Dell Inspiron 7567 won't turn on, what should I do?

Question

laptops

Dell inspiron 7567 won't turn on after being unplugged 3 times in a row (worked without battery). When turned on, the power indicator signals with blinking combinations about a specific error 3 + 5, but this combination is not in the laptop service manual. The service shrugged and did nothing to help.

Answer 1

1) Check the BIOS battery
2) Connect the power and hold down the power button for 30 seconds.

Answer 2

I did

From you 500r for diagnostics

The service shrugged and did nothing to help.

take it to an authorized dell service - they will better deal with your laptop