Now Device Manager will show the updated driver (with no warning) and adapter is ready for use. Select the driver version 3.2.0.0 and click Next. A new window will appear showing compatible hardware as shown below: Click on "Let me pick from a list of device drivers on my computer". Click on "Browse my computer for driver software". Go to Device Manager, right click on USB to Serial adapter name and select "Update Driver Software.". In PL2303 Windows drivers download page, you can download the driver file: 18.0B.zip. You can choose PL2303 windows driver download. After installation is done, click Finish to close the installation wizard. Right-click the Prolific USB-to-Serial Comm Port and choose to Uninstall to delete the device. Click Next, read the License Agreement terms carefully. Double click the executable file 2303 Win8 Driver Installer.exe.Īn installation wizard will open as shown below: Insert the CD in your system, go to CD Drive > 2303 all driver > WIN8. VID067B&PID2303 for Prolific USB-to-Serial Comm Port. Arduino IDE when the CH340 is connected you will see a COM Port in the Tools > Serial Port menu. Select an older version on the Model list. Select Let me pick from a list of available drivers on my computer. Click Browse my computer for driver software. 
Double-click Ports (COM & LPT), then right-click on your Prolific USB to Serial driver to select Update driver. Windows Vista (64 bit), Windows 2003, Windows XP, Windows 2000, Windows. Windows 32 and 64-bit Operating Systems - Prolific PL-2303 Driver Fix (VID067B&PID2303). If you are running a 64Bit Windows: run the SETUP64. On your desktop, right-click on the Start button, then select Device Manager.
Now we need to install the driver from the CD you have got with USB to Serial adapter package. Prolific USB-to-Serial Comm Port Driver Download for Windows Vista, 2003, XP. If the driver is installed properly, you will be able to use the adapter otherwise a warning icon will be present with the adapter name as shown below:Ĭontinue reading article if driver is not installed properly. Go to Device Manager and see under Ports (CoM & LPT) section, a device named "Prolific USB-to-Serial Comm Port" must be present there. 
Connect the USB to Serial adapter to the USB port of your Windows 8 PC/Laptop.USB to Serial adapter is available in Carrier Board Accessory Kit. This article demonstrates how to install driver for USB to Serial adapter on Windows 8.
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