BenQ FP72V User Manual page 18

Should you wish to do so, this is where you can change the screen resolution (area and color).
See How to adjust the screen resolution
14. Click OK.
This will close the Display Properties window, and if you made any changes to the screen resolution,
Windows 2000 will prompt you for confirmation to effect the changes, and further confirmation to
accept the changes. Click OK and Yes respectively.
Alternatively, Windows ME or 98 will ask you if want to make the changes and reboot or not reboot.
You should select the reboot option as this causes Windows to load the new drivers when it next
restarts.
18 Getting the most from your BenQ monitor
for details.