When Using Windows 11, What Is the PL2303 Driver? In order to connect RS-232 serial devices to a Windows machine that only has a USB port, you’ll need an adapter like the Prolific PL-2303 USB to Serial.
A bridge connection is provided between the DB 9-pin male serial port connector and the Type-A USB plug connector.
Driver for the PL2303 USB to Serial adapter/controller in Windows 11. (OS).
Cannot Install PL2303 Driver On Windows 11
The PL2303 driver in Windows 11 seems to be the source of certain problems. Have you ever tried to connect a device to your computer using a USB to Serial adapter and received an error notice in Device Manager reading “Please instal relevant PL2303 driver to support Windows 11 and subsequent OS?”
If that’s the case, it’s probably due to an out-of-date, broken, or nonexistent PL2303 driver. Now let’s check out what causes the Prolific USB to Serial Driver to malfunction and how to resolve it.
Method 1. Ensure You Have The Latest USB-to-Serial Driver
First, you should try the most basic solution: replacing the missing driver or updating the existing one. You may also use Device Manager to temporarily turn it off and on again. You can allow Windows automatically instal a new driver if the machine is restarted after the removal of a corrupted driver.
Method 2. Revert the USB-to-Serial Driver.
In certain cases, updating a driver actually makes things worse. If you’re seeing an error about the PL2303 driver, it could be because the most recent update isn’t compatible with your hardware. If this is the case, you’ll need to roll back to an earlier version of your driver.
Step 1. First, launch Device Manager.
Step 2. Two, expand the Ports (COM & LPT) menu.
Step 3. Third, pick Prolific USB to Serial Comm Port, right-click it, and select Properties.
Step 4. Click the Driver tab in the Properties box, and then select Roll Back Driver.
Step 5. Five, it will make you explain yourself. Find one that makes sense to you, and then press the Yes button.
A suitable driver will eventually be automatically installed. Then, after it completes normally, you can try connecting your device once more. It has been fixed, so try again.
You can attempt updating to a previous version of the PL2303 driver if reverting to an earlier one was unsuccessful. If you need to use an older version and don’t have one handy, you can get it from the link provided in the following text.
Fixing the Common “Code 10” Problem with USB-to-Serial Adapters
The “code 10” bug is another typical PL2303 driver malfunction. It’s possible to receive one of the following error messages:
- The gadget is inoperable and won’t power on (code 10).
- This gadget does not have a driver installed.
- Installation of the driver failed.
You can see those alerts if you try to use counterfeit or non-genuine chipsets. If you send it back to the manufacturer, they’ll disable it for you. If you need a fix, just refer to the instructions below.
Step 1. Keep PL2303 64bit Installer.exe safe on your computer.
Step 2. Take out any USB serial adapters from the computer.
Step 3. To continue, double-click PL2303 64bit Installer.exe and then connect a single USB to Serial adapter as instructed.
Step 4. The last step is to restart your computer.
For Windows 11, Get the PL2303 Driver Here.
The PL-2303 driver download was given in the previous answer. Due to the fact that many people are unaware of where to locate the Windows 11 compatible PL2303 driver, the following link should be copied and pasted into a new tab in your browser to go the manufacturer’s site and obtain said driver.
http://www.prolific.com.tw/UserFiles/files/PL23XX Prolific DriverInstaller v402.zip
- The 4.0.2 version is here.
- Measurements: 10951.67 KB
- Date of publication: March 16, 2022
Software Assist for Windows 11 Is Highly Recommended
The new and improved Windows 11 will provide a number of advantages. However, it will also cause unanticipated costs, such as lost data.