, the most reliable and verified method is using a through the F10 Setup menu . Core Update Process (F10 Flash Method)

SATA mode changed from IDE to AHCI (or vice versa). Solution: Enter BIOS → Advanced → SATA Emulation → Set to your original mode (likely IDE). Reboot. Then switch modes cleanly via Windows Registry if needed.

The most reliable way to update this specific model is through the BIOS’s built-in "Flash System ROM" utility, which avoids potential conflicts within Windows. HP Compaq DC5800 Kernel Panic on Ubuntu: Fix - Chalk Ridge