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Asus L406M Liquid damage, not turning on, no LED repair

From Repair Wiki
Asus L406M Liquid damage, not turning on, no LED repair
Device Asus L406M
Affects part(s) Motherboard
Needs equipment multimeter, soldering iron, soldering station
Difficulty ◉◉◉◌ Hard
Type Soldering


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Problem description

Repairing a water damaged L406M laptop.

Figure 1

Symptoms

  • Corrosion
  • Not turning on
  • LED not illuminating

Solution

  • the most damage was done in the area marked J5601 on the board.
  • some contacts of resistors and other chips were corroded there.
  • after repairing the contact to the board via soldering, the machine started.