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Windows 7: BSOD x50 x1a among others

12 Aug 2012   #1

Windows 7 Ultimate x64
BSOD mostly 0x00000050 0x0000001a

Hi guys, first I would like to thank you for helping me out on a regular basis, but this time I couldnt quite read my way out of it. I think I need help looking through some dumps.

I built my father a new computer, which gives BSOD on a non regular basis, from twice a day to once every second day. This while doing anything or nothing.

-ASUS M5A99X EVO, Socket-AM3+
-AMD FX-4100 4-Core Processor
-Corsair Vengeance DDR3 1600MHz 8GB CL9 Kit 2x4GB
-Corsair SSD Force Series GT 240GB
-Corsair CX V2 430W PSU
-Radeon HD5600 series (leftover from the old computer)
-Two older sata backup disks running software raid, mirroring.

Win 7 Ultimate x64 SP1 (fully updated)

What I've done so far:
-Memtest86, 2 cycles which gave no errors.
-SFC, no integrity violations.
-Removed DTlite
-Moved RAM modules from slots 1-3 to 2-4.
-Cranked the DRAM voltage up various levels ~1.5-1.55 (did the trick on my own computer)
-Verifier with all non-MS drivers for several hours without crashing.

From all the googling and troubleshooting I've done the last two weeks it seems to be memory related, so maybe 2 cycles on memtest was not enough to reveal errors? Until I get the results from a longer memtest it would be great if anyone would look through my minidumps (14), for any signs of obvious problems.

I attached the minidumps, theres 14 of them. The last 4-5 seems to be very similar.

Any help would be greatly appreciated, thanks.

My System SpecsSystem Spec
12 Aug 2012   #2

Windows 7 Ultimate x64

Hmm, could a too high DRAM voltage value (+0.05) cause BSOD? I was just thinking, during the last ~half of the BSOD errors the voltage have been 1.55 ..and the last few errors have only been x50/x1a, so kinda similar comparing to the early ones. I just read the the motherboard specific QVL on memory, saying that it should be 1.5 for those modules.

So maybe I fixed one problem during troubleshooting and made another by upping the voltage

My problem is that went home thinking the computer was ok, and now I can only reach it with remote desktop ..making it tricky getting into the bios.
My System SpecsSystem Spec
13 Aug 2012   #3

Windows 7 Ultimate x64

My System SpecsSystem Spec

14 Aug 2012   #4

Windows 7 Ultimate x64

Update, I got my father to run a memtest overnight. Here's the result, I've never seen it this way before, can't be good right? Did the software crash or is it a typical memory error result?

Sorry about the bad picture, but I think it's readble.
My System SpecsSystem Spec
22 Aug 2012   #5

Windows 7 Ultimate x64

Thought I should update this in case anyone experience something similar. I replaced the RAM and it's now all good.
My System SpecsSystem Spec

 BSOD x50 x1a among others

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