(As always, this is a brief overview for our customers, not a complete “How-To” guide.

This required desoldering the old chip (again, on the BGA rework machine), then installing the new one.Īfter a considerable amount of work, the computer was reassembled, and passed the diagnostic tests with absolutely no problem.

Logic board with onboard 2.0 GHz Core i7 (i7-2635QM) processor. 5set/lot A1278 A1286 A1297 Motherboard Mainboard Screw Screws For Macbook Pro A1278 A1286 A1297 13' 15' 17' Logic Board Screw. However, the chip was likely to fail again, so now we had to permanently replace it with an updated, newer version of the same chip. For Macbook Pro 15' A1286 820-2915-B 820-2915 2011 Logic Board i7 2.0Ghz 256mb. This temporarily solved the problem, therefore showing that- yes- the chip itself was faulty. To confirm that the chip itself was definitely at fault, we heated it in our temperature-controlled BGA rework machine. This normally indicates a problem with the graphics chip, and although the computer was still usable at this stage, the chip was likely to fail completely in the near future. This Mac turned on, but the display was covered in stripes (as can be seen in the second photograph).

In this look at a Disc Depot repair, we’ll be showing you the replacement of the graphics chip on an Apple MacBook Pro (Model: A1286).

Apple macbook pro a1286 motherboard