MacBook Pro A1990 No image, EDP PANEL PWR EN missing repair: Difference between revisions

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(Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==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 thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *No image on LCD ==Solution== Bad GPU, solved with GPU replacement.")
 
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{{stub}}
{{Repair Guide
{{Repair Guide
|Device=
|Device=MacBook Pro A1990
|Affects parts=
|Affects parts=Motherboard
|Needs equipment=
|Needs equipment=multimeter, soldering iron, soldering station, BGA rework station
|Type=
|Type=Soldering, Micro-Soldering
|Difficulty=
|Difficulty=4. Specialist
}}
}}
{{stub}}
==Problem description==
==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
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

Revision as of 16:20, 11 October 2023

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, Micro-Soldering"Micro-Soldering" is not in the list (Soldering, Teardown, Part replacement, Cleaning, Software, BGA, General) of allowed values for the "Repair Guide type" property.


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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

Example image (Figure 1) -- No image yet. Help expand this page by uploading it!

Symptoms

  • No image on LCD

Solution

Bad GPU, solved with GPU replacement.