Hey everyone, I'm having a frustrating issue where my PC keeps crashing, and I can't seem to pinpoint the problem. Here are my specs: AMD Ryzen 9 7900x CPU, AMD RX 6800 XT GPU, Gigabyte B650m mainboard, 16GB Crucial Technology DDR5 4800 RAM, and a Silverstone 750W Gold S Series PSU.
The crashes happen randomly, usually during gaming or when the system is under high load. When it crashes, my screen goes black, and the BIOS settings page pops up. I can't get past it; no matter what I do—resetting to default settings, saving, or exiting without saving—the computer just resets and immediately goes back to the BIOS. It also shows a 'no bootable device found' message. However, if I turn off the power at the switch and then turn it back on, Windows loads normally, so it seems to find the bootable device after that. I've checked my SSD's health with Crystal Disk, and it's fine. My GPU temperatures appear normal too. I'm starting to wonder if my power supply might be the culprit. Any ideas? Thanks!
3 Answers
Those DDR5 speeds seem a bit slow. The SSD acting up is strange; definitely check all the connections. By the way, what's the brand of your SSD?
When you see the 'no bootable device found' message, is your SSD showing up in BIOS at all? It sounds like it isn't. I recommend reseating your SSD (if it’s NVMe) or checking the cables if it’s SATA. If you're using SATA, maybe try swapping out the data cable too.
Did you put the PC together yourself? Also, DDR5 2400 isn't really available (usually you find speeds starting from 3600/4800). Could just be that something isn't seated properly. Make sure to reseat your SSD. Unfortunately, you don't have another M.2 slot to test the motherboard's PCIe lanes.
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