Close the Registry Editor and restart your computer.
When this driver fails, it’s often due to a Windows update bug or a system file issue. In the , the USB controller will be flagged with a yellow triangle. Viewing its properties will likely reveal an error message: xh-39.0 driver
Depending on the specific manufacturing batch of your XH-39.0 variant, the underlying chipset may rely on universal xHCI host controller drivers from manufacturers like Renesas, Intel, or Texas Instruments . XH-39.0 Internal USB PCI Card - Computer Part For 4 India Close the Registry Editor and restart your computer
This is the safest first step. Windows has built-in tools that can automatically fix many common device problems. Viewing its properties will likely reveal an error
Editing the Windows Registry can be risky if not done carefully. Incorrect changes can make your system unstable. Always back up the registry before making any changes.