you connected your computer to a Computer or HDMI port on the projector, you also need to
connect the USB cable so you can use the pens with your
Connecting the USB cable also lets you set up the
remote control to act as a wireless mouse, but you cannot use this
feature at the same time you are using the pens with your
Note: You can
connect your computer's USB cable to the control pad instead of
directly to the projector.