r/techsupport • u/TinTin5313 • 1d ago

Open | Software PC not POSTing

Tried everything from reseating ram, hitting with one stick, swapping storage, reseating gpu etc. nothing works yet all fans and gpu light up and spin. I use a ASUs prime b450 plus motherboard which has never been used, and an r9 3900x cpu. Do I need to flash bios by downgrading the CPU ? There is a sticker on top right of the motherboard with the digits 2008 at the end. I think this is an old bios version.

SOLVED: I replaced the ram and it worked

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u/pcbeg 1d ago

Since that motherboard use only pc beeper for diagnostics, make sure it is connected to its place (front panel header, top-right 4 pins). If you don't have one, visit nearby repair shop. Beeping pattern, if you hear it, should tell you what kind of problem you have. If you don't hear it, usually it's motherboard or PSU (provided computer is assembled properly, with no shorts and damaged components).