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• Computer won't start unless power is removed for ~5 minutes

  - by Paul Tarjan

  I have a fairly standard 2-year old desktop computer (quad-core intel, single hard drive, decent video card, 300W power supply) which recently started acting up. I'm not sure what the cause is, so hopefully you can help. Sometimes (once a week-ish) I press the power button and nothing happens. No blinking, no sounds, no nothing. If I remove the power cord (or flip the switch on the power supply) I hear a capacitor discharge. If I leave it in the "no power at all" state for about 5 minutes then I can put the plug back in and the computer works perfectly. What is the issue? What do you think I have to replace?

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• Best motherboard power supply combo for backblaze server

  - by jin14

  Building a backblaze server as described in this article. http://blog.backblaze.com/ So 45 hard drives in one box. I'm making it a MSDPM 2010 server so I actually don't even need raid cards in there as MSDPM will figure out how to use all of the hard drives on it's own. So need to know what motherboard, CPU, power supply I should get. Primary hard drive : SSD 128GB Storage : 45 1.5GB sata drives OS : windows 2008 Backup software : Microsoft System center Data protection server 2010 Need to know Which mother board to buy which will support 45 SATA hard drives. Don't need a raid card. Which power supply can power all 45 hard drives, 1 ssd drive, motherboard. Best set of equipment that meets my needs wins

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• Screen tearing with GeForce 550 Ti

  - by Konair0s

  Recently I switched to the new monitor and graphic card - DELL U2312HM and GeForce GTX 550 Ti. I have problems with screen tearing (like in this picture from Wikipedia). Usually it is somewhere in upper part of the screen. Mainly happens in videos (in flash videos tearing heavier). In games all fine, except in-game videos (sometimes even videos built on game engine), but gameplay itself is clear, even in very fast actions. Connection with DVI. Problems both in Linux (Debian GNU/Linux, openSUSE 12.1, Linux Mint 13) and Windows (Windows XP, Windows 7), with various driver versions. 1920x1080, 60Mhz. How can I resolve this?

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• Why did my laptop turn off?

  - by darenw

  Normally I can slip my running laptop into a backpack, go somewhere, and if it's no more than about half an hour later, it'll still be running. At the destination I plug in the AC power unit and all is well. I run it off of the AC unit before and after the trip, have the screen at less than full backlight brightness, and don't have any peripherals that burn power. Sometimes the wireless switch accidentally slides in the backpack, and that causes extra power to be used and the laptop dies before I reach the destination. Sad, but so be it. But sometimes the wireless switch is off, I've reached the destination in less than 30 minutes (typically 10-20 min), and I know the battery was fully charged, yet the machine is off. Is there a way to determine, after the fact, why the machine shut itself off? I'm running Linux on a fairly powerful Gateway with 4GB RAM, fancy nvidia graphics, dual core cpu, chosen more for number crunching power than battery life, but should last easily for half an hour if not an hour.

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• Laptop VGA Output Stopped Working

  - by Jack7890

  I regularly use an external monitor with my laptop. Today, when I booted up, the external monitor refused to work--it just keeps going into power save mode. I tried a different external monitor and had the same problem, so it must be a problem with the laptop itself. Things I've tried: Going into the Display Settings via the Control Panel (I'm running Vista) and attaching/unattaching/reattaching the external monitor. Turning the computer off, unplugging, plugging it back in, and rebooting Blowing into the VGA out to get rid of any dust Toggling through the Fn+F7 options I'm thinking maybe this is an issue with my video card? If necessary, I'm comfortable opening up my laptop and playing around with things, but I'm not sure what to look for. Does anyone have any suggestions?

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• smallest footprint for Web Application server?

