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Newly Built PC is freezing at random times during games or a few seconds after starting Prime95.

Hey guys, I recently purchased and built my 4th computer the other day and I'm having issues with it. It boots up to Windows fine and works great for a while. But for example, when playing Rise of The Tomb Raider or starting a stress test on Prime95 the computer will freeze (including all input so keyboard/mouse etc stop working) and I'll have to hard shut down my computer. During games it happens randomly, but on Prime 95 I believe it only takes 15-20 seconds.

I ran memtest but I couldn't run it normally, it would take about 15 seconds but the test progress bar rapidly filled up to 100% and restarted my PC. So I tried it in option number 4. Which I believe runs it in single core mode and it ran fine for 8+ hours. I'm testing one RAM stick at a time and am currently testing the second one.

Another thing, I don't know if this could be a problem but I didn't fresh install Windows. I carried my old HDD over to my new PC and just uninstalled Graphics Drivers, ATAPI, Sound, Ethernet Drivers etc.

Also I haven't touched overclocking, unless it does it on its own. Everything is running at stock speeds.

Here is my build.

CPU: AMD FX-8350 4.0GHz 8-Core Processor
CPU Cooler: Cooler Master Hyper 212 EVO
Motherboard: Asus M5A97 R2.0 ATX AM3+
Memory: Kingston HyperX Fury Black 16GB (2 x 8GB) DDR3-1866
Storage: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
Video Card: Sapphire Radeon R9 390 8GB Nitro Video Card
Case: Phanteks Enthoo Pro ATX Full Tower Case
Power Supply: EVGA SuperNOVA GS 650W 80+ Gold

If anymore information is needed please let me know.

And thanks for the help!
2 answers Last reply Best Answer
More about newly built freezing random times games seconds starting prime95
  1. Best answer
    The OS could very well be the issue. You may want to try reinstalling it for proper driver configuration, as I don't see any other glaring weakpoints in your build.
  2. You always want to do a fresh install on a new board and you don't want to reuse the old drive with drivers from another board and system for a new build this is your issue your facing format the drive and reinstall everything and you be golden.
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