BenQ LCD Color Monitor User's Guide
9.By pressing “OK” again in the next window you will be given a list of compatible devices. Select “FP557s” from the list and press “OK” again.
10.You are now back at “Advanced Display Properties”. Close this window by clicking “OK “ and confirm the following messages with “Yes”. Click “OK” and “Yes” again. The installation is now completed. You can close “Display Properties”.