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Random Blue Screens

Forum Homebuilt Systems : General Homebuilt - Random Blue Screens

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waflman7   02-03-2009 at 04:29:09 PM

Sorry if this is in the wrong section, I am new to these forums.

My computer has been randomly blue screening. It will blue screen during boot, it will blue screen in the middle of use in windows, or it will randomly blue screen during shut down. Sometimes it would go days without blue screening and sometimes I can't get it to go 60 seconds without blue screening.

The blue screen errors that I have gotten
STOP: 0x0000007E

STOP: 0x00000024
CLASSPNP.sys

STOP: 0x000000C2
BAD_POOL_CALLER

Stop:0x0000000A
IRQL_NOT_LESS_OR_EQUAL


I didn't update any drivers or settings prior to this happening.
I have replaced the hard drive with a brand new hard drive and a brand new install of windows.
I have completely taken apart the computer and performed a deep cleaning in case it was a heat issue.
I checked each stick of RAM with memtest86 and memtest86+ individually and then all together. I used to have 3 sticks of RAM but I did find one was bad so I removed it. Now I have to the 2 gigs that I stated but the problems still persist.
I tried different drivers, old and new, on the fresh install.

Specs:
Windows XP Pro 64-bit
Intel C2D E6750 2.66 GHz
Zalmann 110mm heatsink
Patriot Extreme Performance 1GB x2
Radeon HD 2900PRO 1GB
SAMSUNG SpinPoint T Series 500GB SATA
ASUS P5K Deluxe mobo with WiFi-App
Corsair 620 watt PSU

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Silver Home Brew badge shortstuff_mt   02-03-2009 at 05:52:24 PM
- 0 +

What exact model is your RAM? The Patriot Extreme Performance RAM need anywhere between 2v & 2.2v depending on the model #. Did you manually set the RAM timings and voltage to the manufacturers specs in the BIOS? I've seen RAM pass memtest86+, but still not operate correctly in Windows. How long did you let memtest86+ run? I've also seen RAM run memtest without errors for 5 hours and then start producing errors.

Message quoted 1 times
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aevm   02-03-2009 at 06:10:23 PM
- 0 +

This might help:
http://www.tek-tips.com/viewthread.cfm?qid=240245

I Googled CLASSPNP.sys and it looks like there are plenty of others with the same issue. It seems to be related to the hard drives.

Reply to aevm
waflman7   02-03-2009 at 07:41:00 PM
- 0 +

shortstuff_mt wrote :

What exact model is your RAM? The Patriot Extreme Performance RAM need ...




I had set the RAM settings when I first built the computer and they worked fine ever since.
I ran memtest for about an hour to an hour and a half for each stick individually. I then ran all the sticks together for about nine hours.

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