  - by edgardodelamanta

  There are times when you need to spare hardware resources (either to keep using legacy hardware, to play the embedded card, or just to be efficient because a large footprint is trashing CPU caches, leading to unacceptable levels of idle-states). In this spirit, some efforts have been made to make 'light' ports of Java or Mono (C# for Linux), and they range in the 80-50 MB (instead of the 100-200 MB). Add a Web server (Apache, IIS, etc.) to the scripting engine and you can happily dive into the GB (IIS + .Net) only to load the tool in memory. Anybody with more modest tools in the specs area?

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• No HDMI audio - Windows 8 - ASUS H81M-PLUS

  - by Paul Wright

  I have an issue with HDMI audio on Windows 8 using an ASUS H81M-PLUS motherboard (without an external GFX card). There are many forum posts advising you to go into playback devices and setting HDMI to be default - I have done this. To eliminate what works and what doesn't work: I have not been able to get sound from my HDTV using HDMI. I have used this HDMI cable with my PS3, so this cable should be fine. I am able to use the HDMI cable in extended mode, so that I have two monitors (including the TV), just no audio. This HDMI cable goes straight from the motherboard to the TV. Below I have included 'Device manager', and 'Playback Devices' (Sound). Device Manager Playback Devices, showing disabled and disconnected devices I am at a loss. I have uninstalled all drivers, and then rebooted and made windows look for the correct ones, made sure the HDMI device was default. Thanks, Paul

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• Suggestions for wireless adapter

  - by Michael Kniskern

  I recently purchased a desktop computer and it did not come with a wireless network card. I am currently using the Belkin Wireless G USB Adapter and it is a very sub par product. It has very slow response times and download speeds with just basic browsing and downloads podcasts through iTunes. Does anyone have a better suggestion for a wireless adapter? Should I go with another USB adapter or one that connects directly into the motherboard? I am current using Windows Vista 64 bit Home Premium.

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• Samsung syncmaster SA300

  - by lee

  I recently bought the above moniter. i am now using the DVI port in the moniter but the picture quality stil seems average like the same when i was using the VGA port. THere hasnt been a noticeable change. I am using the DVI output from my graphics card but i thought the picture quality should be alot more High Def than what it is. im just really disappointed in the out come as was expecting nearly High Def quality from my new moniter but just seems a bit normal. Could i need to change any settings?

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• Hiding monitor from windows, working with it from my app only [closed]

  - by Mikhail

  I need to use a monitor as a "private" device for my special application, I want to use it as a flashlight of a sort and draw special patterns on it in full screen. I don't want this monitor to be recognized by OS (Windows 7) as a monitor. I.e. user should not be able to move mouse to that monitor, or change its resolution, or run screensaver on it or whatever. But I want to be able to interact with it from my application. Monitor is plugged using an HDMI cable to a video card (most probably nVidia). What is the simplest way to do this? All solutions are appreciated, including purchasing additional adapters or simple video cards, or any other special devices.

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• Linux Defualt Startup Display PCI to fix black boot screen

  - by Jonathan

  You heard it all before black screen on boot after perfectly fine install of most linux ubnuntu mint etc distributions (the netbook works fine) It has an Intel N10 integrated graphics chipset. I have actually found that if I plug in an external display then remove it the default screen turns on and my laptop works fine drivers all great - I have tried the screen cycle button fn f7 but doesn't work when no display is plugged in. It also works out all the correct resolutions and no modification of the grub bootloader or creating any xorg configs. So I think my monitor is forcing to a display that doesn't exist. Do you know if there is anyway I can force it to choose a different screen at boot so I can get a login screen? I can use nomodeset on grub but xrandr cant add the damned 1024 600 60 resolution that I need! Ideas guys?

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• Laptop VGA Out Stopped Working

  - by Jack7890

  I regularly use an external monitor with my laptop. Today, when I booted up, the external monitor refused to work--it just keeps going into power save mode. I tried a different external monitor and had the same problem, so it must be a problem with the laptop itself. Things I've tried: Going into the Display Settings via the Control Panel (I'm running Vista) and attaching/unattaching/reattaching the external monitor. Turning the computer off, unplugging, plugging it back in, and rebooting Blowing into the VGA out to get rid of any dust Toggling through the Fn+F7 options I'm thinking maybe this is an issue with my video card? If necessary, I'm comfortable opening up my laptop and playing around with things, but I'm not sure what to look for. Does anyone have any suggestions?

