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• Memory works fine separately, but not together

  - by patersonjs

  I've been given four 1GB Corsair DDR2 memory modules, and am trying to fit them into my computer but am getting BSOD on Windows XP and errors in Memtest86+. I've tried to identify if one particular module is faulty by trying them in pairs. They work fine in pairs, but when all four are inserted, Memtest86+ reports errors. The motherboard is an Asus P5N-E with dual channel support and the modules are all the same model (same speed, capacity and timings) but one pair is a different hardware revision. One is v2.1 and the other is v2.2... the voltages are the same too. Would this minor difference be a possible cause of the problem? I've got the BIOS memory timing settings all at AUTO - should I manually set the timings?

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• grub boot failed after upgrading to ubuntu 12.04 LTS

  - by user138021

  no such disk error occured. I tried to format and reinstall 12.04, the problem remained. I also repaired with boot-repair, the problem remained. http://paste.ubuntu.com/1224005/ is url of the details. server is dell R710, the bios is set to uefi and disk is raid0 gpt. I typed commands in grub rescue: ls (hd0, gpt2), `no such partition' is shown set, `prefix=((null),gpt2)/grub' is shown I don't know why /efi/ubuntu/grubx64.efi doesn't recognize disk. another strange thing is that there is only 1 file in /efi/ubuntu

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• USB port not working

  - by sharza

  Everytime I put pendrive in the USB port(all ports in my computer) it doesnt work especially when plug the USB Flash Drive, but after several hours it work again. But When I try to open this pen drive data on other computers, I'm able to open & work ... So definitely there is no problem with my pen drive. and I've enabled USB keyboard & mouse in Bios. I using windows xp and using USB 2.0 Please help ...

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• computer reboots randomly, can't find ssd

  - by John Barry

  My comp's been restarting at random times, and when it comes back the SSD drive can't be found by the BIOS and it doesn't boot. Powering down and starting up again fixes it 90% of the time, with a second reboot occasionally required. Does not seem to be heat related; it's never happened with me actually on the computer. It has happened while acting as the squeezebox server, however. It's a Sandy-Bridge i7 arch if that helps. To add: I've also run Windows Memtest and it came back with no issues.

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• ESXi onboard SATA passthrough [on hold]

  - by lodge93

  I am running ESXi 5.5 on a home system. When I attempt to pass one of the onboard SATA controllers (Intel ICH10R) to a VM, it is successful. However, the controller never appears in the VM. What else am I missing that would cause a VM to not recognize the controller? Additional Info: The controller is set to AHCI mode in the BIOS Prior to setting up the controller for passthrough, ESXi did recognize the controller and the drives I have tried with multiple VMs, none of which recognized the controller or the attached drives I have two onboard SATA controllers, on controller for ESXi and one for passthrough The final ideal state is that I could passthrough the controller to a FreeNAS VM

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• Windows boot manager and two hard disks

  - by Pincopallino

  here's my situation: I had an HDD with Windows 8 installed (UEFI mode). I bought a SSD and wanted to do a clean install of Windows, so I thought that disabling the HDD and leaving the SSD as the only drive when installing was the right procedure to install the boot manager on the SSD. Unfortunately, after I plugged the HDD back in, the computer won't boot unless I select from the BIOS directly the SSD as the boot device. I guess the problem is that I have two Windows Boot Managers on two separate drives and they conflict. How would I solve this problem (excluding a format of the HDD, because I need to access data on the old Windows partition and, ideally, I would like to be able to boot that partition)?

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• Cloned Windows 7 to new HDD and want to change the drive letter to C

  - by Hoppe

  I used Clonezilla to clone my existing hard drive to a new one I bought. I then changed the BIOS to set the new drive as the first in the boot sequence. I'm pretty sure that I'm still running Windows 7 on the old drive. My old drive is marked as C. Now that I don't have a disk drive any more, how I do I swap the drive letter from J: to C:? I tried to change it in the disk management section of "Manage", but it reports: "the parameter is incorrect".

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• Windows 7 System Image Restore to SSD - SSD not detected?

