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MacBook Pro A1989 "Braindead" repair: Difference between revisions

From Repair Wiki
(Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Any shorted subrail on A1990 machines can cause the machine to hang on POST.thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook hanging on POST ==Solution== *Thermal imaging can reveal abnormal heat caused by a shorted component. *This condition is most frequently caused b...")
 
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{{stub}}
{{Repair Guide
{{Repair Guide
|Device=
|Device=MacBook Pro A1989
|Affects parts=
|Affects parts=Motherboard
|Needs equipment=
|Needs equipment=multimeter, soldering iron, soldering station, thermal camera
|Type=
|Type=Soldering
|Difficulty=
|Difficulty=3. Hard
}}
}}
{{stub}}
==Problem description==
==Problem description==
Any shorted subrail on A1990 machines can cause the machine to hang on POST.[[File:Placeholder image.jpg|thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it!]]
Any shorted subrail on A1989 machines can cause the machine to hang on POST.[[File:Placeholder image.jpg|thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it!]]
==Symptoms==
==Symptoms==
*MacBook hanging on POST
*MacBook hanging on POST

Latest revision as of 15:25, 29 October 2023

MacBook Pro A1989 "Braindead" repair
Device MacBook Pro A1989
Affects part(s) Motherboard
Needs equipment multimeter, soldering iron, soldering station, thermal camera
Difficulty ◉◉◉◌ Hard
Type Soldering


This article is a stub. You can help Repair Wiki grow by expanding it

Problem description

Any shorted subrail on A1989 machines can cause the machine to hang on POST.

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

Symptoms

  • MacBook hanging on POST

Solution

  • Thermal imaging can reveal abnormal heat caused by a shorted component.
  • This condition is most frequently caused by a SSD subrail, such as the 2v7 SSD power line.