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• Unable to use OpenGL or install nVidia driver on openSUSE 12.2

  - by djechelon

  I have an ASUS N76VZ laptop with 12.2 openSUSE and GeForce GT650M card. I found that KDE doesn't allow me to use OpenGL rendering. I tried to install nVidia's driver from script but once it writes the xorg.conf file I'm unable to boot desktop. I have the following errors in system log Oct 30 08:28:13 RAYNOR kdm[2727]: X server died during startup Oct 30 08:28:13 RAYNOR kdm[2727]: X server for display :0 cannot be started, session disabled I noticed that the /etc/X11/xorg.conf backup file was empty, so I renamed the new xorg.conf and left none: the desktop booted!!! How can I fix OpenGL rendering with or without driver installation? [Update]: Xorg.0.log says [ 1434.207] compiled for 4.0.2, module version = 1.0.0 [ 1434.207] Module class: X.Org Server Extension [ 1434.207] (II) NVIDIA GLX Module 304.60 Sun Oct 14 20:44:54 PDT 2012 [ 1434.207] (II) Loading extension GLX [ 1434.207] (II) LoadModule: "record" [ 1434.207] (II) Loading /usr/lib64/xorg/modules/extensions/librecord.so [ 1434.207] (II) Module record: vendor="X.Org Foundation" [ 1434.207] compiled for 1.12.3, module version = 1.13.0 [ 1434.207] Module class: X.Org Server Extension [ 1434.207] ABI class: X.Org Server Extension, version 6.0 [ 1434.207] (II) Loading extension RECORD [ 1434.207] (II) LoadModule: "dri" [ 1434.207] (II) Loading /usr/lib64/xorg/modules/extensions/libdri.so [ 1434.207] (II) Module dri: vendor="X.Org Foundation" [ 1434.207] compiled for 1.12.3, module version = 1.0.0 [ 1434.207] ABI class: X.Org Server Extension, version 6.0 [ 1434.207] (II) Loading extension XFree86-DRI [ 1434.207] (II) LoadModule: "nvidia" [ 1434.208] (II) Loading /usr/lib64/xorg/modules/drivers/nvidia_drv.so [ 1434.208] (II) Module nvidia: vendor="NVIDIA Corporation" [ 1434.208] compiled for 4.0.2, module version = 1.0.0 [ 1434.208] Module class: X.Org Video Driver [ 1434.208] (II) NVIDIA dlloader X Driver 304.60 Sun Oct 14 20:24:42 PDT 2012 [ 1434.208] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs [ 1434.208] (++) using VT number 8 [ 1434.320] (EE) No devices detected. [ 1434.320] Fatal server error: [ 1434.320] no screens found [ 1434.320] Please consult the The X.Org Foundation support at http://wiki.x.org for help.

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• Hardware issue: computer plays beep sounds at startup, and then turns off

  - by Darkkurama

  Turns out that after moving, my computer got damaged somehow. I installed my computer 2 days ago. I didn't check the state of the hardware parts and turned the pc on recklessly, not realizing that the cpu fan was dettached from the cpu. After this I reattached the fan. The computer worked kind of faulty after that, because at the time of startup, it would play a long beep (different from the normal beep) and won't display anything. I tried restarting after this incident and it got fixed (don't know how, but it did), and I was even able to play some videogames for some hours (more than 5). This morning I tried to get this issue sorted out by checking again the cpu and in general, the connections, and for my surprise, at the time of turning it on again, the computer wouldn't boot at all. I reapplied some thermal paste to the cpu and fan, but got no results (I did this because the old paste was very badly distributted along the surface of both cpu and fan). Now every time I turn it on, the computer acts randomly: sometimes at startup, it plays a long continous beep and then turns off. one time it played a long continous beep and got to the windows password input screen, but then it turned off More frequently, I turn it on and after some seconds, it turns off without any sound. You can check this video I recorded, which features how the computer behaves most of the time Another one I tried troubleshoting it myself by disconnecting my graphic card, rams, HDD and even the cpu and its fan with no result. Computer specs: Intel Core 2 Quad Q6600 processor, Nvidia xfx gtx 260 black edition, 4 GB ram, 500 GB hard drive, Windows 7 64 bit

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• Desktop PC does not power up on power button

