Question GPU shutsdown on 70 Degree Celsius Temp

Aug 11, 2020
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Been swapping some parts i have on hand..

I added a RX 580 4gb GPU on a A68HM Mobo with A8 7650 CPU..

Tried some games and put them in mid to high settings..but everytime the temp goes to 70-75 C. It shuts down..

I cleaned it all and replace thermal paste both GPU and CPU.

What could be the problem?
Is it bottleneck that cause it?
 
-----> but everytime the temp goes to 70-75 C. It shuts down..

GPU or CPU-temperature?

GPU can go much higher and starts throttling, when reaching more than 90-95 degree ( I do not know the exact point), but not shutting down.

looks like CPU-issue.