Can you see the Acer logo, or just nothing?
Try the following:
Clear all the residual charge on the laptop.
Shut down the computer and disconnect it from the AC source.
Remove the battery in back of the laptop.
Press the power button and keep it pressed for about 30 seconds.
Release the power button and don't do a thing with the laptop for a minute.
After a minute, replace the battery and start the computer.
Retired - Doin' Dis, Dat, and slapping malware.