If your laptop battery isn't removable, it may be unable to boot if the battery cell has died, even when connected to AC. Plus, laptops very much do have inter

If your laptop battery isn't removable, it may be unable to boot if the battery cell has died, even when connected to AC. Plus, laptops very much do have internal button cells and typically will either throw an error when booting or require a complete reinstall of the OS if something happened to the encryption key system along the way. Might want to have a linux install media (DVD + USB stick) available just in case.