Need help with intermittent fault, possible CPU flaw??

iNertia

Geek Trainee
So basically, I built a new computer a couple of months ago, and it has been one of the worst thing's to have to deal with so far.

Here is the current configuration:

Motherboard: Gigabyte GA-870A-UD3
CPU: AMD Athlon II x4 635
RAM: 2 x 2GB Corsair Dominator GT 1600MHz (CMD4GX3M2A1600C8)
Hard Drives: G-Skill 64GB SSD, 1.5TB Seagate 7200.11 HDD
DVD Drive: Lite-On 24x DVD-RW
Graphics Card: MSI Nvidia 1GB GTX 280 (Factory Overclocked)
Sound Card: Creative SoundBlaster 5.1 VX
Power Supply: 550W Thermaltake EVO Blue (75% Efficiency)
CPU Cooler: Thermaltake Max Orb
Case: Antec Six-Hundred w/ all fan slots full.
Keyboard: Razer Lycosa
Mouse: Razer Deathadder v2
OS: Windows 7 x64

No matter what I do to it, it doesn’t seem to work perfectly. The system will randomly freeze in Windows. By randomly, I mean whenever.. While booting into the OS, while the system is idling, sometimes in-game, sometimes when converting video, sometimes when I open a program, whatever, whenever. I haven’t attempted to overclock it at all yet, as it would be pointless on an already unstable system. I feel like I have eliminated all issues other than the CPU, or power supply.. I was wondering if you guys had any idea what might be the case. Here is what I have done so far:

• Removed Sound Card
• Installed on the HDD rather than the SSD, also installed on 2 other HDD’s (Maxtor DiamondMax 21, and another 1.5TB Seagate 7200.11)
• Tried installing Windows XP SP2, Windows 7 x86, and Ubuntu 10.04 rather than Windows 7 x64
• Tried using my old Radeon x700 Pro, instead of the GTX 280 (Thus testing the extra graphics card power cabling from the PSU)
• Tried using different RAM configurations (1 x 2GB of the Corsair, 1 and 2 x 2GB OCZ Reaper 1600GHz (OCZ3RPR1600GK))
• Tried the ram in all different RAM slots
• Tried using different keyboards and a mouse (Razer Arctosa, and a generic PS/2 keyboard and mouse)
• Tried the stock CPU heatsink (CPU has never gone above 40-50C degrees, averages 25C degrees with Thermaltake cooler)
• Replaced the motherboard with an ASUS M4A87TD EVO, still no luck.
• Disconnected the DVD Drive and installed off a USB

One other thing I should mention, is that with the Gigabyte motherboard, sometimes the system would just crash and reboot before I even got to the stage of booting off the Windows disk.
So as you can see, I’ve been through a lot of avenues to try and sort this out. It has worked with an OS installed for a while, but still, I would get that annoying intermittent system freeze.

My best guess is that It could be a problem with the CPU, but please let me know if you have any solutions

MUCH Appreciated,
Niv
 
A couple more suggestions:
- test the RAM with memtest
- lower the RAM clocks in BIOS
- try the RAM in a friends PC
- make sure the exact RAM art number complies with supported RAM brands in the supported list of RAM vendors of the motherboard (damn, that's a knotty sentence right there :D )
- run prime95 (i.e. stresstest your CPU - especially mathematical operations should be able to uncover CPU faults)

Best of luck, man. I'd hate having put together a new PC and then just dealing w/ bs like this....
 
Code:
http://www.computerhope.com/issues/ch001089.htm

Code:
http://www.computerhope.com/issues/ch000605.htm

Two useful links. Best of luck!
 
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