-
For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.Subscribe Now
Search results
-
C
820-4924 Powers Up But No Chime or Display
Checked U1950 - looked clean but replaced anyway - unfortunately it hasnt made any difference. SMC has been reflowed also with no effect.- CRC2018
- Post #6
- Forum: Macbook Logic Board Repair Questions
-
C
820-4924 Powers Up But No Chime or Display
Checked for corrosion around U1900 - none visible. Replaced U1900 anyway from a donor board but same - still got cpu vcore but no chime/display. As for activity on USB - nothing at all with USB mouse or keyboard - if I plug a USB flash drive with a light on it though it does light up for a few...- CRC2018
- Post #3
- Forum: Macbook Logic Board Repair Questions
-
C
820-4924 Powers Up But No Chime or Display
Ok this one has gotten me completely stumped. Initially the macbook came in with water damage and the keyboard wasnt working. Opened it up and found Pin 4 of J4813 was burned away also some corrosion around Q7520. Replaced J4813 and cleaned up the area around Q7520 - turned on got to the boot...- CRC2018
- Thread
- Replies: 11
- Forum: Macbook Logic Board Repair Questions