| Nintendo Switch No fan spin and not charging joycons Repair | |
|---|---|
| Device | Nintendo Switch |
| Affects part(s) | Main Logic Board |
| Needs equipment | multimeter, soldering iron, soldering station |
| Difficulty | ◉◉◉◌ Hard |
| Type | Soldering |
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Problem description
No fan spin and not charging joy-cons
Symptoms
- No fan spin
- not charging joy-cons
Solution
- Issues with fan circuit. You can use a voltage injection trick where you briefly inject voltage into the fan (in circuit) to bring the mosfet back to life. Here's A Guide. If voltage injection doesn't work, replace the mosfet above M92T36.
- Issue can also be caused by a bad CPU fan.