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Started by emmick4 | | 3 answers
Computer shuts down without warning
I built this computer for my cousin:

PCPartPicker part list / Price breakdown by merchant

CPU: AMD FX-6350 3.9GHz 6-Core Processor ($129.94 @ SuperBiiz)
CPU Cooler: Cooler Master DK9-7E52A-0L-GP CPU Cooler ($8.98 @ OutletPC)
Motherboard: Gigabyte GA-78LMT-USB3 Micro ATX AM3+ Motherboard ($44.99 @ Micro Center)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($79.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($53.98 @ OutletPC)
Video Card: Sapphire Radeon R9 270X 4GB Dual-X Video Card ($185.66 @ Newegg)
Case: Azza CSAZ-206 ATX Mid Tower Case ($24.99 @ Newegg)
Power Supply: Logisys 550W ATX Power Supply ($19.98 @ OutletPC)
Monitor: Gateway KX2153 Abd 60Hz 21.5" Monitor ($119.98 @ OutletPC)
Monitor: Gateway KX2153 Abd 60Hz 21.5" Monitor ($119.98 @ OutletPC)
Total: $788.47
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-10-12 21:44 EDT-0400

At first windows 8 installed fine, he even got a few essential programs installed and then it simply shut off. Then it started to do it more frequently up until you couldn't even log in without it shutting down.

So I made sure nothing was overheating and tried to reinstall windows. Now, once the first part of installation finishes, and the computer restarts, it will say "getting devices ready" and then simply shuts down. I get no error messages and no error codes.

Interestingly, while running from a live CD, or just sitting in BIOS, the computer runs fine, and will never shut off.

I ran some tests from Hiren's boot CD, including stress tests. Nothing is failing or overheating and the computer isn't shutting off. I am at a bit of a loss for what I should do, nothing has errors, but the computer still just shuts off when windows is running/installing.

I would love any help you can offer, and would be glad to do my best to answer any questions!

edit: I reseated the cooler after adding thermal paste, and also tried a different cooler with added thermal paste (bought another because I wasn't sure if the processor would come with one)
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a b * Windows 8
October 12, 2014 6:44:22 PM

Replace the PSU with a good quality one eg Seasonic M12II 520 - $67 at Newegg.
October 12, 2014 6:41:34 PM

i7Baby said:
The CPU cooler isn't on properly and the CPU is heating up and shutting down.

Re-seat the cooler.


I reseated the cooler after adding thermal paste, and also tried a different cooler with added thermal paste (bought another because I wasn't sure if the processor would come with one) Also, I ran some tests on Hiren's boot CD and nothing was overheating or giving any errors.
a b * Windows 8
October 12, 2014 6:14:01 PM

The CPU cooler isn't on properly and the CPU is heating up and shutting down.

Re-seat the cooler.

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