This is a USB selective suspend issue in Windows 11.
Because the original manufacturer site for Corechip is no longer active, you must rely on archives or compatible third-party mirrors: vk-qf9700 driver windows 11
Right-click the ZIP folder and select Extract All . Note the location (e.g., C:\Drivers\QF9700 ). This is a USB selective suspend issue in Windows 11
This is the method that works even when signed drivers are blocked. works after manual driver install
| Rating | ⭐⭐ (2/5) | |--------|-----------| | | Cheap, works after manual driver install, fine for basic 100 Mbps use | | Cons | No plug-and-play on Win11, driver hunting needed, potential update conflicts, slow by modern standards |