Newly Build PC switching off when playing games.

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stirling120

Jul 2, 2018
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Hi, I finished building my PC yesterday and after 5 minutes of playing a game (Have tried Rust and Dota 2) my PC immedietly switches off without warning. I am unable to switch it back on unless I remove power to my PC by switching it off by the mains. I installed HWMonitor and checked while playing Dota 2 and my GPU temps stayed around 60 and my CPU around 50.

My Specs are:

GPU: GTX 1060 6GB
CPU: Intel Core i5-8600k 3.60GHz Hex Core
RAM: Corsair Vengence 2x8GB DDR4 RAM
PSU: Corsair CX500M Semi Modular 500 W power supply
Motherboard: Gigabyte Z370P D3
CPU Cooler: Cooler Master Hyper 212 EVO CPU Air Cooler
SSD: Kingston 480GB SSD
HDD: 1TB Hard Drive

Any help would be greatly appreciated.
 
Solution
neiler0847
That's a broad range for idle. My CPU for example, is rock solid at 26 degrees under idle or light load (GPU is 42).

Assuming stable drivers and software, I would focus on temperatures and power delivery.

Make sure that your temperature readings are actuals, rather than "above ambient". It does depend on the software you are using to measure. I use CoreTemp for measuring the CPU. I also like HWiNFO64 for broader measurements.

Your PSU is probably okay, but is on the low side for power and quality. You do have some really nice components, and I would be inclined to protect them with a much better PSU. Do you have access to a better unit to try?

Is the machine plugged in to a good power source (i.e. are you getting clean power...
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stirling120

Jul 2, 2018
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All drivers are up to date, re-checked multiple times.
When i'm not playing a game everything runs perfectly. At idle my CPU temps are 25-35°C and GPU is 45-50°C
 
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neiler0847

neiler0847

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Mar 25, 2015
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That's a broad range for idle. My CPU for example, is rock solid at 26 degrees under idle or light load (GPU is 42).

Assuming stable drivers and software, I would focus on temperatures and power delivery.

Make sure that your temperature readings are actuals, rather than "above ambient". It does depend on the software you are using to measure. I use CoreTemp for measuring the CPU. I also like HWiNFO64 for broader measurements.

Your PSU is probably okay, but is on the low side for power and quality. You do have some really nice components, and I would be inclined to protect them with a much better PSU. Do you have access to a better unit to try?

Is the machine plugged in to a good power source (i.e. are you getting clean power from the wall plug?) Are there lots of other things plugged in?
 
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