Hey everyone, I'm having a major issue with my computer. It was working fine until yesterday when it suddenly refused to boot. The fans are spinning and the lights are on, but the display and peripherals are completely unresponsive. My specs are: Ryzen 5 9600x, ASUS PRIME B650 Plus Wi-Fi, 16GB of G.Skill FlareX5 DDR5 RAM, a 1TB Samsung 990 Evo NVME, a Gigabyte GeForce RTX 3070, and a Corsair CX750m power supply. I've tried reseating the RAM, GPU, and CPU, clearing the CMOS, and even using the BIOS flashback tool. I've also tested each RAM stick individually, but nothing works. Unfortunately, my motherboard doesn't provide any error codes or diagnostics, which makes it even more frustrating. Any ideas on what I can do next? I really appreciate any help!
6 Answers
Do you have access to a different hard drive you could try booting from? Sometimes a failing drive can prevent the system from completing POST.
Have you tried running any hardware diagnostics in the BIOS? Some modern motherboards usually have that feature. Also, you might consider testing with a different power supply if you can. You don't even need to install it; just set it next to your PC and connect everything. Keep the packaging in case you need to return it later!
Are you seeing any POST error codes or beep codes from your motherboard? That could help narrow down the issue if your board has that feature.

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