  - by hIpPy

  When I press the power button on my desktop, it does not power up completely. Before I press the power button, I see lights on the motherboard. Everything is normal. On power button press, the fans on the cpu, graphics card and motherboard start to spin a little for a second or two and then they stop. No beeps during this process. It has been doing this for a while now but it used to start up after some trials. Once it starts up, I have NO issues at all like random shutdowns so it is not an issue with OS. I'm just guessing here but it seems as if the PSU (Antec TP2-550ATX) is dying out and does not have enough power now - just a guess. It's an old desktop assembled in 2005 but I have maintained it well. Any ideas? Please help. Thanks. Below is the complete configuration. DFI LAN-Party UT NF4 Ultra-D 6/23 {6.70}, Evercool EC-VC-RE 41/47C, AMD Opteron 170 2.0GHz {1.3.2.16} 1.312V 36/41C, ThermalRight SI-120, Panaflo 120×38mm OCZ Platinum 2×1GB 200MHz 2.66V 3-3-2-7 1T XFX 7800GTX 256MB 475/1250MHz {91.31}, Zalman VF900 Cu led 41/56C WD Caviar 320GB 7200RPM 16MB SATA 3Gb/s Antec TP2-550ATX Antec P180 WinXP sp2 KB896256 Logitech MX310 Razer Mantis Speed BenQ FP91G+ 19" LCD 8ms DVI Creative Audigy2 ZS {4.42} BenQ DW1640 Logitech z-5300e 5.1 280W Legend: Driver versions: {} User settings: [] Voltage: V Wattage: W Temperature: C (Celsius) min/max

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• HP G61 Laptop wont boot- display stays off, caps and num lock indicators blink repeatedly

  - by Benguy12

  I had my HP G61 laptop running in sleep for a while. When I came back to it about a half-hour later, it was no longer in sleep mode - the power light and the Wi-Fi indicator light were on (I keep Wi-Fi off becuase I use a wired connection) - but nothing was showing on screen. In fact, the display wasn't even turned on. So I let it sit for about 10 minutes but nothing happened. I did a force shut down and rebooted. Instead of a normal boot, the display didnt turn on, the Wi-Fi indicator was off, and the Caps Lock and Num Lock lights just blinked repeatedly. On the external keyboard i use, none of the light indicators were blinking or even on. I tried force shut-down again 10 times, then unplugged all connections except for the power cable (my laptop battery dosent hold a charge for more than 2 minutes, so I always must have a wall connection) and tried to boot again but still nothing happened. I unplugged the battery and even then nothing happened. I also tried booting with the disk drive open, and then with it closed again. On the time it was closed, I was able to successfully boot into Windows, but recieved a "Windows did not shut-down sucessfully" notice. Does anybody know why this may have happened? My PC's specs: Windows 7 Home Premium, 64-bit 4GB of physical RAM, 8GB of vRAM (on a flash drive) AMD Vision x64 processor (don't know any other specs about it) ATI Radeon graphics card, 392 MB DVD-R/W lightscribe drive 2 External hard-disks (first one is 1.5TB, second one is 1TB) custom boot-screen and boot-annimation Standard BIOS apps running before sleep: firefox 10.4 itunes 10.6 adobe photoshop extended CS5.1 rockstar games social club (running in background) microsoft powerpoint 2010 professional edition google chrome I was NOT running Aero or any fancy themes - I was using the normal windows classic theme. I have a desktop icon manager application called Stardock Fences that was also running (it runs as a service/process).

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• Wireless to Wireless Transfer Slow on a Linksys WRT54GL

  - by Kyle Brandt

  The Situation: When I try to transfer a file from one computer to another that are both connected via wireless on a WRT54GL (in a office) with dd-wrt firmware I often get bad speeds. In generally they average around 100 kilobytes a second. Either computer can download via wireless from the Internet at at about 2 megabytes a second. The speed is slow with the transfer of one large file. There are about 20 other wireless networks that the computers can see, so there is a lot of noise, but I don't have the equipment to really monitor the frequencies well. But that still seems pretty slow. I thought maybe it was the transmit on each card, but even when they are 5 feet away with a line of sight I still get these speeds. According to Linux both cards are operating at 54g. My Questions: Is this normal for this sort of consumer level wireless equipment? Anything I can do to improve it? why is wireless to wireless transfer slow when everything else isn't? Whats steps might I take to figure out what is happening? For example, are lots of packets not making to the access point requiring retransmissions? Above all, I want to find out what the problem actually is. This may seem odd, but at this point I am more interested in understanding what the problem is than fixing it. What I have tried: I have tried messing with lots of settings. Different channels, xmit power, G-Only, none of which has made anything any better. I've also tried upgrading to newer dd-wrt firmware version and doing a reset to wipe out the settings.

