Ga door naar hoofdinhoud

After water exposure, high fan speed

Water spill on my MB Air.

Replaced the logic board.

Batteries will not charge (a separate issue), so I start it up with the magsafe plug attached.

Boots like normal, but by the time it gets to the login page, the FAN IS RUNNING AT MAX.

The fan speed gradually increases over the first ~30sec after booting.

Any suggestions are greatly appreciated...

Beantwoord! Bekijk het antwoord Dit probleem heb ik ook

Is dit een goede vraag?

Score 2
7 opmerkingen

Did you replace the thermal paste when you reassembled it?

door

Good call Reed--that would've been a good explanation. But I DID use Arctic Silver when installing the new logic board.

door

Ok. Well, I hate to do this to you, but I have no idea. Sorry I could't help.

door

Not sure if this was the solution or if I got lucky with the timing:

I went ahead and reset the System Management Controller

https://support.apple.com/en-us/HT201295

And everything booted up appropriately after that!

door

Well, as a side thought, there may be a thermal sensor somewhere on the board that is shot.

door

2 commentaren meer tonen

Voeg een opmerking toe

2 Antwoorden

Gekozen oplossing

Check both sides of the trackpad cable, the trackpad PCB and I/O cable for liquid damage and burnt pins. If any of these have issues or are not recognised it will cause the fan to spin high speed.

Was dit antwoord nuttig?

Score 2
Voeg een opmerking toe

Try changing the fan speed in settings.

Was dit antwoord nuttig?

Score 1
Voeg een opmerking toe

Voeg je antwoord toe

dcquickdraw zal eeuwig dankbaar zijn.
Weergavestatistieken:

Afgelopen 24 uren: 0

Afgelopen 7 dagen: 0

Afgelopen 30 dagen: 2

Altijd: 4,747