Why doesn’t my USB-C cable work properly?

01-30-2023

1. Please make sure your laptop's USB-C port supports DisplayPort Alt mode.
 

2. Please make sure the purchased cable is certified by USB-IF and has features that include power delivery and video/audio/data transfer functionality.
 

3. It is recommended to use the certified USB-C cable which is attached to the BenQ product box

Applicable Models

EW2780U, EW3270U , EW3280U , EX2780Q, EX3203R, EX3501R , GW2785TC, PD2705U, PD2710QC, PD3420Q, SW270C , SW271, SW271C, SW321C

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