Motherboard dead?

Syponj · April 18

So I did some stupid things today.

After messing with the bios, the PC stop booting up remaining in an constat restart cycle. After that I search of methods to clear the bios.

First I took out the CMOS battery and press the power in order to reset the setting. That didn't work out so I found you could flash a new bios version by using Q-Flash with a USB stick without needing the RAM or CPU installed in the MOBO. Now after doing that the PC powered on but didn't POST and I got the CPU light on. In an attempt to fix that I tried to refit the CPU, but now it doesn't power on at all.

I removed everything step by step in an attempt to try isolate the problem by nothing came on. I removed everything from the MOBO except the 24 and 8 pins in an attempt to see if the MOBO RGB light come on at least, but nothing. I tried again resetting the Bios in an attempt to see if I could get any power, as by using Q flash the MOBO powers on and then shuts down, but again it didn't work.

Did I kill the motherboard? I also read that it could be a CMOS battery problem but I don't think is that, I think I screwed up somehow when I refit the CPU. I don't have any way to test the part separately.

PC spec:

MOBO: Gigabyte B550 Aorus Pro V1.0
AMD Ryzen 3700X
Sapphire Radeon 5600XT
16 gb ddr4

Godlygamer23 · April 18

When you removed the CMOS battery, did you turn off power to the power supply or disconnect it from the wall, and then hold the power button? That's a requirement when resetting the BIOS utilizing that method. If the system is still getting standby power, the CMOS chip will remain powered, even without the CMOS battery being present.

Syponj · April 18

39 minutes ago, Godlygamer23 said:

When you removed the CMOS battery, did you turn off power to the power supply or disconnect it from the wall, and then hold the power button? That's a requirement when resetting the BIOS utilizing that method. If the system is still getting standby power, the CMOS chip will remain powered, even without the CMOS battery being present.

I turned off the power supply and disconnected it from the wall.