I home-built my custom PC about 4 months ago and everything has been exceptionally flawless. However, recently my PC has been freezing abruptly and it seems to be completely random. It will suddenly freeze and become unresponsive to everything, and I am forced to hard reboot.
Initially I thought it was a corrupt graphics driver, but uninstalling/reinstalling/sweeping it didn't solve it. I ran a disk cleanup, cleaned the registry, and defragged and it didn't help. I ran Memtest for hours and a HDD check and both passed. I then did a stress test to the graphics card and that passed as well. To bypass any GPU suspicions, I took it out completely and am now running on Intel HD graphics and it's still freezing randomly, only now it's flashing colors like a strobe light.
Unfortunately, there is no BSOD and no dump files. Event viewer only shows "unexpected shutdown". Do you think it is a hardware issue? I am technically savvy with hands-on stuff, so I'm not afraid to get down and dirty; breadboarding, testing voltages and what-not.
I've run out of ideas. Any input would be greatly appreciated! I uploaded a video from my cell phone to give a visual. Sorry for the poor quality/angle, but hopefully you get the idea.
http://youtu.be/YHfgndxKC4A
Here are my PC specs:
Intel I5-3470 Ivy Bridge 3.2GHz CPU
Rosewill RCX-ZAIO-92 CPU Cooler
AsRock H77M Intel LGA 1155 Motherboard
EVGA GTX 260 896Mb GPU
Corsair CX600 v2.3 80PLUS Bronze PSU
Team Vulcan 8Gb (4x2) DDR3 1600 RAM
Seagate Barracuda 500Gb ST500DM002 Hard Drive
LG Blu-Ray Drive SATA UH12NS30
ASUS PCE-N15 PCI-E Wireless Card
WinTV-HVR-1xxx PCI-E TV Tuner
Two 92mm & one 120mm fan
Initially I thought it was a corrupt graphics driver, but uninstalling/reinstalling/sweeping it didn't solve it. I ran a disk cleanup, cleaned the registry, and defragged and it didn't help. I ran Memtest for hours and a HDD check and both passed. I then did a stress test to the graphics card and that passed as well. To bypass any GPU suspicions, I took it out completely and am now running on Intel HD graphics and it's still freezing randomly, only now it's flashing colors like a strobe light.
Unfortunately, there is no BSOD and no dump files. Event viewer only shows "unexpected shutdown". Do you think it is a hardware issue? I am technically savvy with hands-on stuff, so I'm not afraid to get down and dirty; breadboarding, testing voltages and what-not.
I've run out of ideas. Any input would be greatly appreciated! I uploaded a video from my cell phone to give a visual. Sorry for the poor quality/angle, but hopefully you get the idea.
http://youtu.be/YHfgndxKC4A
Here are my PC specs:
Intel I5-3470 Ivy Bridge 3.2GHz CPU
Rosewill RCX-ZAIO-92 CPU Cooler
AsRock H77M Intel LGA 1155 Motherboard
EVGA GTX 260 896Mb GPU
Corsair CX600 v2.3 80PLUS Bronze PSU
Team Vulcan 8Gb (4x2) DDR3 1600 RAM
Seagate Barracuda 500Gb ST500DM002 Hard Drive
LG Blu-Ray Drive SATA UH12NS30
ASUS PCE-N15 PCI-E Wireless Card
WinTV-HVR-1xxx PCI-E TV Tuner
Two 92mm & one 120mm fan
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