The projector is connected to the computer and cannot be displayed full screen

XP System Method Steps

The first step: in the normal connection, we can do the following, in the blank space of the computer desktop right-click Properties

Step two: Under the Display property box, select the Settings option box to adjust the resolution to 1024*768, as shown below

The third step: click on the application, click Confirm, you can.

　Win7 Method steps

The first step: in the Desktop Space right button, select "Screen Resolution", the following figure

The second step: Click the resolution of the dropdown box, the resolution to adjust to 1024*768, click on the application, click OK, you can