Question PC crashes a lot after GPU upgrade

Jan 18, 2019
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Hello,

Recently I upgraded my Gtx 760 to the AMD radeon RX580, but ever since my PC has kept crashing randomly while playing games. And stopped turning on sometimes as well. (such as now)
On the motherboard the EZ debug lightof CPU has turned red.
I did also run the DDU software to get rid of the old Nvidia drivers.
I've tried a few things to fix it. But nothing has worked.
I tried:
Using old GPU, no GPU, reinstalling drivers, plugging the cables back into place firmly and running benchmarks e.g. to check if hardware is running well.

I've had this PC for a year and never had any troubles, until this upgrade.
It mostly happens when I am playing any game.
Does anyone know a fix, or what may be the issue in my system.

Hardware: https://pcpartpicker.com/list/BmH94q
Yes I am aware the the RX580 is recommended to have 500watt PSU.
 
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