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• No audio in my ubuntu system

  - by hap497

  Hi, I am running ubuntu 9.10. But there is no sound in my environment. When I go to System-Preference, there is no 'sound' entry there. $ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: I82801AAICH [Intel 82801AA-ICH], device 0: Intel ICH [Intel 82801AA-ICH] Subdevices: 1/1 Subdevice #0: subdevice #0 $ lsmod Module Size Used by usb_storage 52576 3 binfmt_misc 8356 1 vboxvfs 34620 0 vboxvideo 1884 1 drm 159584 2 vboxvideo agpgart 34988 1 drm snd_intel8x0 30168 2 snd_ac97_codec 101216 1 snd_intel8x0 ac97_bus 1532 1 snd_ac97_codec snd_pcm_oss 37920 0 snd_mixer_oss 16028 1 snd_pcm_oss snd_pcm 75296 3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss snd_seq_dummy 2656 0 snd_seq_oss 28576 0 iptable_filter 3100 0 snd_seq_midi 6432 0 ip_tables 11692 1 iptable_filter x_tables 16544 1 ip_tables snd_rawmidi 22208 1 snd_seq_midi snd_seq_midi_event 6940 2 snd_seq_oss,snd_seq_midi ppdev 6688 0 snd_seq 50224 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_mid i_event snd_timer 22276 2 snd_pcm,snd_seq snd_seq_device 6920 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi ,snd_seq psmouse 56500 0 serio_raw 5280 0 snd 59204 14 snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_ oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_ti mer,snd_seq_device i2c_piix4 9932 0 parport_pc 31940 0 soundcore 7264 1 snd snd_page_alloc 9156 2 snd_intel8x0,snd_pcm vboxguest 143836 7 vboxvfs lp 8964 0 parport 35340 3 ppdev,parport_pc,lp pcnet32 32644 0 mii 5212 1 pcnet32 floppy 54916 0 ~:987:2$ lspci 00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02) 00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II] 00:01.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01) 00:02.0 VGA compatible controller: InnoTek Systemberatung GmbH VirtualBox Graphics Adapter 00:03.0 Ethernet controller: Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE] (rev 40) 00:04.0 System peripheral: InnoTek Systemberatung GmbH VirtualBox Guest Service 00:05.0 Multimedia audio controller: Intel Corporation 82801AA AC'97 Audio Controller (rev 01) 00:06.0 USB Controller: Apple Computer Inc. KeyLargo/Intrepid USB 00:07.0 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 0 00:0b.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller ~:988:3$

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• how would it be possible to discover a cable modem's MAC remotely?

  - by amateurenthusiast

  i was reading the back archives of a canadian privacy law blog, and he linked to a judicial decision. apparently as part of an investigation in which were used yahoo chat and google's old 'hello' image trading program the officer was able to determine a suspect's modem's MAC address: In order to determine who STEPHTOSH was, the officer did a trace on a programme called WHO IS in an effort to learn from where STEPHTOSH was coming. WHO IS is a command program available to the public. The officer was able to ascertain that the person using the name STEPHTOSH was a Rogers Internet customer. The officer was able to obtain the Internet Protocol address, also known as the I.P. There is only one location for an I.P., which is unique to that subscriber. By use of the website known as DNS STUFF.com, one is able to find with which company this I.P. is registered. It was ascertained that the I.P. address used by STEPHTOSH was registered to Rogers Cable, from the Toronto area. The officer also learned the Cable Modem MAC address used by STEPHTOSH. This was all the information the officer was able to amass. now it was my understanding that the MAC address of any given device can only be accessed if you're only one 'hop' away on the Internet. the suspect in question was in Markham and the officer part of the Toronto Police, so it's conceivable that they both might have used Rogers internet. but would that still put them only one 'hop' away from each other? i thought the first hop after the modem was usually the ISP? and if he'd used a netBIOS query against this guy's machine it would return the ethernet card's MAC, not the modem's. so is this guy on the same rogers subnet as the suspect's cable modem, is that functionality part of google's Hello (i could only think that it would be possible if Hello operated as a virtual LAN or something), does the officer have remote access to the arp caches of the routers at Rogers or is he just full of crap and lying to make his case stronger?

