The WCH CH382L is a highly popular, budget-friendly Dual Serial (RS232) and Single Parallel port PCIe controller chip manufactured by Nanjing Qinheng Microelectronics (WCH). It is widely used in desktop expansion cards to add legacy COM and LPT ports to modern motherboards.
If the ports appear without yellow warning triangles, your driver is active and functional. Troubleshooting Common CH382L Issues on Windows 10 1. Code 10 or Code 52 Errors (Digital Signature Issues) wch ch382l driver windows 10
If the executable fails or your corporate IT policy blocks installer binaries, install the driver manually. Press Windows Key + X and select . The WCH CH382L is a highly popular, budget-friendly
A pop-up window will appear informing you that the driver installation was successful. Click "OK". Troubleshooting Common CH382L Issues on Windows 10 1
The most reliable way to get the driver is from the official source. While the manufacturer’s official website is wch.cn , a link from their community forum will lead you directly to the required download.
Guide you on how to check for in the BIOS.