The USB-SERIAL CH340 is a disk drive controller manufactured by WinChipHead WCH. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This version of "hl-340_driver.zip" has been downloaded 30,866 times with a user rating of 4 out of 5 stars, based on 94 reviews. Our users report success installing this driver update on PCs running Windows 10, Windows 8, Windows 7, Windows Vista and Windows XP. The total disk space used for this update is 71.5 KB.
HL-340 usb to serial adapter
USB-SERIAL CH340
USB-SERIAL CH341
Windows XP, Windows 2000, Windows ME, Windows 98SE, Windows 98
2.3.2006.06 (5-Jun-2006)
2.3.2006.06 (2006-06-05) via .inf
HL-340 USB to serial adapter [WinChipHead]
Driver for CH341 (USB=>SERIAL chip)
WDM&VXD for Windows 98/ME/2000/XP
File Date: 06/05/2006
Version: 2.3.2006.06
Unzip to a temp folder, then launch SETUP.EXE
Jerry K (DG Member) on 13-Oct-2007
Already tried it? Give your review.
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
CH341PT.DLL | 6.7 KB | 30 Jul 2005 |
CH341S98.SYS | 19.1 KB | 9 May 2006 |
CH341SER.INF | 3.8 KB | 5 Jun 2006 |
CH341SER.SYS | 35.8 KB | 5 Jun 2006 |
CH341SER.VXD | 20.1 KB | 9 May 2006 |
Setup.exe | 57.4 KB | 16 Oct 2006 |
To get the USB-SERIAL CH340 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 WinChipHead USB-SERIAL CH340 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 WinChipHead Driver Update Utility. It is a software utility which automatically finds and downloads the right 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.
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
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.