The PC is from around 2014, It was my first pc which I did use for years but stopped back in 2019 when I upgraded. As far as the PSU's I tried the stock OEM one which it came with (450Watt) and I have recently parted out a CoolerMaster Extreme 2 525Watt from another old PC. Both PSU's are old...
I am currently fixing up my old DELL XPS 8700 computer after a few years without using it. Long story short, pressing the power button doesn't do anything to the pc, nothing happens...sometimes. Occasionally the pc will start with a delay after hitting the power but not frequently enough not to...