Question how can I know if my motherboard is working

Jun 27, 2022
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when I try to turn on my pc, nothing works even the fans.
but there is a red light on the motherboard
does that mean there is electricity and the motherboard is working perfectly or do I need to change it
 
Jun 27, 2022
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If you have a broken cpu pin then that can stop the system working and cause an error light on the motherboard. Check the motherboard manual to see what the light means.
if I got a new cpu, can I try working the pc without the cooler just to see if the motherboard will work or I must install the cooler?
 
Jun 27, 2022
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Please give us some details on this system.

Primarily, Intel or AMD?
This has major impacts on the "bent pin" situation.

But no, do NOT run it with no cooler. At all.
cpu: amd ryzen 7 3700X
gpu: rtx 3070
motherboared: ASUS AM4 TUF Gaming X570-Plus (Wi-Fi)
the cpu cooler I wanted to change was cooler master Hyper 212