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System is unstable - need help determining problem

S

Spector

Limp Gawd
Joined
Mar 16, 2002
Messages
128
ASUS P5K Deluxe
8800GTS640MB (old one)
Ballistix 2gb
Lite on DVDRW
Seasonic S12 550W
C2Duo e6420 (that was running overclocked at 3.2 stable for the first 6-8 months of its life)
Windows Vista Ultimate

The system was stable for 6-8 months. Then I was having stability problems and I had to replace my GSkill memory that getting memory test errors in memtest. This happened again a few weeks later and was replaced with the current ballistix which doesnt have any memory test errors.

I continue to have random blue screens though and they are really unpredictable and I am getting different IRQ Fault errors and Page Fault errors each time it seems. Most recently yesterday my computer blue screened while I was using it, I manually restart and it continues to blue screen every time it trys to boot into vista with different system files missing each time. Classpnp.sys one time , ntfs.sys another etc. I have had other strange power issues as well where I would come back and the system would appear to be in sleep mode but would not come back and I have also come back to see my system locked up at the Asus splash screen at startup with weird visual artifacting although that has not happened recently.

Note that this is a fresh install of vista, I recently reformatted on a new hard drive but I have the old drive hooked up to pull data off of.

I have replaced the motherboard on rma, replaced the powersupply on rma. Unless this memory was somehow tainted by the old motherboard it is also new. I think it could only be the videocard or cpu causing problems at this point. I think I will replace my videocard on RMA next and if that does not work then I will buy a new cpu. Its all I can think of to do at this point.

Thanks for any input.
 
Check temps and voltages. That old hard drive and any piece of hardware that you are not using should be removed to rule them out including memory stick(use one at a time). I've had CDroms that were on their way out drawing too much voltage, overheating and taking the whole system down with them. Once everything is removed that is not needed run memtest, check voltages and temps and start adding hardware until you notice fluctuations in voltage or mem errors.
 
The thing is the system will run fine for a few days then it will blue screen, ill have problems and leave it. ill come back later and it starts up just fine. In addition after reinstalling Vista for some reason I can not install Acrobat Reader, it will extract and then crash saying that the Setup.exe failed, in safe mode as well. That is just an example of some of the other strange things going on.
 
Yesterday I enabled PNP in the cmos so the O/S would hopefully control the IRQ numbers. Regardess last night I got home and the system was blue screened saying that windows detected a critical error or something of that sort and had to shut down. I turned off my computer and then it would not turn back on, I hit the power button multiple times and it just didnt work. This morning I come back to find my system is in sleep mode, i'm not sure exactly how that happened.
 
I believe I read a bad review of the Seasonic power supplies, at least I'm leaning towards power supply at this point, as well as the old hard drive . As the motors get old they start to draw too many amps.
 
well i just got this ps on replacement a few weeks ago tops and i have the old hd unplugged at the moment so im running on bare minimum with no dvd player even. Still experiencing problems. Hopefully I can RMA my card with EVGA
 
Consider reinstalling. What type of fault reads was that corrupt memory giving? (rhetorical question) You might have bugs in the OS now because of that.
 
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