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• HP Proliant DL360 G5 + MSA50 RAID Setup recommendations

  - by JohnRB

  I am running a HP Proliant DL360 2 x 3GHz Xeon 16GB Ram P400 integrated RAID card with 6 x 73GB SAS HDDs running Ubuntu Server 14.04 CLI only. I recently got my hands on a MSA50 SAS Enclosure (10 x SAS HDD bays w/ SAS in/out interface) and wondering what you guys recommended as far as an addon raid controller for one of the pciex slots. I have both slots free Full and Half sizes. Any suggestions are greatly appreciated, I am an I.T. Consultant but have not used these particular units before so I was hoping to hear from someone who has. Thanks!

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• 912 stream processor available in OpenCL

  - by tugrul büyükisik

  I am thinking of assembling this system: AMD CPU (A8-3870 APU which has Radeon HD 6550D inside: 400 stream processors:xxx GFLOPS) nearly 110$ AMD Graphics card: HD 7750 (512 stream processors:819 GFLOPS peak performance) nearly 170$ Appropriate ram (1600MHz bus) Mainboard What GFLOPS level can I reach as a stable mode with using OpenCL and similar programs? Can I use all 912 stream processors at the same time? I am not trying to do a VS question. I need to know what could be better for scientific computing (%75 of the time) and gaming (%25 of the time) because I have a low budget. With "scientific calculations" I mean fluid dynamics/solid state physics simulating; with games I mean those that need openCL and PhysX.

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• Screen flicker -> Severe System Slowdown?

  - by Adam Robinson

  I'm using a Dell D830 laptop, and over the last few weeks it's been developing a very irritating screen flicker problem that leads to the system slowing down almost to the point of unusability. At seemingly random times (no commonality between how long the system has been running, what I was doing, what applications were open, etc.) my screen (I use two external LCD's with the laptop closed in a dock) flickers for a moment, then the system becomes incredibly slow. The screen redraws painfully slowly--almost like what you might expect to see with generic graphics drivers installed--and the entire system is maddeningly unresponsive. The only thing that seems to be able to correct the issue is a restart. I've checked the event logs and nothing out of the ordinary is there, and definitely nothing that's common to all of the events. I'm running XP Pro SP2. Any ideas?

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• "Verifying DMI Pool" hang caused by raid array..

  - by Ling

  Hi Experts, I have a problem, I obtained a new server with 4 hard drives (2 500 gig, 2 two TB), and an adeptec RAID card. I arranged them in two arrays with RAID 1 (500 gigs together as primary and the 2 TB drives for lots of data). When both arrays are configured, the server hangs while booting at message "Verifying DMI Pool", however if I remove the second array from the configuration the server boots fine. I have checked they are both on different channels, I have disabled all other peripherals from the boot menu and ensured the hard drive is #1. I have booted into the linux rescue mode and checked that it is reading both arrays fine. What else could be causing these problems? Thanks

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• Netgear WNR1000 WiFi speed

  - by Kamil Klimek

  I have Netgear WNR1000 150N, Macbook Pro 13" with Broadcom BCM43xx 1.0, Network connection 60mbps When I connect through the cable I easily get around 60mbps. When I go through the WiFi it's capable to get only 32mbps at tops. Any ideas why is that? Is that my router limitation or maybe my WiFi card? If it is routers fault what router would you suggest. Best router would be with usb port for external hard drive. Forgot to add screenshot with connection details: Szybkosc transmisji == Transmission speed

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• How can I take browser screenshots at a higher resolution than my browser supports?

