PC starting only sometimes - Troubleshoot?

kefflon

Member
Hi, I recently built a PC out of a building fan heater case. It was working well until after one month. Now the PC switches off if I leave it for an hour or so. When I want to start it the fans start running, but the screen is black. If I restart it a couple of times it can start again.

Does anyone have a tip how I can troubleshoot? How do I go about it in the best way?

MOBO: MSI H 270I Gaming PRO AC

CPU: Intel Core i3 6100

GPU: MSI GeForce RTX 2060 AERO

RAM: DDR4 16 GB 2400 MHz

PSU: Corsair CX 430

OS: Windows 10
 

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