Windows 7 no longer booting, BSOD, disk.sys
Hello, I had a working computer with Win 7 Home Premium 64bit, this is how the sequence of events unraveled, I leave my computer on all of the time, one morning i tried to use my flash drive, i put it in and it was not recognized in any of my usb ports, so i reset my computer and it now does not load past disk.sys, the last time i used my computer before this was the day before probaly about 12 hrs, and it worked fine. i did not download or install anything, and have a perfectly good working anti-virus. i have tried everything from using dism to virtualizing the disk to system recovery. all of my restore points are gone?? and also it says that it can not find any root cause in system repair and that it can not repair. intrestingly enough, i can install windows 7 on another drive and boot on the same tower. Also i found an image from when i first set-up windows 7 and tried a restore using acronis, and that has the same issue with booting past disk.sys. the bsod is a stop 0000007b error im getting errors in device manager from usb controller. is this possibly a hardware issue? I really like how i had my system set up and i would like to be able to get this back. any help is appreciated thank you
May 20th, 2010 1:47am

Try swapping and booting with 1 piece of ram and next use system restore or repair (i assume the HP comes with recovery cd or a image partition) if it does, use those
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May 20th, 2010 3:22am

sorry the hp is for home premium, this is a computer i made myself. and i allready tried system restore it says that it can not repair, it also reports no errors. i can boot all other windows installations on this machine with out error.
May 20th, 2010 3:59am

Have you recently run a hard drive scan to check for hdd errors? I.e. Drive fitness test, seatools, anything like that? Verify the actual physical hardware is in good shape. Also, have you tried swapping the disk.sys with a known good copy from the windows dvd? Many a viruses I have run across have been able to infect machines by installing drivers which most people dont look for. Maybe run a windows verification tool on the disk.sys from outside of windows (in a pe environment for instance)
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May 20th, 2010 11:54am

yes i checked the harddrive for errors,,, all passed, checked the memory as well i both ran verification tool on windows system files and also replaced disk.sys with a known good copy
May 20th, 2010 9:05pm

the computer doesnt boot, and also the antivirus i had istalled was installed since last november with no issues, also the computer was not in use or restarted for aprox 12-24hrs prior to this incident. how would i go about uninstalling the antivirus in PE
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May 20th, 2010 9:09pm

Hi, I would like to confirm that can you boot into Safe Mode? You may reset the BIOS to default or check the SATA mode to test the issue. For more information about the error "STOP 0x0000007B INACCESSABLE_BOOT_DEVICE", you may refer to the following link: http://support.microsoft.com/kb/922976 Regards,Arthur Li - MSFT
May 21st, 2010 5:28am

no booting into any mode, always freezes on disk.sys and my boot error isnt limited to that hard drive, i moved the image to another hard drive and get the same error
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May 21st, 2010 6:01am

this is the BSOD http://img227.imageshack.us/img227/5782/capturexq.jpg
May 21st, 2010 6:40am

no one has any solutions?
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May 23rd, 2010 5:33pm

The system can't find the boot device. It may have lost the parameters. Google the issue with 0x0000007b. Renee
May 24th, 2010 12:12am

here is the crazy thing though, mounting the image on another drive doesn't boot either
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May 24th, 2010 5:42am

Be thankful. It's not crazy. Renee
May 24th, 2010 11:00pm

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