  - by Joshua Carmody

  I need to take a screenshot of a website as it would appear on a very high resolution monitor... say 4000x3000 pixels. My laptop's screen has a native resolution of 1400x768. Basically, I need to simulate having a monitor resolution much higher than my monitor and video card actually supports. I want the screenshot of the site to look pretty much how it does when you hit CTRL MINUS (zoom out) in Firefox repeatedly, but without any loss of pixels due to scaling. How can I do this? Is there some way to use virtual machine software to simulate a super-high-res display? If not, is there some way to open a browser window bigger than the screen, and then capture its contents as a PNG somehow? Anything else that might work?

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• No virtual console on ubuntu 12.10

  - by Buzzzz

  When I try to do a ctr-alt f(1-6) in ubuntu 12.10 I only get a black screen with a blinking cursor but no login prompt. Any ideas on what could be wrong? It is a fresh install of 12.10 using a amd radeon 5850 graphics card. i have tried different things in my /etc/default/grub but at the moment I use the following: # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n 'Simple configuration' GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash vga=normal" #GRUB_CMDLINE_LINUX="vga=0x0376" #RUB_CMDLINE_LINUX_DEFAULT="vga=0x014c" #GRUB_CMDLINE_LINUX="vga=0x014c" #GRUB_GFXPAYLOAD_LINUX=1600x1200x24 # Uncomment to enable BadRAM filtering, modify to suit your needs # This works with Linux (no patch required) and with any kernel that obtains # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...) #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef" # Uncomment to disable graphical terminal (grub-pc only) #GRUB_TERMINAL=console

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• Choose an output audio device different from the default on WMP 11

  - by GetFree

  I like to play my music through a Hi-Fi audio equipment and everything else (like windows sounds, web videos and such) through my default PC speakers. On WIndows XP I had WMP 9 and I could do that with no problems since I can choose what audio device (which sound card) to use, and that selection is for WMP only, which can be different from Windows' default audio device. But now that I have Windows Vista and WMP 11 I cannot longer choose an audio device just for WMP, or at least I can't find a way to do it (the control in the options dialog is no longer there). Was this useful feature really removed from WMP 11? or there is some other way to do it?

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• Unable to connect to network

  - by user33750

  Hey guys, I have a question. I have been having problems connecting a new netbook to my network at home. I have an Asus Eeepc 100HAB. I have tried to run a repair on the connection, uninstalled and re-installed the network card, made sure all of the drivers are up-to-date as well. Two caveats: I have a laptop that I recently switched to a wired connection because it wasn't connecting to the network as well, and the netbook connects to an unsecured network i found just fine, only having a problem getting into my home network. Passwords are correct, and the computer where the connection originates from is working fine as well. Any ideas?

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• Have 3 Monitors Display the same thing? (WinXP)

  - by Drew Tenenbaum

  I have a setup in which there is a Computer running windows XP, with 3 monitors plugged into it, with a "Matrox Millennium P750" Graphics card. What I want is to enable mirroring of ALL THREE MONITORS, meaning I want all the monitors to display the same image. In Matrox Powerdesk, it does not have an option to do this, and I'm pretty sure that Windows XP does not support it nativley. I really should only need some software/drivers, right? What can i do to display the same thing on 3 screens?

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• Issue getting camera emulation to work with Tom G's HttpCamera