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• Can't connect to MySQL on CentOS 5 Error 13 - Permission Denied

  - by abszero

  Ok, I have an install of CentOS 5 running as a GuestOS in VirtualBox. The network card for the Cent box is bridged with that of my host OS so that the boxes can see each other. Cent has an IP of 192.168.1.108 and my Host box has an IP of .104. Everything, with regard to networking, seems to be working properly as I can access the Drupal install that is on the Cent box from a web browser on my host box by navigating to http://192.168.1.108 however when I try to configure the database for Drupal through the Drupal install interface I am getting the Can't connect to MySQL error. First I thought this might of been a Firewall issue so I stopped iptables but that had no effect. I thought maybe the user I had setup did not have access to the server so I tried root and that did not work. Searching on the net said that I needed to provide a bind-address parameter to my.cnf so I did that with no change. (As a side note the length of my my.cnf file was MUCH shorter than the ones presented online. In fact under mysqld all I have are datadir, socket, user, and bind-address. Is this normal or should the file be more verbose?) After a few hours of messing with permissions and such I tried using 'localhost' as the value for the database server, from my HOST OS, and the Drupal install kicked off without a problem. So while my issue is resolved I am curious as to why 'localhost' works and why 192.168.1.108 did not? Is there something i need to do to specifically access the MySQL box via the aforementioned IP? Thanks.

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• linux keeps disconnecting from wireless network

  - by Matteo Ceccarello

  I'm running Arch Linux on an Acer laptop and my wirless connection doesn't stay up. After a while it disconnects, and when I try to reconnect I get stuck with a "Waiting for authorization" message. I have to retry several times before getting the connection stay up for few minutes. This happens with both networkmanager and wicd. The strange thing is that the iMac that sits next to the laptop connects fine, and when I use my laptop within the university wireless network it works normally. How can I solve this problem? EDIT: I've tried to connect manually following the steps iwlist wlan0 scan wpa_supplicant -i wlan0 -c /etc/wpa_supplicant.conf dhcpcd wlan0 and it works, I can ping google. However, looking to wpa supplicant output I see that it keeps connecting and disconnecting. I'm using WPA2, and this seems to be a problem in authentication. EDIT 2: as pointed out in the answers I forgot to mention my hardware/software specifications: kernel: Linux 3.0-ARCH wireless card: # lspci | grep -i net 07:00.0 Network controller: Intel Corporation WiFi Link 5100 module used # lsmod | grep -i 80211 mac80211 216021 1 iwlagn I use a Netgear DGN1000 modem/router My dmseg output is shown here http://pastebin.com/8Tf7iage

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• I can play "test" sounds, but no other audio works

  - by Callum

  I'm running Windows XP, and last night my PC was infected by a frustrating virus (one of those viruses that won't let you open virus checkers, etc). I finally killed it 2 hours later, but it involved some heavy duty anti-dote. One side effect is my audio is now gone. Except it's not entirely gone, because when I open the Realtek HD Audio Manager in the task bar, I can play all the "test" sounds. The speakers, the sound card, etc, are therefore working fine. But things like YouTube or Windows Media Player, there's no sound. I'm guessing there's a setting that needs to be reconfigured somewhere.. but where? Maybe relevant: One thing I did do last night was "play" with the system registry. Any help would be greatly appreciated. Thanks. SOLVED! The two hour battle with my computer virus resulted in my computer permanently thinking it was in Safe Mode, regardless of how it booted up. I was able to "fix" this by following the post by hsandler in this thread: http://www.petri.co.il/forums/showthread.php?t=23032&page=2 I then rebooted.. and let me tell you, the Windows Startup music has never sounded so sweet. Thanks to all, especially James, whose advice gave me a major clue as to what the problem was.

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• I receive email not addressed to me - virus?

