Updating the bios hp and compaq
The only keys that seems to work are CTRL ALT DEL as it restarts the laptop and CAPS LOCK, FN keys.
This would be the preffered choice, unless you're already standing right next to the server.
This article aims on providing information on flashing your system BIOS under Linux.
Most manufacturers provide a Windows executable or a BIOS executable that can only be run under Windows.
If the kernel didn’t do sanity checking your box would crash. Hit yes to overwrite it and then unmount the image.
As it stands it simply causes an interrupt (the screen flashing) and then it’s caught.