Acer extensa laptop won't turn off?

Question

Iron

Good evening everyone.
Acer laptop problem. When you turn off the screen goes blank, but the light continues to burn, the laptop itself does not turn off either.
The problem is under both Windows and Ubuntu.
How to be?

Answer 1

First, flash the BIOS to the latest version
, if it doesn’t help, then go to the service center for diagnostics and most likely to replace the EC controller

Answer 2

try to remove the hard drive - see if it starts without it, you can definitely go into the BIOS, and if it doesn’t help, then one RAM chip, if there are two of them, try