Does this provide any information about the PSU?
Output: +3.3V@16A, +5V@20A, +12V@45A, -12V@0.5A, +5VSB@2.5A
https://www.amazon.com/gp/product/B08BX5TBJ2/ref=ewc_pr_img_2?smid=AEHA1AAWZIC3L&psc=1
https://support.hp.com/us-en/document/c03599666
There are 4 beeps ( 1 second after each) then 2 seconds, it then starts again. On this link it says that its a power failure.
I unplugged all the PSU cables from the components and only connected the Mobo and one case fan. The case fan and Mobo turned on for a few seconds but then turned off (the same 4 beeps followed)
I am using a z420 motherboard and when I power it on it turns on for a second then shuts off, then continues with 4 beeps. This indicates a power failure, but I don't understand if its the power supply or the motherboard. I used the paper clip trick on my power supply and the fan spins. I...