If the automatic installer fails or the device appears as "PCI Serial Port" with a yellow exclamation mark: Open (press Win + X and select it).
The official driver package for the WCH CH382L chip is the installer. Official Source: WCH CH38X Driver Download
The WCH CH382L is a specialized PCIe-to-Serial/Parallel bridge chip manufactured by . For Windows 10 users, installing the correct driver is essential to ensure that your PCIe expansion card correctly maps the legacy RS-232 serial or LPT parallel ports for use with industrial equipment, printers, or lab devices. Direct Download Link wch ch382l driver windows 10
your computer once the "Installation Success" message appears. 2. Manual Installation via Device Manager
Locate and right-click on the PCI Serial Port . Select Update driver > Browse my computer for drivers . If the automatic installer fails or the device
Follow these steps to manually install or update your driver if Windows does not automatically recognize the card:
Click the button. The installer will scan for the hardware and automatically install the necessary INF files. For Windows 10 users, installing the correct driver
Point to the folder where you extracted the CH38X driver files.
The CH382L is often found on PCIe expansion cards from brands like Delock and LR-LINK . It provides: CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd.
the CH38XDRV.EXE file from the official WCH website. Right-click the installer and select Run as Administrator .