If you own a Toshiba laptop (especially older Satellite, Tecra, or Portégé models) and have recently installed Linux, you might have spotted a cryptic error during boot or in dmesg :

Laptop model: Toshiba Satellite Pro C50 / Kernel: 6.1.0 / Distro: Debian 12

sudo nano /etc/default/grub Add to GRUB_CMDLINE_LINUX_DEFAULT :