Counterfeit IC products show exactly the same outside chip markings but generally are of poor quality and causes Windows driver compatibility issues. Plug the USB-to-Serial Adapter cable into your USB port. Please be warned that counterfeit (fake) PL-2303HX (Chip Rev A) USB to Serial Controller ICs using Prolific's trademark logo, brandname, and device drivers, were being sold in the China market.Follow the prompts to extract and run the dmg file.
PROLIFIC GIGAWARE USB TO SERIAL DRIVER FOR MAC OS
PROLIFIC GIGAWARE USB TO SERIAL DRIVER HOW TO
USB to Serial Support Mac How to Install the Driver: Part # SW-1301 and other Prolific based adapters: Please see USB to serial converter models. If you are having problems with the USB-to-Serial Adapter in Windows that this page does not address, please contact us at or call (800)709-1345 between 7 AM - 6 PM MST. This driver is for the older type of DesignaKnit USB to Serial Converter with the Prolific chipset, but not for the newer type that has the FTDI chipset. You may have to run the software that came with your device to make it rescan the COM ports. Notice that the device will show up as being on the same COM port that it was before (i.e., COM5), but will show up on the new port if you close the Device Manager and open it again. Pull down the scrollbar on the bottom, left side and select COM 1, 2, 3 or 4 (NOTE: Choose one that does not say "in use" next to it).Right click on the "Prolific USB to Serial Port" and click on Properties.How do I change the COM port on my USB to Serial adapter? If the adapter is installed on COM5, a device with such a limitation will not work until the COM port is reassigned to COM1 - COM4. would not work with a USB to Serial adapter when everything appears to have installed fine is that some devices will only scan a limited number of COM ports.įor instance, it is very common for a PDA to have a limitation of scanning the first four (or sometimes two) COM ports. The most common reason that a device such as a PDA, GPS, cell phone, etc. Troubleshooting The driver is installed properly, but the device is not working: If the device is installed properly, you will see "Prolific USB to Serial Com Port.".Luckily, here is the right place you find. Click on the plus sign (+) next to "Ports." If you are looking for the way to download Prolific Usb to Serial Driver.Start -> Control Panel -> Hardware and Sound -> Device Manager.