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0x7E & 0x50 at boot

Last response: in Windows XP
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October 5, 2010 8:12:33 PM

I have a computer that I would boot up maybe 50% of the time fine, otherwise I would get 0x50 or 0x7E at bootup. Rebooting a few times would fix the issue, but every time it booted, one of those messages would appear.

I installed XP SP3 shortly after..yet the problem still occured.

Now it won't boot up in regular mode, period.

0x0000007E (0xC0000005) SYSTEM_THREAD_EXCEPTION_NOT_HANDLED memory access violation.

OR

0x00000050 PAGE_FAULT_IN_NONPAGED_AREA naming driver partmgr.sys.

For some reason, BSOD's aren't producing memory dumps so I can read them. If anyone can assist me in allowing this to happen, that'd be great.

Safe mode works fine.

I've tried:

a chkdsk /r, no luck.
bootcfg /rebuild, no luck.
memtest, a-okay.
different RAM, no luck.
disabled ALL startup entries and all except microsoft services from msconfig, no luck.
uninstalled all anti-virus programs including removal tools, no luck.
deleted any recently installed drivers from drivers folder, no luck.
disabled video, audio, network, etc drivers from device manager, no luck.
made sure the pagefile existed on c: drive and resetting the settings for paging file with windows, no luck.
reset all BIOS to default/reset CMOS, no luck.
removed all external/unnecessary hardware (pci cards), no luck.
intelppm fix after SP3 not necessary. I have an intel processor.

I am stumped because Safe Mode works fine.

What could be the issue I'm facing here? Formatting is not an option at the moment.

EDIT: oops, fixed where I said amd processor..i have an intel.

More about : 0x7e 0x50 boot

October 5, 2010 8:59:27 PM

Check for updated drivers, and BIOS.
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October 5, 2010 9:09:51 PM

I am unable to pinpoint one driver to update. I did, however, update an entire chipset driver to no avail.
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October 5, 2010 9:25:31 PM

VGA mode doesn't work either, so it's not a video driver issue.

I was thinking about a repair install, but I am concerned it's indeed a driver issue. I'll give it a shot and let you know.

Thanks.
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October 6, 2010 12:13:52 AM

You said it works fine in safe mode. Safe mode uses the default video driver, not your video card's driver. That's why I suggested looking for an updated video driver. If you haven't updated it in a while, there's likely an update.
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