BenQ FP581s User Manual page 22

11. In the list of folders within the CD-ROM, select "Drivers" folder then click "Open" twice,
then click "OK". Select your LCD Mode (FP581) from the list in the next window then click
"Next" twice.
12. The "Digital Signature Not Found" window will appear, click "Yes.".
BenQ LCD Color Monitor User's Guide
English 21