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The Prolific PL2303 cable connects serial devices to the USB ports on your computer. However, several users have reported issues with Windows 11 without the PL2303 driver.
So, what is the PL2303 USB to Serial driver all about? Like any other driver, its function is to connect the Operating System to the device, in this case, the PL2303 adapter. The device will be inoperable if the driver does not recognize it.
In most cases, Windows 11 will automatically install the cable’s driver, but you may need to download the PL2303 driver Windows 11 64-bit manually.
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The PL-2303 USB to Serial converter simplifies the connection of RS-232 serial devices to a Windows host computer through USB.
To provide a bridge connection, it contains a standard DB 9-pin male serial port connector on one end and a standard Type-A USB plug connector on the other end of the cable.
Some of the most common problems with the Prolific PL2303 USB to serial converter are as follows:
When the driver is corrupted or out of date, this occurs. In this case, you must check the device manager to load the appropriate drivers.
Now that you know how Windows discovers and installs the correct driver, let us walk you through the steps to install the PL2303 driver in Windows 11.
Windows 11 does, in fact, support and advocate RS232.
Windows detects connected devices and, in most situations, automatically downloads the relevant driver. If this does not happen, you should be able to find and download the USB to serial driver for Windows 11 in the optional updates section.
This solution may be handy if you are looking for a PL2303TA driver for Windows 11. Before proceeding, connect the Prolific PL2303 adapter to the PC.
After installing the Prolific PL2303 driver on Windows 11, restart the computer to have the modifications take effect. Connect the PL2303 USB to the serial cable after that.
If the manual procedure is too challenging, you can rely on a reliable third-party program. We recommend using DriverFix, a dedicated program that scans for and updates drivers for all connected devices automatically.
Here is how to get things done quickly:
Driver problems usually develop for one of three reasons: the driver is out of date, corrupt, or a defect in the current version. Other possibilities could exist, but they are unrelated to the driver.
You can manually update the driver, one of the three issues listed previously, by following the methods provided in the preceding section. The approaches described below should work for the other two: a corrupt driver and a fault in the current version.
The machine will then restart, and Windows will install a new driver for the device. If it does not work, you already know how to install the Prolific PL2303 driver for Windows 11 manually.
When a driver is corrupted, reinstalling it is a simple solution. However, the emphasis here is on locating the corrupt driver, which is similarly straightforward. Look for the motorist whose icon has a caution mark in the lower-left corner.
Step 1: To get the Quick Get menu, press Windows + X or right-click on the Start icon, then choose Device Manager from the list of options.
When you update a driver, Windows stores the previous version’s files in case something goes wrong, and you must revert to a previous version.
Furthermore, this is what we mean when we talk about returning to a previous driver version or rolling back a driver update.
However, if the Roll Back Driver option is greyed out, it means either the driver has not been updated, or Windows did not store the required data.
When you connect a new device or peripheral to your computer, Windows should recognize it and automatically download the required driver. However, this is only true for some hardware.
It will be deployed only if the driver has been submitted to and approved by Microsoft. Device manufacturers must submit their drivers to Microsoft for approval before they may be released alongside other Windows updates.
Several of them, however, do not. Some need more resources, but others may find it more convenient to offer these drivers on their websites. On the other hand, some manufacturers get the driver certified by Microsoft but then post future upgrades to their websites.
Aside from that, many customers inadvertently configure Windows, so it does not check for updates automatically. Additionally, even if the driver is already installed on the computer, you may be unable to access or use the required device.
What if the Prolific PL2303 USB-to-Serial driver does not work correctly on Windows 11?
According to many readers, the Prolific PL2303 USB-to-Serial driver does not work with Windows 11.
If this applies to you, try the following solution:
As a result, if you are wondering why Windows 11 does not recognize my USB device, the required driver is likely missing, and the System cannot identify or connect to the device.
That is everything for installing the Prolific PL2303 driver in Windows 11 and the two most effective troubleshooting approaches. On Windows 10, you may also download the Prolific USB to the serial driver.