The PL-2303 USB to Serial adapter is an accessory that establishes a connection between RS-232 devices throughUSB on Windows. This accessory is commonly used to connect devices like printers and telephones. However, after the Windows 11 update, many users have reported having met with the message “Please install corresponding PL-2303.”
This error message generally pops up when your prolific driver version is incompatible with your device’s hardware. Also, when the ports on your device fail to communicate with the USB to Serial adapter, this error occurs.
In this article, we will provide viable solutions around it, so keep reading to learn more to keep using your external devices on Windows 11.
Fix “Please Install Corresponding PL2303” Driver Issue on Windows11
You need the prolific serial USB driver to establish a link between the device you’re trying to connect to your Windows PC through a USB-to-Serial cable. Either you are missing the Prolific to Serial USB driver, or the driver is outdated or corrupted. Depending on the issue, you may try out a few solutions to fix this driver issue.
If you’re using an older version of this driver, you may want to update it. The older version is likely not supported by your hardware and is having issues establishing a connection with your connected device.Update your driveron device manager following these instructions:
Use the Previous Version of PL-2303
Although new hardware is supposed to push newer features out, the new driver may not run on your Windows. It is possible that the newer version of your Prolific to Serial USB might not be compatible with your current hardware. Follow these instructions to downgrade the PL-2303 driver:
You may have your driver missing on your device. Your Windows fails to recognize and connect the device you connected with the serial cable. you may install the PL-2303 driver from the following steps:
Reinstall the PL-2303 Driver
Usually, when drivers go corrupt, reinstallation fixes it. A bug may interfere with the communication between the device and the driver. Follow these steps to reinstall the PL-2303 driver on your Windows:
Restart your device to reinstall the driver. If rebooting your device does not reinstall your driver, install it by following the steps above.
You need to change the COM port for some serial devices to function. you may easily change thisthrough the device manageron your Windows. Check the user manual of your USB to serial adapter for the correct COM number you can replace the current one with.
Follow these steps to change the COM Port on your Windows:
The cable’s physical condition also matters when connecting your PC to an adapter. Most users use either the FTDI-based or Prolific PL2303-based cables. If you inspect a problem with the quality of your cable, consider switching to an alternate adapter.
