9. Press "Start" button and select "Control Panel".
10. Open the Add or Remove program.
11. Remove the first "Windows Driver Package – FTDI CDM Driver Package (...)".
12. Click "Chang/Remove" and "Yes" to remove the first Windows Driver
Package.
13. Remove the second "Windows Driver Package – FTDI CDM Driver Package
(...)".
14. Click "Chang/Remove" and "Yes" to remove the second Windows Driver
Package.
15. Reboot the computer to complete the driver uninstall.
USB-COMi & USB-COMi-SI USB to RS-422/485 Adapters User's Manual
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