Prolific USB-to-Serial Comm Port Driver Download

Prolific Drivers

The USB-to-Serial Comm Port is a USB device manufactured by Prolific. This driver can help resolve issues like USB device not recognized, "Disk Not Formatted" errors, or if your device randomly ejects or stops working. This version of "" is rated (5 out of 5 stars) based on 4,627 downloads and 24 reviews. Visitors have successfully installed this driver on PCs running Windows Vista and Windows XP. The total disk space used for this update is 98.8 KB.

24 Ratings (see all reviews)

Supported Models


Prolific USB-to-Serial Comm Port



Supported Operating Systems

Windows XP

File Name

Versions (9-Apr-2002) (2002-04-09) via .inf

Additional Notes

XP driver from mfr's CD.

Uploaded By

eman (DG Member) on 15-Oct-2004

Ratings & Reviews

See all Prolific USB-to-Serial Comm Port ratings and reviews

How to Update Prolific USB-to-Serial Comm Port Device Drivers

Step 1 - Download Your Driver

To get the Prolific USB-to-Serial Comm Port driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Prolific USB-to-Serial Comm Port into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Prolific Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

Step 2 - Install Your Driver

  1. Open a tool called Device Manager.

  2. Use Device Manager to put the new driver on your computer.

  3. Turn your computer off.

  4. Turn your computer back on.

Now your new driver is ready!

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
USB_serial_WinXP/ser2pl.inf 1.9 KB 9 Apr 2002
USB_serial_WinXP/DrvRemover.exe 151.8 KB 12 Sep 2000
USB_serial_WinXP/riverLanguageMap.xml 5.2 KB 29 Apr 2002
USB_serial_WinXP/ser2pl.sys 39.6 KB 9 Apr 2002
USB_serial_WinXP/id.txt 17 bytes 3 Aug 2000
USB_serial_WinXP/ 7.1 KB 29 Apr 2002
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