  - by steviey

  I recently bought a new SSD (OCZ Vertex 2 120GB) as a replacement for my laptop HDD . I created a System Image on an external drive using the Win 7 backup and restore tool and then restored this image to the SSD using the Win 7 disk. AHCI is enabled in Win 7 and the BIOS, but it seems that windows is not detecting the disk as an SSD because, in the defragger, the disk is still available for defragging. Prefetch and Superfetch were also still enabled. I have manually disabled scheduled defragging, prefetch and superfetch. I have also checked that TRIM is enabled using: fsutil behavior query DisableDeleteNotify and the result is '0' (it is). Performance seems ok, but not quite as fast as I expected. Was restoring from a win7 generated system image a mistake? Am I getting optimal SSD performance?

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• My laptop keeps hard resetting

  - by cgoddard

  I have had this laptop for a long time (five years at least) and it hasn't had the best treatment over the years. But over the last few months, it has been randomly completely shutting down, no blue screening, no steady shutdown, just black screen, then BIOS. I think it might be happening as I do a save, but cant be sure, but recently it has been getting very annoying. I did initially think it was an overheating issue, but the speed that it comes back online is staggeringly fast for it to have cooled down sufficiently. plus it has got incredibly hot before with no issue (since its been doing this). Does anyone know what might be going on? Dell Inspiron 640m, running Windows 7.

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• Is there Linux Live USB that works with Snow Leopard macbook pro from 2010 april

  - by rofrol

  Hello, I was searching for a long time a Linux Live USB that I can boot my macbook pro from. Is there such distro so I can install it on Snow Leopard or Windows 7? UPDATE I've found this: "isohybrid" CD images (..) are special in that as well as the normal CD-based ISO9660 filesystem they also contain a valid-looking DOS-style partition table. Thus, if you simply copy one of these images raw to a USB stick a normal PC BIOS will boot the image directly. (...) Finally: I'd like to add support into xorriso for creating the nasty HFS hybrid images that are needed for booting Macs. The code that does this in cdrkit is probably some of the worst that I've ever worked with, and I'd like to get away from it. If only Apple hadn't stupidly built their proprietary platform around this shit and had used open standards instead Source

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• HighPoint RAID Controller can't see drives

  - by Satellite

  I've just built a system with a HighPoint 2720 RAID controller. Everything appears to be OK, except that the controller doesn't see any of my drives - the RAID BIOS displays "ERROR. No Suitable disks". I have tried a WD SATA, Seagate SATA, and OCZ Vertex 3 SATA. I am using MiniSAS to 4x SATA breakout cables. How do I get this working? I've tried to sign up for HighPoint support, but their support site doesn't appear to be functioning correctly.

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• Internal SATA hard disk shows up as removable device on Windows 7

  - by neutron80k

  I am running Windows 7 on an Acer Aspire M7720 with three internal SATA drives; drive #2 and #3 are on a removable HDD rack. Drive #3 (on the second removable HDD rack) shows up as removable device in the system tray. If I take drive #3 and put it in the first rack, it shows up as an internal drive. If I put any other drive in the second removable rack, that drive is also shown as removable device. I would like to fix that so that the drive in the second removable rack also is listed as internal drive. Since this seems to be independent of the actual drive in the rack, I checked the BIOS, but that third SATA port uses the same configuration as the second rack. So far, I could not find a solution for this problem (it's really more an annoyance than a problem), any ideas are welcome.

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• Why does Ubuntu 10.04 not see my hard drives?

  - by CT

  I am trying to install Ubuntu Desktop 10.04 64bit to a new machine. mobo = gigabyte x58a-ud3r cpu = i7 930 ssd = Kingston 64GB V+ hhd = wd 1tb black When the installation gets to the prepare partions step, no partitions are listed. Drives are recognized by BIOS and WinXP setup sees them. I have also tried Ubuntu 9.10. It does not see the drives also. Just searching around I found a suggestion to select "no dmraid" in additional options screen. This did not seem to help. Any ideas?