  - by Anne

  Every once in a while I receive email (on Gmail) that isn't addressed to me. Gmail puts it in the spam box, because it 'can't verify that it has been sent by [sender]'. The emails, when opened, contain confidential information about deliveries and paid bills (it does look an awful lot like 'real' mail from well-known companies, and it doesn't look like a scam, since the mail is informative - they give information instead of asking for credit card numbers ;-)), and I even got an email from "Facebook" that I requested a password change and that I have to 'click here' to change the password for [email address that isn't mine]. I am not the only addressee, there seems to be a whole list of Gmail addresses beginning with 'a'. The original addressee obviously has some sort of virus, and now I wonder if this could be a risk for me too. Is my email being sent around without my knowing too? I am not the kind of person who randomly clicks on shady links - I am very careful on the internet - but maybe there are other ways of catching viruses? Is there something I should do/check? Thank you for your help!

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• Convert a cassette tape recording to digital format

  - by Optimal Solutions

  Has anyone been successful with transferring audio cassette tape recordings to a digital format? I would like to preserve old cassette tape recordings of my grandparents to some digital format: MP3, WAV, etc... The quality of the tapes are mediocre. I think I can handle the quality restoration but getting the audio from tape to digital is my question. Below is a list of the hardware that I can work with: Cassette Deck: I have a Technics stereo cassette deck model RS-B12. It has separate left and right IN and OUT RCA type jacks on the back. In the front it has a headphone phono jack, plus left and right mic input phono jacks. On the computer side: -I have a Windows Vista PC with no additional software other than what came with the machine from Costco. No sound editing software that I can see. There is no sound card on the PC. On the front panel there is a mini-phono mic input jack and there are several different types of in/out mini-phono jacks on the back. In addition, USB and Firewire. I also have access to a new (2009) iMac with a mini-phono input jack for a powered mic or other audio source and GarageBand that has come with the computer. In addition, USB and Firewire. What are my options for getting these cassette recordings into a digital format? Whats the best format? What sort of wires would I need and will I want to utilize the USB or Firewire or can I simply use the audio inputs on the PC (or Mac) to receive the audio stream?

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• Is Gmail Being Blocked by my ISP (wait till you read this)?

  - by James

  This is the strangest thing I have ever encountered. I have a desktop on which I cannot access Gmail and also youtube sign in (I believe since youtube is owned by google they both use the same sign in system). So okay, maybe my ISP is blocking these for some reason or maybe my firewall is, or maybe there is something wrong with my connectivity, right? NO. On other computers that uses the same connection via a wireless router I can access both gmail and youtube sign in just fine. On this computer which doesn't have a wireless card and so I have to connect via Ethernet cable (connected to a USB converter since the Ethernet port doesn't work anymore) I can access all sites and services including things like aol and hotmail. But only when it comes to gmail, do I get complete and utter throttling. I even turned off my AV ad Firewall momentarily and no luck. The gmail ages starts to load and by mid point it just stays there loading and loading and loading... never ends. I tried everything, I reset the modem and router multiple times. I reinstalled my operating system from a vista to a windows 7 hoping a complete reinstall would solve the issue, but no luck. So can anyone for the life of them figure out why this could be? And yes, I am going to call my ISP but not to solve this issue, but to cancel them. I want to upgrade to cabel from DSL anyway. I didn't mention my ISP because I'm not sure if that is within the rules (if it's okay some one let me know and I will). P.S. All this happened one day, before gmail was perfectly accessible in this computer. I can't remember anything special that happened on that day prior to this. The only thing I can think of is, my ISP or Google itself is blocking this computer based on it's mac address, but I don't know if that's even done. Additional info: PC: Windows 7 Ultimate 32 bit Connection Type: DSL Connecting Medium: Ethernet cable via USB converter

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• Finding useful crash-information in Windows 8 Consumer Preview

  - by Lukas Knuth

  I'm currently diving into C# and wanted to play around with the new Metro-styled-applications introduced with Windows 8, so I updated my Windows 7 to Windows 8 Consumer Preview. The problem I'm facing right now is, that the system freezes after 3-5 minutes. It does not take any input from the keyboard or mouse and it does not recover (at least not in less then 10 minutes). Since I have a background in Linux, I'd like to find some information about the cause of the freeze, but I have no idea where to search. I checked the system-logs (under "System Control" - "Management") but they only record that the system was shut down unexpectedly (doe to the face that I held down the power-button to reboot the PC). There is no useful crash-information in there. I don't want to spend hours on randomly reinstalling drivers and doing things that "might help". Isn't there any place I can find some useful information about the freeze? Before you ask: I installed Windows 8 as an updated on my old Windows 7 installation (which worked fine by the way). My hardware fits the minimum requirements (specs can be found here, the MacMini 3,1 model with 2GHz processor). I have updated the graphics-card drivers to the newest Windows 8 drivers from nVidia.

