ZBook G8 Mobile Workstations with Apple USB-C to VGA dongle connected monitor Device Manager might have a
with the following error message:
![](/wcc-assets/document/images/193/c07767738.jpg)
Device Descriptor Request Failed
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No function lost is seen.
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No resolution/refresh rate downgrade or malfunction.
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Cannot duplicate this issue with HP C to VGA dongle.
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Issue can be observed only in Device manager.
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This is industry issue which can be reproduced on several platforms including Intel reference board.