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CPU error test - not benchmark

post #1 of 6
Thread Starter 
Is there a program for testing the CPU from DOS-prompt, like Memtest86+? I suspect I have some bad installations, but using optimizers to fix things often turns out making the problem worse. I get about 5 - 6 different bluescreens in random order as soon as Windows 7 starts to load. So what I would like to do is running a test on the CPU before loading the OS, thereby ruling out the OS as part of the problem. If it runs fine then I know I need to reinstall, if not, then I have to find out what's causing the problem. Frequency or voltage/current etc. My memory is fine, I've run 2 passes with Memtest86+ without any errors.

Lets start with finding a program for testing, not trying to find out what the bluescreens are. There's too many of them and the combinations are many, making it hard to find a solution.
post #2 of 6
You can verify Windows system file integrity with the command: sfc /scannow
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Lounge Gaming
(13 items)
 
NAS
(14 items)
 
Beast
(17 items)
 
CPUMotherboardGraphicsRAM
i7 6700k 4.5Ghz 1.32v Asus Z170i Pro Gaming MSI GAMING GTX 970 1545/3900Mhz 1.23v G.Skill Trident Z 2x8GB 3000Mhz 14-14-32 1.35v 
Hard DriveHard DriveCoolingOS
Toshiba DT01ACA300 Intel X25-M 160GB RAID0 Thermalright Venomous X Windows 10 Pro x64 
MonitorPowerCaseAudio
Pioneer PDP4280XD Corsair RM650x Fractal Node 304 B&W 602S2's, B&W M1 Surround, Arendal Sub1 
Audio
Yamaha RX-A1010 
CPUMotherboardRAMHard Drive
i7 3770 4.38Ghz 1.12v Asus P8Z77-I DELUXE Kingston HyperX FURY Series 16GB (2x 8GB) 2200M... Crucial M4 128GB 
Hard DriveHard DriveHard DriveCooling
Western Digial 3TB ACA Seagate Enterprise 2TB Western Digital Black 2TB Coolermaster Hyper 212 Evo 
OSMonitorPowerCase
Windows 10 Pro BenQ 24" Monitor Seasonic M12II 620W Fractal Design Node 304 
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post #3 of 6
Thread Starter 
I'm interested in a CPU test. smile.gif
post #4 of 6
Hello,

You could grab a linux "livecd" (boot from USB also possible) that contains Prime95, or just download it once you are in the livecd environment.

The xubuntu ISOs function as a livecd, just avoid going through the install process smile.gif Good support for network cards etc for downloading prime95 once you boot from it.
post #5 of 6
Thread Starter 
Ran it from Safe Mode.

10 passes, default setup.

~99 GFlops, ~9 secs. Result: 3 048508e=002

Passed.

Running 100 passes now, but this is looking like a Windows 7 problem to me.

Any comments?

Edit!
This was Intel burntest. Running Prime95 now.
Edited by SverreMunthe - 8/12/13 at 3:33am
post #6 of 6
Thread Starter 
Ran Prime95 for 5 hours without faults. Reinstalling Windows 7 now.
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