Macbook Pro 13 Unibody Troubleshooting
The 13" MacBook Pro Unibody is an update of the 13" Unibody MacBook. Troubleshooting is fairly straightforward. Your computer will not boot. If your computer beeps three times, there is a RAM issue. Either you have insufficient RAM to boot, or the RAM you do have is faulty. First, access the RAM slots and ensure you have RAM installed. If you have two chips, first reseat them and try again. If that doesn’t work, try one chip at a time to see if one of the chips prevents the machine from booting....