How to change COM port settings using USB-to-Serial Adapter

[smirnoff_rules]

setting to change your com settings

Start -> Control Panel -> System -> Hardware -> Device Manager -> Ports (COM & LPT) -> Prolific USB to Serial Bridge… at this point, take note of the COM number. Use that number when assigning the COM port



in your Device Manager and double click your USB to Serial adapter. Click Port Settings and then Advanced. You should then be able to select the COM port (1, 2, 3, or 4) being careful not to select a COM port already in use on your computer.

if u only have printer and com then change the com one in the drop down box