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  1. W

    Ask Imac 5K late 2015 -27 Inc A1419-820-00134 SMC problem

    Test with D key and diagnosis Result: With the SMC unit (System Management Controller). there may be a problem Reference code: PFM006 Since then, Bluetooth is no longer possible and the Intel i7-6700 only clocks at 800 MHz. It was only possible to install macOS Catalina 12.7, which took a...
  2. lagadatorumea

    Ask Macbook 820-4924 which "SMC" nr to use

    HI Guys, i know there are different smc for each macbook motherboard. Can anyone confirm if this SMC is correct for 820-4924 . The nr on SMC is: LM4FS1EH iS THAT CORRECT SMC?
  3. A

    Apple Is it possible to read out MacBook SMC?

    I'm trying to repair a fan spin issue on a MacBook Pro 5.3. The problem with the board is that after starting the 2nd+ time, the fan shortly spins up to full, then comes down to normal speed. I checked all electrical signals and compared them to another logicboard - no difference on first...
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