If you have purchased a multi-function PCI-E card (commonly used to add SATA, IDE, or USB ports to a desktop computer) and are looking for the CH382SSP-1107 driver, you are likely working with hardware based on the WCH (Nanjing Qinheng Microelectronics) chipsets.
Q: Is the CH382SSP-1107 driver compatible with Windows 11? A: Yes, drivers that work on Windows 10 (20H2 and later) are fully compatible with Windows 11. ch382ssp-1107 driver windows 10
| Issue | Solution |
|-------|----------|
| Driver signature error (Windows 10 64-bit) | The official WCH driver is signed. If you still get an error, disable Secure Boot temporarily OR use bcdedit /set testsigning on (not recommended for permanent use). |
| COM port number too high | In Device Manager → Port Settings → Advanced → change COM port number to COM1-COM9 for legacy software. |
| Device disappears after sleep | Unplug/replug USB adapter (if USB version) OR disable USB selective suspend in Power Options. |
| Error 10 (Device cannot start) | Reinstall driver; try different PCIe slot if on PCIe card; check BIOS for PCIe settings. |
| Chip misidentified as CH340 | Some older Windows databases incorrectly label it. Force update driver to CH382-specific INF. | Guide: CH382SSP-1107 Driver for Windows 10 (Installation &
For Other Devices: If it's a less common device, reaching out to the manufacturer or searching forums where users might have discussed similar issues can be helpful. In Device Manager, right-click the CH382 device →
If you encounter difficulties finding or installing the driver, consider using a generic driver:
Using WinUSB