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A1989 Touchbar and Keyboard light stop Working

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  • A1989 Touchbar and Keyboard light stop Working

    Hi Everyone
    Client took Macbook to local computer shop, They replaced A1706 Screen on A1989 Model 2018, after replacing they realize screen model given was wrong, so they replaced back to A1989 Screen, Now screen is working fine, brightness is also controlling fine but after that Touchbar and keyboard backlight not working at all.
    Any clue where should I start ?
    Thanks

  • #2
    Knocked off components, damaged connectors?

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    • #3
      Didn't found anywhere, where is the connection for touchbar , keyboard is working caps lock is working, anything common in these two connections

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      • #4

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        • #5
          What are the chances installing A1706 screen on A1989 model , can cause burn out some components

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          • #6
            Still waiting for if someone want to help me here ?

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