Hello, everyone i have acer aspire 4520 laptop
when we start my laptop and press F2 Button and open Boot Menu when we use ( left , right buttons on keyboard and change Tab ( Information, Boot, Exit ) so it work could not held.And when we change Tab ( Main , Security,)using left right key on keyboard then system is totally Hang. and after 1 minute shutdown automatically. power off And next time when we press on button the laptop can not start.
Some times when we start my laptop so the laptop is not start and power off in 2 seconds. or system boot automatic.
Please tell me what can i do to fix this problem.