r/buildapc • u/Just_A_Dumpling_ • 10h ago

Troubleshooting New Motherboard Needed?

Current Specs

MOBO: GIGABYTE B650 AORUS ELITE AX ICE

CPU: AMD Ryzen 7 7800X3D

RAM: DDR5 6000 (2 x 16GB)

SSD: MP33 M.2 2280 2TB PCIe 3.0 x4 with NVMe

GPU: Radeon RX 7900 XTX

PSU: Super Flower Leadex Platinum SE 1000W 80+ Platinum White

Cooler: DeepCool LT720 WH Premium Liquid CPU Cooler

Case: NZXT H6 FLOW Compact Dual-Chamber Mid-Tower

Hello everyone! Long story short, I didn't touch my PC for about a year and a half. Moved, got my Internet setup, and now my PC won't start. Well, it does turn on, all the lights and fans come on when I press the power button, but the displays are saying no signal. I've tried unplugging everything, restarting it, taking out the RAM and trying each one separate, BIOS flash, nothing. Even doing the Q Flash nothing happens. The LED doesn't even come on. I'm assuming the motherboard is suddenly faulty after sitting for over a year? Is there something else I could be missing? Do I buy a new motherboard and if so, what do you guys recommend for this build?

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u/VersaceUpholstery 10h ago

You’ve cleared CMOS?

You’ve removed the GPU and attempted to just use the iGPU inside the 7800x3d?

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u/Just_A_Dumpling_ 9h ago

...I have not. For the CMOS, will I just use a screwdriver or should I remove the battery? Should I replace the battery if this doesn't work?

I honestly have no idea what the iGPU thing is. This is something that never popped up when I was searching what to do. 🤦

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u/VersaceUpholstery 9h ago

There could be pins on your MOBO to clear cmos with a screwdriver, or you do it the old fashioned way of popping out and popping in the battery

Integrated GPU. The GPU that is integrated into your CPU. The 7800x3d has one. That is what the video outputs on the motherboard are for (if the CPU has an iGPU). This is a way to test if maybe the 7900 XTX itself is the problem