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

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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.