Question
On the AS -C521D (MB: CARAM5-M), if "Show hidden devices" is enabled in Device Manager under Windows 11, “USB4 Virtual Power Coordination Device” and “RtkFilter()” appear under "Other devices." Is this expected behavior?
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Answer
Yes, this is expected behavior. The "USB4 Virtual Power Coordination Device" is a native Windows 11 driver related to USB4 functionality, and the "RtkFilter()" entry is used for communication between the driver and its associated service. Both entries are normal and can be safely ignored.

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FAQ ID:
43351
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Date Posted:
07/04/25
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