The boot procedure and some operating system routines were contained in an additional 64 KB ROM chip. The heart of the computer was a Motorola 68000 microprocessor running at 7.8336 MHz, connected to 128 KB RAM shared by the processor and the display controller. Upon the release of its successor, the Macintosh 512K, it was rebranded as the Macintosh 128K. Sales of the Macintosh were strong from its initial release on January 24, 1984, and reached 70,000 units on May 3, 1984. The Macintosh was introduced by a television commercial entitled " 1984" shown during Super Bowl XVIII on Janu and directed by Ridley Scott. The motherboard, a 9 in (23 cm) CRT monitor, and a floppy drive were housed in a beige case with integrated carrying handle it came with a keyboard and single-button mouse. It played a pivotal role in establishing desktop publishing as a general office function. The Apple Macintosh-later rebranded as the Macintosh 128K-is the original Apple Macintosh personal computer. Motorola 68000 7.8336 MHz (6 MHz effectively) Pickup and Delivery is available for your convenience.January 24, 1984 38 years ago ( )
#Macbook pro 13 logic board 2011 free#
Mission accomplished.ĭoes your Apple Mac have the same problem? Check our Apple Mac Repair services and Contact us now for a Free Quote. Try out other functions such as wireless, keyboard, touchpad to make sure it’s working properly.Īll are working perfectly as they should be.
#Macbook pro 13 logic board 2011 mac os x#
The laptop turns on fine and booted into Mac OS X normally. With new screen, new logic board, new heatsink installed, the rest of this job is simpler. Always wear gloves and safety glasses to avoid injuries.
Have a replacement glass cover in case you broke the original one. Heat up the glass cover with a heat gun and remove it with a suction cup.Ĭarefully remove the glass cover and make sure not to damage or burn anything underneath. The glass cover is fragile and may break when you attempt to take it out.
The screen is behind a glass cover, replacing the screen means we need to remove the glass cover first. Replacing screen for Apple MacBook Pro unibody laptops is never an easy job. Now we have replaced both logic board and heatsink for this MacBook Pro laptop, next is to replace the screen. The board’s heatsink was not compatible and had to be replaced too. Now we have the replacement board, installing it brought up another issue. Unable to use the common A1278 logic board, we talked to our suppliers to source for an alternative Apple logic board with the same specs. This logic board, for some reason, is different from common MacBook Pro A1278 logic boards, it’s nowhere to be found in the market. We can now take out a replacement logic board and replace it. Testing has confirmed that this logic board is damaged and will need to be replaced.
Now we can have a look at the logic board. Make sure to disconnect other parts first. Now let’s remove the logic board from the computer. For this laptop, after extensive testings, we have determined that its logic board, heatsink and screen need to be replaced. More than one part will need to be replaced. The mission of rescuing this laptop won’t be an easy ride. This laptop may have suffered multiple water damages.
The laptop was soaked with water (lots of water, inside a bag) and was no longer booting up. One of the biggest challenges we have ever done! An Apple MacBook Pro 13 inch A1278 year 2011 laptop was booked in for repairs.
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