PC powers off after new Pure Rock be quiet CPU cooler installed

I decided to upgrade my PC as it was fairly noisy, this was due to the stock CPU heatsink fan and the case fans.

So I bought myself a new case and a Pure Rock Be Quiet heatsink.

Transferred my components across to my new case powered the PC up and it ran fine as expected, until I started playing games after about one minute into FIFA 17 locked at 60FPS the PC just shuts down without any warning.

I believed this to be an overheating issue so I fiddled around with everything, moved some things, refused to believe it could be my brand new cooler as the temps recorded from the CPU topped about 34C when gaming and was the temperature when the PC would shut off.

I then replaced the new cooler with my old stock cooler and the PC now plays games fine without causing it to shut off, even though the CPU temp is now around 68C when gaming.

My next thought was maybe the PSU? I have a 500 Watt PSU and using a PSU calculator with my components it appears to be enough to handle what it’s running.

My specs are:

  • AMD FX-8350
  • (2x8GB) DDR3 1600MHz RAM
  • Gigabyte GA-970A-DS3 Socket AM3+ 7.1 Channel Audio ATX Motherboard
  • Coolermaster Elite Power 500W Fully Wired Efficient Power Supply
  • Crucial 64GB M4 SSD – 2.5″ SATA-III – Read 500MB/s Write 95MB/s
  • 1 TB HHD
  • EVGA Nvidia GeForce GTX 1050Ti

I am at a bit of a loss to what could be causing the issue, the only difference between the stock cooler and the new cooler is that the stock cooler has a latch that you pull down once it’s hocked onto the brackets around the processor which secures it in place, where as the new cooler just hooks onto the bracket and is just secured into place by tightening the screws on the bridge that hooks onto the bracket, maybe it’s not fully connected onto the CPU even though it doesn’t appear to have a gap between the heatsink and the processor and when you remove it the processor appears to be covered in the thermal paste from the heatsink which would suggest it’s touching?

The only thing I can think of is the PSU? Or maybe the motherboard? any other suggestions or has anyone dealt with something similar?

Note, it’s not just FIFA it does this, I ran the benchmarks for GTA V and got the same result.

Answer

My guess (that’s all it is, an educated guess) is that the bios has a safety check for fan speed, and as this is a ‘quiet’ model, it’s likely running a lot slower than the stock fan and so the bios may think the fan has failed.

I believe this, because the system shutting off at 36c seems odd (it’s no where near overheating) but it maybe near the point at which the system would try and increase the speed of the fan. Something that wouldn’t always happen with a slower fan setup.

I’d suggest checking in the bios for a fan speed alarm, and seeing if you can disable this (while keeping an eye on your fan and making sure it is working as expected). Sometimes it’ll be configurable.

Sometimes there maybe a bios update that’ll also help.

Attribution
Source : Link , Question Author : BenYeomans , Answer Author : djsmiley2kStaysInside

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