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• 13" MacBook Pro with Win 7 and External VGA gets 640x480

  - by Jim McKeeth

  I have a brand new 13" MacBook Pro - 2.26 GHz and the NVIDIA 9400M Video card. I installed Windows 7 (final) in boot camp and booted up to Windows 7. Installed all the drivers from the Apple disk and it was working great. Then I attached the external VGA adapter (from apple) to connect to a projector and it dropped down at 640x480 resolution. No matter what I did it wouldn't let me change to a higher resolution if the external VGA was connected. Once it disconnects then it goes back to the normal resolution. If I am booted into Snow Leopard it works fine. I tried updating the NVIDIA drivers and it behaved exactly the same. Ultimately I want to get 1024x768 or better resolution when connected to an external display. If it isn't fixable then I am curious if anyone else has seen this, if it is a known issue, and who to contact for support (Apple, Microsoft or NVIDIA?) Update: Just attaching the Mini-DVI to VGA adapter kicks it into 640x480, no projector is required. I tried forcing the display driver from Generic PnP Monitor to one that supported 1024x768 and that didn't work either.

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• No video signal at boot with custom built computer

  - by Bart Pelle

  After booting my custom built computer, neither the VGA nor the HDMI methods from the video card seem to emit any signal to the display. I have tested both a regular VGA screen and a modern HDMI screen. Both did not receive signal. Below are the specifications from my computer build: Intel Core i5 3350P ASRock B75 Pro 3-M Seagate Barracuda 7200.14 ST1000 DM003 1000GB Corsair Vengeance LP CML 8GX 3M2 A1600 CGB Blue (2 cards) Cooler Master B Series B600 Club 3D Radeon HD7870 XT Jokercard Samsung SH-224 BB Black Sharkoon T28 Case The motherboard does not emit any beeps on startup. The CD tray opens properly and all fans spin. All cables are properly connected. All components are new and no damage was found on any of the components. The fans on the GPU spin aswell. The VGA test we did was by using the onboard graphics from the Intel i5, but this gave no result. The HDMI test was from the GPU which did not emit any signal either. We have not been able to test out the DVI, could this be important to test, even though all the other methods did not work? Thank you for your time and hopefully reply.

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• What can I do to prevent system power downs?

  - by Joe King

  Yesterday I was given my brother's old laptop - core i7, 2.67GHz, 8GB RAM, 128GB SSD, Win7 64 bit. It's a Sony Vaio Z11. Approx 18 months old. When running something computationally intensive, the fan starts up and after about 30 secs it just powers itself down with no warning. I guess it is overheating. There is nothing in the event logs to suggest what is causing it - the only thing I see is "the last system shutdown was unexpected" or something similar. This is a problem for me because I use a lot of number crunching apps, which pretty much makes it useless to me. I would like to know if there is anything I can do, other than the obvious things I've done already - open up and clean out dust, re-install the OS. According to my brother, this problem started about 6 months ago when it was already outside warranty. If it's just used for simple things - web browsing, word processing etc, the problem does not occur. Any ideas for what I can do to fix this ? Update: I found that the laptop has 2 hardware settings for graphics: Speed and Stamina - the Speed setting seems to use an nvidia GEforce GT 330M, while the Stamina setting uses an Intel chipset. With the setting on Speed, I can hear the fan the whole time, and the system powers down after a short while (5-10 mins) even just doing basic tasks (browsing this site for example), but doesn't shut down if I just leave it switched on. In this mode it also sometimes just freezes the screen and I have to power off myself. However on Stamina setting it only powers down when doing number crunching and never freezes the screen.

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• In an environment with multiple WiFi access points, do wireless clients sometimes connect to both at the same time?

