Question My PC won't boot after I restart it or shut it down ?

[ethriuz06]

Every time I restart my PC, it fails to boot up and instead shows a black screen, even though the machine is still running. This is incredibly frustrating, especially when I need to restart for updates. When I try to turn it back on, it often won’t boot. Occasionally, it will start after waiting about three minutes, but most of the time, I have to wait 30 minutes or even until the next day before it turns on again.

I suspected that my RAM might be the issue, so I tested my other RAM in a different PC, but I still encountered the same problem. I also replaced the CMOS battery, but that didn’t resolve the issue either. Despite this, I have no problems playing any games. This PC is five years old but can still handle most modern games. What frustrates me the most is that after shutting it down, when I come back a few minutes later, it either boots up or it doesn’t. This problem showed last year still couldn't figure out what is the cause of the problem.

PC Specs:
MOBO: MSI MAG B550 Tomahawk
CPU: Ryzen 5 3600
CPU COOLER: Jonsbo CR-1100
RAM: Gigabyte Aorus RGB 16gb 3200Mhz + kit
GPU:ROG Strix RX 5600 XT 6gb
SSD: Adata XPG NVME M.2 500gb
SSD: Patriot 240gb
SSHD: Seagate Firecuda 1TB
PSU: Seasonic Focus GX-650W Gold
CASE: Coolman Robin II ATX
CASE Fans: 9 Raidmax RGB

 

[Aeacus]

Occasionally, it will start after waiting about three minutes, but most of the time, I have to wait 30 minutes or even until the next day before it turns on again.

Either hardware fault (POST is stalling) or software (Win boot stalls).

To narrow things down;
Remove (unplug) all drives, including OS drive. This way, without any drives connected and no way to boot to OS, PC boots into BIOS as soon as POST finishes.

If build powers on fine, completes POST and reaches BIOS in reasonable amount of time, your hardware is sound. When exiting BIOS, PC reboots, does POST again and boots back to BIOS. You can do this loop few times to confirm that PC POSTs fine (just in case it boots into BIOS flawlessly 1st time around).

Now, if PC still stalls, then issue is with: CPU, MoBo, RAM, GPU and/or PSU.
RAM you already tested. 2nd one i'd test next would be GPU since that's responsible of creating an image. Since your CPU doesn't have iGPU, you need 2nd, dedicated GPU to test it out. You can also test your GPU in 2nd PC and look how it fares there.

 

[ethriuz06]

Thank you for replying. I'll try this method as soon as I have time. I'll get back here if something happens.