Wch Ch382l Driver Windows 10 Jun 2026

If automatic fails:

Some users report errors where a "required entry is missing." This often happens if Windows tries to use an older driver intended for legacy OS versions. Using the latest CH38X package typically resolves this.

Step 3: Manual Installation via Device Manager (Alternative Method)

Before you begin, make sure the CH382L PCIe card is physically installed in an available PCIe slot (x1, x4, x8, or x16 – all work). Boot into Windows 10 with the card inserted. wch ch382l driver windows 10

Ensure the card is firmly seated in the PCIe slot. Some cards, like those from Delock , include low-profile brackets for mini-PCs, so make sure you’re using the correct physical configuration for your case.

If your software requires a specific COM port number (e.g., COM1 or COM2) but Windows assigned it to COM5: Double-click the WCH Serial Port in . Go to the Port Settings tab and click Advanced .

Article last updated: October 2025. Information accurate for Windows 10 versions 20H2 through 22H2 and Windows 11. If automatic fails: Some users report errors where

If you need to add legacy serial (RS-232) or parallel (LPT) ports to a modern PC, chances are you’ve encountered a PCIe expansion card based on the chip. This chip is the heart of many budget-friendly PCI Express serial and parallel port cards, making them accessible for connecting older printers, industrial equipment, and more. However, Windows 10 and 11 do not include native inbox drivers for the CH382L series. This guide will walk you through everything you need to know to get your device working perfectly.

If the ports appear but data isn't flowing correctly, the problem might be at the loopback level.

A. The Device Appears as "PCI Simple Communications Controller" This indicates the driver is missing. Boot into Windows 10 with the card inserted

The is a high-speed, dual-port parallel interface chip manufactured by Nanjing Qinheng Microelectronics (WCH). It is commonly found on PCIe (PCI Express) to LPT (Parallel Port) adapter cards, allowing modern motherboards without legacy parallel ports to communicate with older printers, CNC machines, industrial controllers, EPROM programmers, and dongle-based software.

. The driver package typically covers the entire CH38X family, including CH382 and CH384 chips. Official Download: CH38XDRV.ZIP - WCH Official Alternative .EXE Installer: CH38XDRV.EXE - WCH Official 2. Supported Features & OS This driver is Microsoft WHQL Certified

Adding RS-232 DB9 ports to modern workstations without native serial ports. 2. Downloading the CH382L Driver for Windows 10

The WCH CH382L is a PCI Express (PCIe) to multi-port serial and parallel interface controller. The WCH (Nanjing Qinheng Microelectronics) CH382 and CH384 chips are commonly found on a wide range of expansion cards for both desktop and industrial PCs.

Run the driver executable again to to ensure a fresh copy of the driver files. C. Resource Conflict