MacBook Pro late 2011, suddenly doesn’t boot.
MacBook Pro late 2011, suddenly doesn’t boot.
Problem is:
When I press power button I hear usual starting clicking noise and the sleep light lit for 1 second, and the screen stay blank.
What I did…
- Remove second bank of RAM, Exchange Ram Stick, and Replace RAM.
- Remove Hard Disk (SSD)
- Remove all external wire connection to computer (USB, LAN, Charger …)
- Clean with compress air CPU Fans (Was clean)
(Battery is fully charged, 8 green light )
There is one time the screen Password Reset Screen appears, in upper left menu, I choose to reboot.
Thanks for your help and advise.
MacBook Pro 15", macOS 10.13