Ch9200 Usb Ethernet Adapter Driver For Windows 11 Link -

Drivers for the CH9200 USB Ethernet adapter on Windows 11 are typically provided by third-party repositories or generic hardware drivers, as the official manufacturer (WCH) often bundles them for legacy systems. You can find compatible drivers at the following locations:

Issue 3: Slow speed (limited to 100 Mbps)

The CH9200 is USB 2.0 Fast Ethernet (100 Mbps). It cannot reach Gigabit speeds. If you need >100 Mbps, buy an adapter with RTL8153 (Gigabit) or AX88179 chip.

: Community-maintained drivers for various Windows versions are available on WCH Manufacturer ch9200 usb ethernet adapter driver for windows 11 link

✅ The driver package includes .inf and .sys files and supports Windows 11 (using Windows 10 drivers).

If the above link changes over time, search for "WCH CH9200 driver" and look for the wch.cn result. Alternatively, you can use the direct .inf file method from their GitHub repository: Drivers for the CH9200 USB Ethernet adapter on

Manufacturer (WCH - Nanjing Qinheng): The most reliable source is the official WCH Download Center. Look for the "CH9200" driver specifically for Windows systems.

🔗 Driver Download Link:

http://www.wch.cn/downloads/CH9200EVT_ZIP.html Control Panel → Power Options → Change plan

• Control Panel → Power Options → Change plan settings → Change advanced power settings
• USB settings → USB selective suspend setting → Set to Disabled

Alternative: Replace the Adapter
Given the occasional hassle with CH9200 on Windows 11, some users opt for an adapter based on ASIX AX88179 or Realtek RTL8153, which have Microsoft-signed inbox drivers. However, if you already own the CH9200 adapter, the above methods should restore functionality for basic 10/100 Mbps Ethernet.