The USB-to-Serial Bridge 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 driver - "PL2303X_Driver.zip" - has been downloaded 3,121 times and is rated 4 out of 5 stars based on 29 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 244.7 KB.
USB to Serial Port
Prolific USB-to-Serial Bridge
Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98, Windows 95
Load driver first then attach device to USB port. Corrects problems with Windows XP where streaming serial data on COM port (when port not selected)causes Windows XP to blue screen.
Tony C. (DG Member) on 12-Mar-2004
To get the Prolific USB-to-Serial Bridge 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 Bridge 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.
To find the newest driver, you may need to visit the Prolific website. Most major device manufacturers update their drivers regularly.
After you get your new driver, you need to put it on your computer. On Windows, there's a tool called Device Manager that helps with this. It shows you all the parts of your computer and the drivers they use. To finish setting up the new driver, you'll probably need to turn your computer off and on again.
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.
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
Drive/IMAC/Mac OS 10.1.x and 10.2.x/md_pl2303x_v1[1].0.7b4.zip | 24.8 KB | 1 Sep 2003 |
Drive/IMAC/iMAC OS 8.X, 9.X/md_pl2303x_v1[1].3.0b2.hqx | 25.3 KB | 1 Sep 2003 |
Drive/INF/wd_pl2303x_98_2009_2K20021.zip | 199.5 KB | 18 Aug 2003 |
Drive/INF/wd_pl2303x_98_2009_2K20021.zip/98_2009_2K20021/DRemover98_2K.exe | 135.2 KB | 7 Nov 2001 |
Drive/INF/wd_pl2303x_98_2009_2K20021.zip/98_2009_2K20021/SER9PL.sys | 194.1 KB | 12 Aug 2003 |
Drive/INF/wd_pl2303x_98_2009_2K20021.zip/98_2009_2K20021/SERSPL.INF | 2.3 KB | 23 May 2001 |
Drive/INF/wd_pl2303x_98_2009_2K20021.zip/98_2009_2K20021/SERSPL.VXD | 26.7 KB | 12 Aug 2003 |
Drive/INF/wd_pl2303x_98_2009_2K20021.zip/98_2009_2K20021/SERWPL.INF | 8.6 KB | 13 Aug 2003 |
Drive/INF/wd_pl2303x_98_2009_2K20021.zip/98_2009_2K20021/ser2pl.sys | 112.0 KB | 31 Jul 2003 |