Stephen P. Molnar wrote: > I have Debian 12 installed on my main computer.
how old is this machine? how old are the SSDs? do you power it down completely often? does it have a bios battery that has finally reached its EOL? were any updates applied recently that touched GRUB? > This morning, when I booted the computer , I got "GRUB ERROR>" and the > message that there was no operating system on the boot SSD. > > Fortunately, I have Debian 12 installed on two SSD's on the platform. I > shut down the computer, restarted it with F2 to open the BIOS and > selected the other SSD with Debian. When GRUB came up I was presented > the normal selection screen, The booting process continued normally with > the SSD that gave me the "GRUB ERROR>" initially. > > Then I shut down the system and restarted it. Normal start up!!!!!!!!!! > > Does anyone have any ideal as to what might be going on (yes, I know an > impossible question)? hopefully nothing serious, but ... make sure your backups are functional. songbird