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• USB 3.0 Device not detected in Windows 8

  - by Tek

  About my setup: Windows 8 64-bit. X79-UD3 Motherboard. Latest Windows 8 USB 3.0 Drivers from motherboard manufacturer website. All right so device manager detects my USB 3.0 ports, so all is well there. However when I plug in my external USB 3.0 hard drive, windows doesn't even make a beep; the hard drive is not picked up by device manager at all. The SAME thing happens with Ubuntu 12.10 BUT adding PCI=nomsi (as a workaround) to the Grub command line of the Ubuntu boot option makes Ubuntu 12.10 detect my external hard drive. I also have a few other doubts, if you guys would be kind enough to answer them that include: Should XHCI hand-off in the UEFI bios be enabled or disabled for Windows 8? The difference between XHCI hand-off and EHCI hand-off and what are it's effects on USB 3.0 functionality? And last but not least how can I get Windows 8 to recognize my external hard drive when Ubuntu 12.10 (after the Grub workaround) works fine?

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• Flashing cursor with new laptop battery

  - by Fuzzy Purple Monkey

  I recently purchased a new, non-Toshiba battery for my Toshiba M700 tablet/laptop. The battery fits fine and the tablet detects and charges it, but when I try to boot up all I get is the Toshiba logo then a flashing cursor in the top-left. I can get to the bios, but no further. If I put the old battery back in, everything boots up fine. Has anyone else seen this problem? What am I missing? Thanks in advance!

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• Debian - no sound output

  - by Gogeta70

  So I've been trying for the last few days to get sound output on my Linux desktop. The onboard audio is Intel HD Audio ICH9, but I couldn't get Alsa to even detect it, so I disabled it in BIOS and installed a PCI card - a Dynex DX-SC51. Searching around, I found that it needed the Alsa driver for ice1724, so I installed all the stuff for that. Now, the system detects my sound card, but I can't get any audio to play out of it. Here's some information: root@debian:~# lspci | grep audio 02:01.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01) root@debian:~# aplay -l **** List of PLAYBACK Hardware Devices **** card 0: ICE1724 [ICEnsemble ICE1724], device 0: ICE1724 [ICE1724] Subdevices: 0/1 Subdevice #0: subdevice #0 card 0: ICE1724 [ICEnsemble ICE1724], device 1: ICE1724 IEC958 [ICE1724 IEC958] Subdevices: 1/1 Subdevice #0: subdevice #0 I've been trying various solutions found on Google for a few days now and I'm getting nowhere. Hopefully someone here can point me in the right direction. Thanks.

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• Booting drops to EFI shell but boots normally if exit'ed

  - by wittybear

  (first post here... I'm normally on stackoverflow) I'm booting an Intel ME 5788 board which uses EFI (a replacement for BIOS). On boot it drops out to the EFI Shell and the 'map' shows the drive as a blockdevice but there is no filesystem device mapped. If I just type 'exit' it boots normally to windows 7 and the configuration (using bcdedit.exe) looks fine. I'm confused - surely if its not been able to map the blockdevice as a filesystem device it should not boot? I would like to be able to get the boot to proceed without my interaction - does anyone know how to do it? (Also there is no Boot Manager options available in the shell, i.e. autoboot, bcfg etc)

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• What does it mean for a computer to be an "IBM Compatible PC"?

  - by Jon

  A couple questions about this: 1) Is this term even relevant any more? 2) Does this mean anything from a developer's stand point? It is not exactly clear to me if this is a BIOS, architecture, bus or a combination. A piece of software I'm working on expects to see a "Description" of the system and currently windows machines report "AT/AT Compatible". Having been tasked to port this to Mac, I really don't know what a proper "Description" would be - this will most likely be omitted but I was wondering if anyone could provide some insight on the modern usage of this term.

