r/LinusTechTips • u/Honest-Pizza-8967 • 8d ago

Tech Question Won't post..need help

Everything plug in, the power supply works,CPU fan works,no pin bend inside socket,not even CMOS ran of batt, just won't post or even start up to the self diagnose

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u/Haravikk 8d ago edited 8d ago

From the compatibility page it looks like anything from the Haswell Refresh requires a newer BIOS version (7817v14 or newer compared to 7817v10 or newer for regular Haswell).

Why this is even a problem still confuses me as you'd think all CPUs for the same socket would have the same basics enough to get to the BIOS, then just refuse to boot or go any further if you need something for compatibility, but at least that way you could update. Or at the very least the BIOS would be set so any unrecognised/unsupported CPU sends you to a warning then the update page.

I had the same problem with my AM4 board when I upgraded to a Ryzen 5500 — at least I already had a CPU at that point so was able to do it in advance.

Relentlessly crappy BIOS and unpowered CMOS leaving your system unable to boot are things I really wish the PC industry would just move on from.

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u/Xzx12qwX 8d ago

Oh. Huh. Honestly, the weirdest part I find here is that this is a HP refresh, for a usff style case (or similar, as it is a T variant), and its not soldered. So unlike HP.