  - by Bobby Burgess

  This is more of a curiosity than a problem, but in this new office I have two D-link DAP-2553's connected in a master/slave array (this just means the master keeps certain configuration options aligned with the slave). The network is set to 802.11n-only, and each AP has the same SSID and WPA2 key. The only difference is that they are on different channels (1 and 11). The WiFi network itself is working well. Users can roam around and the signal/speed is fairly consistent. However, I notice that when I look at the 802.11 client list in the web admin page for each of the 2 APs, I see that certain clients are connected to both, for extended periods of time, but I assume they are only passing data through one of them. Not every client is seen on each AP, but at any given time the same MAC address of a WiFi adapter can be associated (and remain associated) with both APs. The client list auto-refreshes every few seconds so I believe I'm looking at the most recent rather than stale information. One of the WiFi adapters that consistently associates with both APs is an Intel Centrino Wireless-N 1030 (laptop chip). Is it part of the WiFi standard that more than one association per WiFi card can be established concurrently on separate APS?

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• my X server doesn't load a module called "glx", but my video drivers seem to be installed

  - by rumtscho

  I just got a new, very wide monitor (2560x1440) and there is no sense maximizing my applications. So I installed Compiz Config Settings Manager and enabled Grid. Nothing happened, the shortcuts don't move application windows. Went to System - Preferences - Appearance, the Visual effects tab. It at "disabled". When I try to set them to "normal" or "extra", a message box appears telling me that it's searching for video drivers, then disappears, and I get an error message "Desktop effects could not be enabled". I opened Xorg.0.log, and had errors there: (EE) Failed to load /usr/lib/xorg/modules/extensions//libglx.so (II) UnloadModule: "glx" (EE) Failed to load module "glx" (loader failed, 7) (II) LoadModule: "extmod" Going to Administration - System - Hardware drivers, it said that there are no available and/or installed hardware drivers. But apt-get said that it cannot install nvidia-glx-185, as it is already installed. Googling my error message suggested that I install and run something called envyng. This let me install the nvidia drivers again, and now I can see in the Hardware Drivers window that they are installed and active. But the error message in Xorg.0.log remains, and I still cannot enable the Compiz effects or use Grid. Now, I don't have enough Linux experience to understand if this is a single cause-effect-chain of problems, or three independent ones, but I'd appreciate help for any of them. I am running Ubuntu 9.10, the video card is a GeForce 7600GS.

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• Server freezes while installing Redhat Enterprise Linux Server 6

  - by eisaacson

  We've tried both the first options Install or upgrade an existing system Install system with basic video driver When trying option #1, it gets to a screen that has a solid cursor about halfway down, then freezes. When trying option #2, it freezes at the point where it says: Waiting for hardware to initialize... Of course, we bought the unsupported version and haven't found anything to help us so far. Here are the specs to the server in the original post: ASUS P8Z68-M Pro LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard with UEFI BIOS RAIDMAX Reiter ATX-305WBP Black Steel / Plastic ATX Mid Tower Computer Case 450W Power Supply Intel Core i7-2600 Sandy Bridge 3.4GHz (3.8GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor Intel HD Graphics 2000 BX80623I72600 16GB Ram OCZ Agility 3 SSD 120GB From some of the posts out there could the UEFI Bios or the Sandy Bridge processor be a culprit here? We just tried the DVD on a different computer and it got past that point with ease. It's a standard Dell build compared to our custom machine. Could it be having difficulty recognizing drivers? How do we get past that?

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• Stop the constant random reboots of my GIGABYTE GA-B75M-D3V

  - by Frederic

  I've got some issues with a new system. It's rebooting constantly. The system consists of a: brand new: Gigabyte GA-B75M-D3V with F9 BIOS (latest) Intel Core i5-3470 Ivy Bridge 2x 8GB G.SKILL Ripjaws 1600MHz memory (mem-tested x-86) coming from a stable system: Creative Soundcard X-FI Titanium Asus Radeon HD4850 OCZ Vertex 3 120G SSD Sata 3 Hard disk 1TB Sata 2 ASUS Blu-ray Drive PSU 400w Connected peripherals : Toshiba tv (displayport on dvi of MB or HD4850) Wired mouse, wireless keyboard (logitech) Bluetooth usb key Azio main problem : it's not possible to read the errors from the MB. nothing on the manual neither on internet. At the beginning, I received a MB with graphic problems and the problem of rebooting. I RMA'd it. The new one doesn't have any graphic problems. but it's still constantly rebooting. I removed everything except the HD, the sound-card, the blu-ray drive and the wireless keyboard. It's still unexpectdly rebooting. I'm running a test with just the motherboard and the HD. I will update this text after the test. I've got some questions : Somebody have an idea of a test? The PSU could cause that problem? I used it a lot of years with the stable system. Update 1: BTW, if anyone has the same problem, the manual won't say it but you'll need to reset the bios between two tests (the screwdriver on the two pins) if you suspect a problem of compatibility .

