Apple's line of MacBook Pro laptops was intended for the professional and power users. The MacBook Pro line includes the MacBook Pro 13" Unibody, MacBook Pro 15", MacBook Pro 15" Unibody, MacBook Pro 17", and the MacBook Pro 17" Unibody.

13582 Questions View all

MacBook Pro a1278 starts up with lock symbol I don't no passwordu

purchased of craigslistit worked then died and now a lock come on screen don't no password

Answered! View the answer I have this problem too

Is this a good question?

Score 0
Add a comment

2 Answers

Chosen Solution

Pull one of the RAM sticks. On the first reboot reset the PRAM, here's how:

Was this answer helpful?

Score 3
Add a comment
Most Helpful Answer

There are 2 possible solutions here . Contact the person you bought it from and ask for the password . or reformat it and load a new OS

Hope this helps

Was this answer helpful?

Score 3


I see thank you a lot so if necessary how do I reformat



follow the link i sent to reinstall the OS


Add a comment

Add your answer

jimmy will be eternally grateful.
View Statistics:

Past 24 Hours: 1

Past 7 Days: 5

Past 30 Days: 15

All Time: 308