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• Windows 7 Hibernate Problem

  - by goygoycu

  I cannot hibernate windows. When I click "hibernate", my laptop(windows) just locks and the screen goes black. I can unlock without any problem. I do not have any problem with other options such as "sleep" or "shut down". I updated the chipset drivers but it did not help. There is not any option in BIOS about the sleep modes. "Hibernate" is "on" on Windows. Any advice? My Laptop specifications: MSI A5000 3gb system memory, Windows 7 Home Premium 32bit installed, Gentoo linux installed, Grub bootloader(MBR). Hard drive: Around 4gb of free space in windows partition.

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• Why Does My Laptop Freeze Up When Docked?

  - by Michael Haren

  I have a Dell Latitude D520. First with Windows XP and now with Windows 7, it completely freezes/locks up if I dock it while it's awake. If I hibernate/sleep, dock, then wake/resume, everything's fine. I installed the Dell Notebook System Software for Vista (No Win7 version available) and updated the bios to the latest version but the problem persists. As long as I remember to put this thing in standby before I dock it, it's extremely reliable--it survives my daily commute and heavy use and typically only reboots a few times a month. Any other ideas for things I can try?

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• Left click and enter not working

  - by user1981338

  Sometimes when I turn on my homemade desktop computer (running 64-bit Windows 7), the left mouse click and enter key doesn't work. They work well in BIOS, as well as on the Windows 7 BCD and login screen. Usually, restarting the computer solves the problem. Why does this keep happening? I've tried: Using other USB ports Refreshing, repairing and reinstalling drivers Changing mouse settings Refreshing mouse profiles My keyboard is a Logitech G510, and my mouse is a Razer Lanchesis 5600. Both work without problems in Ubuntu 12.04 and Windows 8.1 Preview, and I've been using both on my 64-bit Windows 7 homemade desktop without problems for about a year and a half. I encountered the problems yesterday.

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• Why is it possible to change the password of an admin user on linux?

  - by enum

  A few days ago, a friend of mine, wanted to show me that he can use my linux even if I don't tell him my password. He entered in GRUB, selected the recovery mode option. My first problem is that he already had access to my files (read only). He tried to do passwd but failed. Then he did some kind of remount (I guess that gave him write rights) and after that he was able to change my password. Why is this possible? I personally see it a security issue. Where I work there are several people that use linux and neither of them have a BIOS password set or some other kind of security wall.

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• Any way to disable specific CPU idle (Cx) states?

  - by Philippe

  I just got a new Toshiba Tecra S11 notebook, which has a Core i5 520M CPU, and it appears to suffer from a well-known problem: a high pitched noise when the CPU is idle. Googling around revealed that this is caused by a specific power-saving mode in the CPU. In most cases, C4 mode is blamed for the noise. So my question is: is it possible to disable C4 mode (or any other "sleep" mode) using some utility or BIOS setting? I don't mind if it hurts battery life. I'd appreciate any advice on this matter. It's driving me crazy. FYI: I'm running Windows 7 64-bit

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• System restore with no mouse or keyboard.

  - by user62371

  I accidentally installed some USB drivers to my Windows 7 system, they were the wrong ones and now my keyboard and mouse won't work. A system restore would get rid of them, but obviously I can't control my computer to make that happen. Keyboard and mouse still work before windows has loaded, in the BIOS and boot system, so can I do anything from there? I've already tried booting into another OS, accessing my windows filesystem and deleting the Program Files entry, but it didnt work so they must go deeper than that. Or could i launch it from a remote machine? I've got some VNC server insalled so if i could get that running that could work.

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• Question about getting information off an old HD...

  - by user37983

  Ok so my old cpu was a sony vaio. its kinda old and had xp on it. My gf thrashed it - the cd drive went and she tried fixing it by messing with the configurations bios etc. the actual laptop is really fried the keyboard doesnt work, etc. However the harddrive is still intact. I tried putting the HD in my new cpu (toshiba runnig win7) and it looks like its gonna boot up it goes to the screen with the logo and the status bar starts to load. then it flashes a blue screen for a split second, and goes to the black screen where it says windows did not shut down properly and gives options to (start windows normally, safe mode, safe mode with networking, safe mode with prompts) ive tried every option but it always goes back to this screen. I need to get into the hd cuz i have very important files. is there anyway?

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