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• OC'ing a Sapphire 7950, problems with memory clock

  - by Cliff

  I bought a new rig with sapphire radeon 7950 flex w/ boost. Good scores initially in 3dmark 11, around 7300 stock. Problem is, as soon as i start overclocking, issues arise. the core clock is at 860, but rises to 925 with boost applied in pressured situations. So all the OC tools are showing 925 as base clock for some reason. Ocing the core clock has been no problem though, got up to 1200 pretty stable, but only an incremental increase in 3dmark 11, to 7600 from 7300, which is worrying. The real trouble starts when i start touching the memory clock. As soon as i touch it even by 1 point up to 1251mhz, the performance goes way down. suddenly i score under 5000 graphics in 3dmark11, no matter if its 1251hz or 1500hz. Ive tried adjusting every other parameter, different tools (sapphiretrixx, catalyst, afterburner) all still the same. Tried upping the power, still same. Where is the issue here?

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• Build suggestion for mini itx server [on hold]

  - by Spyros

  I am looking to create a home server and since there does not seem to be a nice ready made one to purchase, i thought of building a mini itx one. I am not familiar with the best hardware/case to pick and therefore i thought i would ask for your experience. I will most probably install a simple linux distro, probably Debian and most probably without a desktop environment as well. Therefore, I am not looking for the best graphics card, though a decent one is preferred for sure. I would say that the most important thing is that the case/hardware play well with each other and the machine has decent specs ( i think something like 8gb RAM and 1TB hdd is most probably my most important things). I understand that this question can be closed as subjective, but it would be a great help for me if some of you guys who have been doing a similar build, can suggest something. I tried to find a stack exchange variant for the question, but it seems that this one more closely relates to the subject. But I will definitely understand it if people close it due to being subjective in nature. If you can maybe move it somewhere or so, please feel free to do so. Thank you for your time :)

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• What laptop would be recommended for video-editing or transcoding to blu-ray?

  - by Rob

  I'm looking for a machine (has to be a laptop) reasonably fast enough to handle editing/transcoding/rendering to Blu-ray disc of full true HD 1080p (1920x1080) video from a Samsung R10 camcorder - MPEG4 25fps (not the Sony-Panasonic AVCHD format): To be able to browse through the footage (say, quarter screen is fine for monitoring) and do simple edits - cut out bad bits, add titles, fades, nothing too fancy To be able to burn the footage in 1920x1080p 24p (twenty-four) fps to blu-ray, probably don't mind if I have to leave it for a few hours, or even overnight, as long as its not still running in the morning or takes days. I ALREADY have an external USB 2.0 LG BE06LU10 blu-ray burner. Does quad core make much difference? Or would Dual-core suffice for the above? NVidia because of CUDA for increased speed. What software today can take advantage of this? Which graphics card do I need? So far I've found Dell/Alienware to be well-specified, having a 5yr old Dell laptop that still runs well, albeit slow by today's standards, gives me a good impression. My concerns are too much fan-noise and budget and some Dell Precision Laptops exceed 1500 pounds. Thoughts?

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• Recommended open-source firmware for ASUS RT-N16

  - by MasterF

  I have recently acquired an ASUS RT-N16 router. My original plan for it was to install Tomato on it. However, after checking their website i found out that the firmware was not updated in the last 2 years. There seem to be a few updated mods but none of them really seemed mature/stable/well-documented. I would like to know what other people recommend as open-source firmware for this router. I know the answers will probably be subjective; so i will give a bit of background on my needs: for now i will only use the Wi-Fi on an Android phone the connection will not be shared with anyone (so QOS is optional) i want a stable (wired) connection on my PC (for online gaming etc.) i want the (wired) download/upload speeds to be as close as possible to those achieved by directly plugging the Ethernet cable to the PC's network card; i have a 100 Mbps connection my ISP uses PPPOE my technical level: i am a software developer and i have good knowledge of bash scripting, but no experience with networking Also, i know that i could probably just use the stock firmware (and maybe will use it for a while), but i'm interested in trying an open-source version (for more features, flexibility, as a learning exercise etc.)

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