PCI Express 4-Port Industrial Serial I/O Card User Guide
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Uninstalling Windows Drivers:
To uninstall the Windows driver from Device Manager for PCI Express 4-port industrial serial
I/O card, please follow the steps below:
1. Right click on
“Exar’s Communications Port (COMx)” under Device Manager to bring up
“Device Control” screen. Then, select “Uninstall” to start Exar’s Communications Port
(COMx) driver uninstall.
2.
Under “Confirm Device Uninstall” screen, check “Delete the driver software for this device.”
C
lick “OK” to uninstall the software driver. If you don’t find “Delete the driver software for
this device
” message, please only click “OK” to uninstall the software driver.
3. Right click on
other “Exar’s Communications Port (COMx)” and repeat step 1 and 2 to
uninstall all Exar’s Communications Port driver.