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Point it to the folder where you extracted the official WCH driver files.
Look under "Other devices" for "PCI Serial Port." Update Driver: Right-click the device and select Update driver . Choose "Browse my computer for driver software" .
Right-click the downloaded ZIP folder and select Extract All .
If you have a pre-built Dell tower, use the Dell PCIe Serial Card Driver .
Supports high-speed transmission up to 8Mbps (or 16Mbps depending on the specific model).
The CH382 chipset is a native PCIe-to-serial/parallel controller, which reduces CPU load by up to 48% compared to older "bridge chip" designs. PCIe x1 (compatible with x4, x8, and x16 slots).
Once installed, the ports should appear under Ports (COM & LPT) with designated COM port numbers (e.g., COM3, COM4). Common Troubleshooting CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd.
Press Windows Key + X and select Device Manager .
Point it to the folder where you extracted the official WCH driver files.
Look under "Other devices" for "PCI Serial Port." Update Driver: Right-click the device and select Update driver . Choose "Browse my computer for driver software" .
Right-click the downloaded ZIP folder and select Extract All .
If you have a pre-built Dell tower, use the Dell PCIe Serial Card Driver .
Supports high-speed transmission up to 8Mbps (or 16Mbps depending on the specific model).
The CH382 chipset is a native PCIe-to-serial/parallel controller, which reduces CPU load by up to 48% compared to older "bridge chip" designs. PCIe x1 (compatible with x4, x8, and x16 slots).
Once installed, the ports should appear under Ports (COM & LPT) with designated COM port numbers (e.g., COM3, COM4). Common Troubleshooting CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd.
Press Windows Key + X and select Device Manager .