What could be causing your PC to fail to power on?
What could be causing your PC to fail to power on?
Hey there!
About two days ago I powered off my PC and then moved it away from the power cable. (I actually turned off the PSU first before disconnecting the cable, but I think this might have caused a problem since the PC wasn’t completely shut down.)
After that, it wouldn’t turn on at all. At first I assumed the issue was with the PSU, so I replaced it with a new one (the old one was 10 years old). But nothing changed. No lights, no fans—it seems like it’s not even connected to the socket. I tested three different cables and four different sockets, using other devices as well.
I reconnected all the cables, but nothing worked. I tried shorting the power pins on the motherboard to start it, but that didn’t help. I also used the power button and reset button on the motherboard, but nothing changed. I left the motherboard, CPU, and RAM connected, yet nothing happened.
I’m really puzzled—since these are the newest components in my PC (just about 4-5 months old), it’s hard to believe one of them is faulty. I’m also considering whether the motherboard, CPU, or RAM might be the problem, given how new they are compared to the rest.
Here’s a quick breakdown of the setup:
- CPU: Ryzen 7 7800X3D
- MB: NZXT N7 B650e
- GPU: Palit GeForce RTX 3070
- RAM: Corsair Vengeance RGB DDR5 2x16GB 6000MHz C36
- PSU (old): EVGA 850 GT
- PSU (new): Corsair RM850e
- 2 NVMe SSDs – Samsung 970 500GB or similar (OS disc) + 1TB WD Black SN850X
- 2 regular SSDs + 1 HDD
The only disc I haven’t tried disconnecting is the OS disc. Both the new PSU and the WD disc are brand new. The CPU, MB, RAM are only 4-5 months old; the GPU and OS SSD are about 3 years old; other SSDs are 4-5 years; the HDD and old PSU are nearly 10 years old.
Sorry for the lengthy explanation, but I’m really stuck. If there’s any possibility other than a complete motherboard or CPU failure, I’d like to try it before hiring a professional to diagnose further. Any suggestions would be greatly appreciated—my ideas are running out fast!
Absolutely. I removed all the previous items along with the old PSU.