>On Mon, 11 Oct 2021 at 08:59, Grizzly via ubuntu-users >> which was working fine writing the BIOS >> (AFAICS) until Win7 crashed IIUC the issue already started before changing jumper positions and replacing the battery, so my previous guesses are moot. The computer not necessarily became a bookend. https://www.wikihow.com/Repair-Corrupted-BIOS-Firmware