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Deze versie is geschreven door: Faisal Gondal ,

Titel:

Keyboard and Trackpad unresponsive, liquid damage on logic board

Tekst:

I bought a MacBook air with unresponsive keyboard and Trackpad. I was told it had not suffered liquid damage, so I thought it'd probably be a case of replacing keyboard and or Trackpad with ribbon, but off course when I opened it up, I noticed there were some liquid damage marks underneath the logic board.
I cleaned this out with isopropyl alcohol and left it to dry. I can't see any resistors etc missing off the board. Connectors also look ok visibly. Put it back together and still the same issue.
I know the issue is on the logic board as I've tried another board from a similar MacBook and keyboard and Trackpad came to life.
I'm looking for some advice as to where exactly on the logic board should I be looking for any particular issue relating to the Trackpad/keyboard please?
Picture of cleaned up logic board is attached.
[image|1974293]
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Thanks

Apparaat:

MacBook Air 11" Mid 2012

Status:

open

Origineel bericht door: Faisal Gondal ,

Titel:

Keyboard and Trackpad unresponsive, liquid damage on logic board

Tekst:

I bought a MacBook air with unresponsive keyboard and Trackpad. I was told it had not suffered liquid damage, so I thought it'd probably be a case of replacing keyboard and or Trackpad with ribbon, but off course when I opened it up, I noticed there were some liquid damage marks underneath the logic board.

I cleaned this out with isopropyl alcohol and left it to dry. I can't see any resistors etc missing off the board. Connectors also look ok visibly. Put it back together and still the same issue.

I know the issue is on the logic board as I've tried another board from a similar MacBook and keyboard and Trackpad came to life.

I'm looking for some advice as to where exactly on the logic board should I be looking for any particular issue relating to the Trackpad/keyboard please?

Picture of cleaned up logic board is attached.

[image|1974293]

Thanks

Apparaat:

MacBook Air 11" Mid 2012

Status:

open