Prolific USB to Serial Port Cable Driver Download
The USB to Serial Port Cable 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 - "USB-SerialAdapterDB9.zip" - has been downloaded 10,982 times and is rated 4 out of 5 stars based on 53 reviews. It has been installed successfully by our users on PCs running Windows 10, Windows 7 and Windows XP. The total disk space used for this update is 678.4 KB.
Supported Models
Leadership
Prolific USB-to-Serial Cable
Prolific USB-to-Serial Comm Port
USB to Serial Port
USB to Serial Port Cable
Manufacturers
Supported Operating Systems
Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95
File Name
Versions
1.1.0.0 (2000-09-05) via .inf
Additional Notes
Driver for Mac, win95, win98&ME and win2000 for converter USB to serial DB9
Uploaded By
Alexandre Rodrigues (DG Member) on 4-Dec-2003
Ratings & Reviews
See all Prolific USB to Serial Port Cable ratings and reviews
Related Driver Updates
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| USB-Serial Adapter (DB9)/MAC/Setup.sit | 9.0 KB | 12 Oct 2000 |
| USB-Serial Adapter (DB9)/MAC/MAC Manual.doc | 179.7 KB | 17 Apr 2001 |
| USB-Serial Adapter (DB9)/WIN95/SERPORT.INF | 2.2 KB | 2 May 2000 |
| USB-Serial Adapter (DB9)/WIN95/USB2SER.SYS | 18.9 KB | 16 Mar 2000 |
| USB-Serial Adapter (DB9)/WIN95/USB2SER.INF | 1.1 KB | 2 May 2000 |
| USB-Serial Adapter (DB9)/WIN95/SERPORT.VXD | 25.2 KB | 25 Feb 2000 |
| USB-Serial Adapter (DB9)/WIN2000/ser2pl.inf | 8.1 KB | 21 Nov 2000 |
| USB-Serial Adapter (DB9)/WIN2000/ser2pl.sys | 47.4 KB | 15 Jan 2001 |
| USB-Serial Adapter (DB9)/WIN2000/WIN2000 NB Manual 810 2000.doc | 268.8 KB | 18 Apr 2001 |
| USB-Serial Adapter (DB9)/WIN2000/id.txt | 17 bytes | 3 Aug 2000 |
| USB-Serial Adapter (DB9)/WIN2000/UNINSTALL.exe | 151.6 KB | 12 Sep 2000 |
| USB-Serial Adapter (DB9)/WIN98&ME/UNINSTALL.EXE | 127.0 KB | 14 Sep 2000 |
| USB-Serial Adapter (DB9)/WIN98&ME/SERSPL.INF | 2.3 KB | 9 Oct 2000 |
| USB-Serial Adapter (DB9)/WIN98&ME/SER9PL.sys | 27.6 KB | 16 Jan 2001 |
| USB-Serial Adapter (DB9)/WIN98&ME/SER9PL.INF | 753 bytes | 9 Oct 2000 |
| USB-Serial Adapter (DB9)/WIN98&ME/WIN98&ME NB Manual.doc | 167.4 KB | 18 Apr 2001 |
| USB-Serial Adapter (DB9)/WIN98&ME/SERSPL.VXD | 27.7 KB | 16 Jan 2001 |
How to Update USB to Serial Port Cable Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the USB to Serial Port Cable 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 Port Cable 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
Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.
How to Open Device Manager
In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager
In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
How to Install a driver from Device Manager
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order for the driver update to take effect.
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.