|You mean cold solder joint?|
Unplug and remove battery, then press power button a few times or let sit over night. Then try again.
You can investigate power and battery issues maybe.
Not much anyone can do with that stuff. Not worth the time to play with it usually and you can't get parts or data to fix it.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.