| MacBook Pro A1990 No image, EDP PANEL PWR EN missing repair | |
|---|---|
| Device | MacBook Pro A1990 |
| Affects part(s) | Motherboard |
| Needs equipment | multimeter, soldering iron, soldering station, BGA rework station |
| Difficulty | ◉◉◉◉ Specialist |
| Type | Soldering |
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Problem description
A1990 MacBook taking 20V and 1.4A at the first kick then 20V 0.9A and the current was dropping down to 0.8A -> 0.6A -> 0.4A
Symptoms
- No image on LCD
Solution
Bad GPU, solved with GPU replacement.