What can I do if my BenQ projection screen shrinks when Duplicate Mode is applied in Windows?
The displayed image ratio shrinks because the projector adjusts the displayed image ratio based on a received resolution which does not match the output resolutions the projector is designed for.
Please follow the steps below if you would like to have the displayed image remain intact:
Step1
Go to Windows Settings and select Display
Step 2
Select Advanced Display Settings
Step 3
Select Display 2: BenQ PJ, then click Display Adapter Properties for Display 2
Step 4
Select List All Modes, then choose an output resolution that your projector is designed for (as listed)
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