PL-2303 Mac OS X Driver v1.6.1 Installation Guide
Document Rev C
PL2303 Mac OS X Driver v1.6.1 Installation Guide 10182017.doc
How to Uninstall Driver
To remove and uninstall the PL-2303 drivers from Mac OS X operating system, you must be logged
on as root. You can use the “sudo” command option to substitute user privileges.
1. Run a Terminal session (Applications-Utilities-Terminal) and enter the following commands at
the command prompt:
sudo rm –rf /Library/Extensions/ProlificUSBSerial.kext
sudo rm –rf /var/db/receipts/*PL2303*.*
2. To remove the port from the system, go to System Preferences and select Network. Select the
“USB-Serial Controller” device shown from the Show menu and click on the “-“ remove button to
uninstall the port.
3. Restart the computer again before reinstalling the driver.
Prolific Technology Inc.
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October 18, 2017
All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding
the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial
damage, including but not limited to special, incidental, consequential, or other damages.
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