Booting the computer system involves loading an operating system from the various boot devices like drivers, network, and USB drives when the computer is switched on. Once the startup sequence ...

If there are multiple drives installed in the computer, then it can create confusion as to which drive has a Bootloader. This scenario usually happens when Master Boot Record is on the wrong drive.

Hi.. I'm currently back on macOS but ran Ubuntu 20.04 on my iMac for ~4 months exclusively. As in no macOS install at all. Purely Ubuntu. At least once a month, my boot disk would revert to read only.

I think I might need a recovery sort of disc for my relative just in case, but this is for an HP box that only came with the wipe&reimage kind of "recovery" disc.<BR><BR>Or should I just make a copy ...