|For how long?|
If forever then reboot and look at event logs maybe for clues.
It is an odd issue.
Maybe boot to bios and just see if that happens also in bios screen. You'd know if you can't tab between choices. Be sure not to save any changes in bios, we just want to observe behavior.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.