  - by user591524

  I am trying to use the android emulator to preview video from webcam. I have used the tom gibara sample code, minus the webbroadcaster (i am instead using VLC streaming via http). So, I have modified the SDK's "CameraPreview" app to use the HttpCamera, but the stream never appears. Debugging through doesn't give me any clues either. I wonder if anything obvious is clear to others? The preview app launches and remains black. Notes: 1) I have updated the original CameraPreview class as described here: http://www.inter-fuser.com/2009/09/live-camera-preview-in-android-emulator.html, but referencing httpCamera instead of socketcamera. 2) I updated Tom's original example to reference "Camera" type instead of deprecated "CameraDevice" type. 3) Below is my CameraPreview.java. 4) THANK YOU package com.example.android.apis.graphics; import android.app.Activity; import android.content.Context; import android.hardware.Camera; import android.os.Bundle; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.Window; import java.io.IOException; import android.graphics.Canvas; // ---------------------------------------------------------------------- public class CameraPreview extends Activity { private Preview mPreview; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Hide the window title. requestWindowFeature(Window.FEATURE_NO_TITLE); // Create our Preview view and set it as the content of our activity. mPreview = new Preview(this); setContentView(mPreview); } } // ---------------------------------------------------------------------- class Preview extends SurfaceView implements SurfaceHolder.Callback { SurfaceHolder mHolder; //Camera mCamera; HttpCamera mCamera;//changed Preview(Context context) { super(context); // Install a SurfaceHolder.Callback so we get notified when the // underlying surface is created and destroyed. mHolder = getHolder(); mHolder.addCallback(this); //mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); mHolder.setType(SurfaceHolder.SURFACE_TYPE_NORMAL);//changed } public void surfaceCreated(SurfaceHolder holder) { // The Surface has been created, acquire the camera and tell it where // to draw. //mCamera = Camera.open(); this.StartCameraPreview(holder); } public void surfaceDestroyed(SurfaceHolder holder) { // Surface will be destroyed when we return, so stop the preview. // Because the CameraDevice object is not a shared resource, it's very // important to release it when the activity is paused. //mCamera.stopPreview();//changed mCamera = null; } public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { // Now that the size is known, set up the camera parameters and begin // the preview. //Camera.Parameters parameters = mCamera.getParameters(); //parameters.setPreviewSize(w, h); //mCamera.setParameters(parameters); //mCamera.startPreview(); this.StartCameraPreview(holder); } private void StartCameraPreview(SurfaceHolder sh) { mCamera = new HttpCamera("10.213.74.247:443", 640, 480, true);//changed try { //mCamera.setPreviewDisplay(holder); Canvas c = sh.lockCanvas(null); mCamera.capture(c); sh.unlockCanvasAndPost(c); } catch (Exception exception) { //mCamera.release(); mCamera = null; // TODO: add more exception handling logic here } } }

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• How to quickly switch monitors on multi-monitor setup? (W7)

  - by Saxtus

  At my desktop PC, I have 3 displays hooked up on my Palit GeForce GTX 480 to extend my desktop: DVI: Samsung SyncMaster T220 (22" 16:10, 1680x1050, as my main) DVI: Samsung SyncMaster 940BF (19" 4:3, 1280x1024) HDMI: Sony Bravia KDL-32D3000 (32" 16:9, 1360x768) As expected, the GFX card can only utilize 2 of the displays at any given time, so I have to manually switch using Windows' "Display Properties" dialog, each time I want to switch between them. I've tried UltraMon, DisplayFusion and PowerStrip (so please don't refer me to a question where those are given as solutions) but they are unable to switch monitors. Instead they can only change display resolutions and settings on the existing active monitors, with specially weird results when I've saved the monitor states and then tried to switch monitors using the saved states! Any idea on how to bypass the awful "Display Properties" dialog and it's "confirm your change" timer? Thanks in advance.

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• Ubuntu Server login not recognizing the keyboard after entering username.

  - by Jeff Malewski

  I'm having similar issues with logging into ubuntu server. chief problem is that once I enter my user name & hit enter, I can't enter anything ffor my password - it won't accept any keystrokes until I press Ctrl+any key. Once I've pressed Ctrl+ any key, I'm able to type again, but have never been able to enter any more than 3 characters before the 60 sec time limit. This problem is present on fresh installs of both 10.04 & 9.10. Part of the problem is lkely to be my antique pc which is an old Emachines Trigems I850 based mbd and an equally ancient Nvidia 4x AGP video card. Initially I was going to install Ubuntu 10.10, but with ORCA running with both screen reader and full screen magnification crashed the system & smoked a stick of Rambus memory. Is there any fix to this problem? Jeff

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