The tool will automatically read your PC details and find the compatible driver updater for the PL2303 driver. If time or technical skills are your constraints, you can automatically update Prolific USB to the serial driver with Advanced Driver Updater. Automatic Way to Update Prolific PL2303 driver To do so, you can use the third-party driver updater software – Advanced Driver Updater. If the date is incorrect, you must update the driver. If you are running a 32-bit version of Windows, it should be 2.0.2.8.Ĥ. Click the Driver tab here the version should be 3.3.2.102 with a date. Double click Port (LPT COM) category > right-click Prolific USB to Serial > Properties.ģ. Restart your computer and get the USB up and running.Įven after following the steps above, if the problem persists, go to Device Manager and check the version and date of the driver.Ģ.Follow the instructions you see on the screen.Detach all the connected USB to Serial adapter > double click the setup file.Download PL2303_64bit_Installer.exe from the official website and save it.To fix the issue with Prolific pl2303 USB to Serial Adapter on Windows, follow these steps: Below we explain different ways to fix the issue. Protect yourself and your PC from this error code and ensure the update is compatible with the Windows (32-bit or 64-bit you are running. To stop piracy, the manufacturer shows this error message. The driver was not successfully installed, which explains the chip is counterfeit. Must Read: Solve The “Wi-Fi connected but no internet” Problem in Windows PC? Fix 2: Troubleshoot the Driver Was Not Successfully Installedĭifferent error codes explain the problem. Reconnect the driver once the process is finished to see how things go. This will automatically install the selected driver.ħ. Choose Let me pick from a list of available drivers on my computer.Ħ. Double click Ports (COM & LPT) > select PL2303HXA PHASED OUT SINCE 2012, PLEASE CONTACT YOUR SUPPLIERģ. Right the Start button > select Device Manager from the context menu.Ģ. Note : Unplug the serial adapter and re-plug after following the steps explained below.ġ. With that being said, after upgrading the PC to the latest version of the Prolific USB driver, if you are facing issues, follow these steps to roll back the driver and re-install the driver. You must roll back drivers and install the compatible update in such cases. However, sometimes driver updates can also cause problems. Keeping drivers updated is recommended to ensure the connected device works with maximum functionality and without any. Must Read: Fix “MTP USB Device Driver Failed” Problem for Windows 11, 10, 8, 7 Ways to Fix the Prolific PL2303 Driver Error – Windows 11/10 Fix 1 – Roll Back The Prolific USB driver While the exact reason is unknown, you can try the solutions below to fix the issue. In some cases, Windows fails to install the compatible drivers, and you face issues like PL2303 phased-out error. These drivers help Windows read the device and communicate with it. When a device is connected to the computer, Windows automatically installs corresponding drivers. OTPROM can be programmed directly through USB port.Are you facing difficulty with your Prolific USB serial adapter and encountering the PL2303 phased-out error/pl2303hxa phased-out error? Luckily, you are reading the right post that will help fix the issue and will make the yellow exclamation mark disappear.Ī USB-to Serial adapter cable connects your PC to the devices with serial ports, like PLC (Programmable Logic Controller). Supports OTPROM (One-Time Programmable ROM) for USB device descriptors. On-chip USB 1.1 transceiver and 5V to 3.3V regulator The flexible baud rate generator of PL2303GC also could be programmed to generate any rate between 1 bps to 12 Mbps.įull Compliant with USB Specification v2.0 (Full-Speed) Prolific provides highly compatible drivers that could simulate the traditional COM port on most operating systems allowing the existing applications based on COM port to easily migrate and be made USB ready.īy taking advantage of USB bulk transfer mode and large data buffers, PL2303GC is capable of achieving higher throughput compared to traditional UART (Universal Asynchronous Receiver Transmitter) ports. The PL2303GC provides a convenient small-factor solution for connecting an RS232-like full-duplex asynchronous serial device to any USB host. The PL2303GC is a low cost and high performance USB-to-Serial Bridge Controller.
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