Random crashes, completely stumped

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Joined
4 Dec 2008
Posts
1,812
Hi all.

My brother's computer has been hard locking for a few months now, used to be once a week or so, now it's at least 5 times a day.

It would only crash on youtube videos when maximising, cursor would freeze, followed by a loud beep from the motherboard speaker, and a BSoD. Every BSoD was "THREAD_STUCK_IN_DEVICE_DRIVER", pointing to the following:

watchdog.sys
ntoskrnl.exe
nv4_disp.dll
nvkldmm.dll

Further debugging is pointing to the firefox plugin container.

Initial thought is graphics fault (his GFX was beginning to fail at the time) or flash problem. However we have tried the following (since we have many spare parts lying about):

-Spare GFX
-Spare CPU
-Spare PSU
-Spare RAM (was slightly more stable when only running a single stick, makes me think the NB needs more volts but the BIOS doesn't give the option)
-Juggling RAM and slots about
-Complete reformat
-Reflashing BIOS and latest vBIOS

With absolutely no luck. It has now also begun BSoD'ing in L4D2 and causing unusual glitches in Minecraft (blocks disappearing etc).

Anything else we can try?

Problem is, it's pointing to either a board or software incompatibility at this stage, with little evidence to distinguish the two.

Going to retrieve the PCI diagnostic card from the mass of junk of tomorrow to try make sense of the crashes. System spec:

OCZ StealthXStream 400W
Athlon X2 5000+ 2.6GHz
3GB RAM
Gigabyte GA-M61PME-S2
Samsung F1 160GB
Abit Airpace
Zotac/BFG GF8800GT 512

Cheers
 
Note that steam has a browser and uses some flash content. Crashes on me too sometimes (my Flash is pretty instable, Google chrome often bombs).

Try disabling Flash hardware acceleration, worth a shot.

Or double checking onboard graphics is disabled and not interfering (being a Nforce). Motherboard latest drivers, ect...
 
Last edited:
This problem occurs because your computer has an Nvidia video card installed that uses the Nv4.sys video driver.

http://support.microsoft.com/?kbid=314215

Am aware of this :p just that right now it deffo isn't graphics card or driver.

Note that steam has a browser and uses some flash content. Crashes on me too sometimes (my Flash is pretty instable, Google chrome often bombs).

Try disabling Flash hardware acceleration, worth a shot.

Or double checking onboard graphics is disabled and not interfering (being a Nforce). Motherboard latest drivers, ect...

Ooh, didn't think of that. Will give that a shot, cheers :)

Onboard graphics deffo disabled, all drivers 100% up to date since format.
 
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