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Old 01-27-2004, 10:44 PM   #1
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Stop: C000007b Unknown Hard Error?!!

Posted already under intel but I though this was the most appropriate place.

Win XP Pro/ SP1

Receiving randomly:

BSOD when returning from standby:

STOP: C000007b Unknown Hard Error
Dump of Physical Memory

Also system will randomly try to return from Standby and the windows background screen will appear, no taskbar and no icons and the system will just freeze without any errors.

Installed a new powersupply today - borrowed and the freeze error hasn't appeared but the BSOD has.

Had a host of random restarts, BSOD's so I RMA'd my Asus P4C800 - E DLX and Sapphire Tech 9200 128 MB thinking one or the other was bad. Received it yesterday and installed it and have been receiving the stop error above.

Have 1 SATA drive on the SATA1 (ICHR) port, 1 DVD on sec IDE and Floppy.

Intel 2.6C 800 and Corsair Twin 3200C2PT's 512mb
Memtest86 ran for 25 passes and cleared
Eithernet and sound active.

No random restarts yet but the return from standby errors concern me.

Possible the floppy or DVD is causing a problem or could the SATA drive? Ran Maxtor's test and it passed no problems.

From my understanding the stop code is some form of reference to video but I'm not sure.

Any ideas? Its starting to drive me a little nuts.
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Old 02-17-2004, 09:20 PM   #2
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I had the same BSOD. I thought it was the vid card because of static on the screen most of the time, then thought it was the hard drive as I got some primary hard drive failure messages at post. In the end my problem ended up being a bad power supply.

Hope this helps.
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Old 02-19-2004, 05:42 PM   #3
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I had this error once after flashing my scsi card on my work PC. This article from MS seems to fit the problem I had.

The Stop 0x7B message indicates that Windows XP Professional has lost access to the system partition or boot volume during the startup process. Installing incorrect device drivers when installing or upgrading storage adapter hardware typically causes stop 0x7B errors. Stop 0x7B errors could also indicate possible virus infection.

Interpreting the Message
This Stop message has four parameters:

The address of a Unicode string data structure representing the Advanced Reduced Instruction Set Computing (RISC) Computing (ARC) specification name of the device at which you attempted startup.
Pointer to ARC name string in memory.
This value is 0x00000000 (zero).
This value is 0x00000000 (zero).
The first parameter typically contains two separate pieces of data. For example, if the parameter is 0x00800020, 0x0020 is the actual length of the Unicode string and 0x0080 is the maximum ARC name string length. The next parameter contains the address of the buffer. This address is in system space, so the high-order bit is set.

If the file system is unable to mount the boot device or simply does not recognize the data on the boot device as a file system structure, the following parameter definition applies:

The address of the device object that could not be mounted.
Error code value or 0x00000000 (zero).
This value is 0x00000000 (zero).
This value is 0x00000000 (zero).
The value of the first parameter determines whether the parameter is a pointer to an ARC name string (ARC names are a generic method of identifying devices within the ARC environment) or a device object, because a Unicode string never has an odd number of bytes, and a device object always has a Type code of 0003.

The second parameter is very important because it can indicate whether the 0x7B Stop message was caused by file system issues or problems with storage hardware and drivers. Values of 0xC000034 or 0xC000000E typically indicate:

Disks or storage controllers that are failing, defective, or improperly configured.
Storage-related drivers or programs (tape management software, for example) that are not fully compatible with Windows XP Professional.
Resolving the Problem
The following suggestions are specific to Stop 0x7B errors. For additional troubleshooting suggestions that apply to all Stop errors, see "Stop Message Checklist" later in this appendix.

During I/O system initialization, the controller or driver for the startup device (typically the hard disk) might have failed to initialize the necessary hardware. File system initialization might have failed because of disk or controller failure, or because the file system did not recognize the data on the boot device.
Repartitioning disks, adding new disks, or upgrading to a new disk controller might cause the information in the Boot.ini file, or Boot Manager, to become outdated. If this Stop message occurs after installing new disks to your system, edit the Boot.ini file or adjust the Boot Manager parameters to allow the system to start. If the error occurs after upgrading the disk controller, verify that the new hardware is functioning and correctly configured. For more information about the Boot.ini file, see "Troubleshooting Startup" in this book.
Verify that the system firmware and disk controller BIOS settings are correct and that the storage device was properly installed. If you are unsure, consult your computer's documentation about restoring default firmware settings or configuring your system to auto-detect settings. If the error occurs during Windows XP Professional setup, the problem might be due to unsupported disk controller hardware. In some cases, drivers for new hardware are not in the Windows XP Professional Driver.cab library, and you need to provide additional drivers to complete the Windows XP Professional setup successfully. If this is the case, follow the hardware manufacturer's instructions when installing drivers. Periodically check for driver and firmware updates.
Hard disk corruption can also cause this Stop message. For more information about checking hard disk integrity, see the instructions provided in "Stop 0x00000024 or NTFS_FILE_SYSTEM" earlier in this appendix.
Problems that cause 0x7B errors might also cause Stop 0xED errors. For more information about 0xED Stop messages, see "Stop 0x0000007B or INACCESSIBLE_BOOT_DEVICE" later in this appendix.
For more information about Stop 0x7B messages, see the Microsoft Knowledge Base link on the Web Resources page at http://www.microsoft.com/windows/reskits/webresources. Search using keywords winnt, 0x0000007B, 0x7B, and Txtsetup.oem
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Old 02-23-2004, 04:23 PM   #4
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Have you checked the SATA cables? Sometimes those will be slightly loose resulting in this issue. I would get that exact error however mine was due to a losse molex connector on one of the drives of my RAID setup.
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Old 02-23-2004, 04:31 PM   #5
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First replaced the motherboard, same problem, swapped powersupply, same problem, video card, same problem. All during process wiped drive clean and reinstalled Windows XP SP1. Memtest86 was also clean. Finally replaced the SATA with a really old 5400 RPM IDE drive (13 GB) that came out of a drawer that was originally in my circa 1998 DELL Dimension. Worked like a charm for about two weeks while I RMA'd the SATA drive. SATA drive is back in my system and its running flawlessly. The first thing I noticed is that it only takes about 5 seconds to return from Standby. With the old drive you were lucky if it came back in 20-30 seconds. No errors with the "bad" drive in event log or using Maxtor's Powermax. Pain to isolate but the machine now purrs.
Asus P4C800-E DLX Rev 2.0
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Old 08-10-2004, 08:06 PM   #6
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My roommate recently had the very same problem on a brand new Acer Aspire Centrino *laptop* (everyone else I've seen with this error had a desktop).

The laptop seemed unable to come out of standby (screen stayed off) but pressing Ctrl+Escape made the wallpaper (nothing else) appear. After pressing a bunch more keys a BSOD appeared with a message like

c000007b Unknown hard error
Unknown hard error
Beginning memory dump

It never 'finished' the dump and the ol' 5-second powerdown was necessary.
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