Re-establish communication in your MacBook Pro.
Connects the left I/O board to the logic board. Identify by 821-0450-A and 632-0429-A printed on part.
- 2.33 GHz (Model A1212) 17" MacBook Pros
Option 1 / Used, fully tested
Lifetime Warranty - This iFixit product is guaranteed to function as long as you have it.