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Stutters/Lockups in Vista. Want confirmation of my findings

Last response: in Windows Vista
February 12, 2010 9:52:42 PM


I've been experiencing a problem since upgrading my cpu/motherboard/ram. Sometimes no problems in a night, sometimes, it could happen 5/6 times in a night. I did see an article that said faulty CPUs tend to show problems doing the same task.Below are the details.

I seem to get lockups for up to about 5 seconds, and then the pc continues as if nothing went wrong. I mainly notice this when watching videos.

I've tried the following:

3 different graphics cards (1xnvidia, 2xati)
2 mice
cycled through my 3 2gb memory sticks, by running 2gb at a time
Reinstalled vista x62 multiple times
Installed without putting on klite
Installed to 2 different hard drives
knocked out my raid on drive f:
changed from AHCI to standard IDE
Forked out for another motherboard

Main details (with variations I've tried:
Both MBs were gigabyte
3x2gb ddr3
I7 920 cpu
Nvidia 295 or ATI 4870 or ATI 5970
Vista x62 SP1 or SP2

I still get the same problem. From what I can see the only static variable is the CPU. Is it possible the CPU could be the culprit, or am I missing something.

thnaks in advance

February 15, 2010 5:44:57 AM

Check your Device Manager.
Are there any bad installed devices indicated?
February 15, 2010 8:06:47 AM


Device manager looks fine. All devices have drivers and are working correctly. Windows Event log also shows no errors

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February 15, 2010 8:16:16 AM

Have you tried same thing with on board video??
Try using one GPU at a time.
Use driver sweeper or driver cleaner 1.5 pro to remove all drivers, try updating with latest nvidia/ati drivers available??
February 22, 2010 6:20:52 AM


I'm afraid I dont have onboard graphics. One of the ATI cards I've tried was only a single GPU version. I dont think it's a drivers problem as I've tried ones that came on CD and I've also tried downloading from the web, with my various reinstalls of the OS.
February 22, 2010 6:27:33 AM

You need to remove the old video driver from the Safe mode (F8).
It can't be changed while in use.