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Random Computer Freezes Win7 64, new PC

Last response: in Systems
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March 31, 2013 11:25:00 AM

I received a CyberPower Gaming PC about 2 weeks ago. For the most part everything is running pretty nice and I enjoy the system, but there are 2 issues:

1) I ordered extra case fans, of which 2 are mounted on the side of the case, neither of these are running. There is already 3 other case fans, 1 at the back, 2 at the front that are running fine, but the 2 side fans don't run at all.
The 2 side case fans appear to be connected to the power supply properly.

2) I am experiencing random PC freezes. It only happens about 1 time per day, but it can be rather annoying. It pretty much started day 1, so I don't suspect virus, but rather software/driver/hardware issues.

Detailed explanation of freezing follows:

The freeze will happen very suddenly with no signs of warning. The PC completely locks up, meaning the mouse and keyboard become unresponsive, also pressing the cap locks key does not change the status of the light. CTRL-ALT-DEL does not work. The monitor stays on. Sometimes, especially if music was playing, the sound buzzes and loops. No amount of waiting seems to cause the PC to recover (even hours). The only way to fix the problem is to power off the PC and restart at which time it is fine until the next freeze which usually doesn't happen until the next day.

Situations that this freeze occurs:

Mostly it freezes when doing very simple tasks, like web-browsing. Two times the freezes happen right when/before I hit enter when doing a google or youtube search. Another time, the freeze happened when I was listening to music on youtube while in another room (I noticed a freeze because the sudden buzzing sound). Other times, it happens just when general web-browsing.

So far, freezes have not really occurred while doing any gaming, which is what I am doing most of the time that the PC is on, including high-end graphics games. Although there has been exactly 2 Temporary freezes while gaming, 1 time where the sound buzzed and looped. However, in these 2 cases, the PC did recover after about 10-20 seconds.

Following are the PC details:

Processor = INTEL I5-3570 3.4 GHz 6M LGA1155
1st HDD = 256GB ADATA SP900 SATA 3 6GB/s SSD
2nd HDD = Western Digital 1TB Caviar Blue SATA 3 6GB/s 7200 RPM
RAM = 2x 4GB DDR3/ 1600mhz Memory
Case = Corsair Carbide Series 300R Mid-tower (1 fan in back, 2 fans in front)
Extra Case Fans = 2x Case Fan 120 MM mounted on the side of case
CD/DVD Drive = SAMSUNG 24X DVD-RW
Motherboard = Gigabyte GA-Z77X-D3H Crossfire/SLI SATA 3 USB 3 LGA 1155
PSU = Corsair CMPSU-850TX V2 Power supply
GPU = NVIDIA GTX670 2GB DDR5 PCI-E
OS = Windows 7 Home Premium SP1 64-bit
Sound = Onboard 7.1 sound

Monitor = ASUS VS247H-P 24" WIDE LED BLACK LCD
Wireless = ASUS USB-N13 802.11B/G/N USB 2.0 300 MPBS
October 3, 2013 3:29:01 AM

I wish someone could help out ~
We have very similar builds and symptoms and I've been scouring this site for a cure.

My pc freezes usually occur at a certain time usually it was 4:30 am no matter what time I switch my pc on it would always freeze around that certain hour whether I'm just idling, browsing the net, playing a game, or using programs.

I've seen other situations where drivers that haven't been updated or hdd or memory or ram probs and even seen results that say it could be the bios or OS. i've checked for bad sectors in my hdds and it wasn't that so at the moment i've just reseated my pc since it was one of the solutions mentioned.

What fixes have you tried so far?
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