POSIFLEX Business Machines PP7700 Series - Manual (Page 15)

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In “Hardware Update Wizard” that appears after this, choose
“Install from a list or specific location (Advanced)” --> “Don’t
search, I will choose the driver to install” --> “Have Disk” -->
“Browse” and find the subfolder where the drivers were stored.
Select “ComBtDrv.inf”.
Click “Open” --> “OK”, “Posiflex Wireless Dongle” and a
warning message on digital signature will show up in “Hardware
Update Wizard”.