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The following procedure can only be performed by a licensed electrician. If not following all the safety precautions there is risk of electric shock.

🛠️ Tools required

  • 7mm spanner

  • Large Phillips screwdriver

  • Small Phillips screwdriver

Issue description: INCH DUO has a black screen even when powered on.

Sometimes this happens due to voltage fluctuations on the motherboard. Due to the voltage fluctuations, the powerboard will become corrupted in the process. In rare cases the SOM can also be corrupted.

To prevent the voltage fluctuations we recommend to replace the motherboard with never version that has different capacitor(H-1029-A) or add a specially crafted cable with the capacitor (IDENT).

Here you can access a guide for replacing the motherboard in INCH DUO: Replacing the motherboard - H-1029

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