I have a Dell Optiplex 3020 and this problem began months ago. The specs are a new GTX 1650 LP, new 8gb of DDR3 ram, and new SSD and the rest are stock dell parts. When I get into a game it looks perfectly fine and normal nothings wrong but suddenly it goes through the shutting down process. Yes, it says shutting down and it shuts down. After this occurs it reboots again and again. The fans spin the stop and again. The temperatures seem normal and it can't be the new things that I put in so I'm confused. To add I've also tested pulling out the power button cable and turning it on manually and it runs fine. Is that the problem? Can anyone help me? I would dearly appreciate it.
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