USB 3.0 host controller and USB Root Hub xHCI not showing up on Windows 8.1 laptop
Greetings and thank you for taking the time to read the following message and 'maybe' attempt to help me with my current plight...
I have an HP envy m6 laptop running Windows 8.1 and Windows 7. The problem i am facing at current is that i have only 1 out of 4 usb ports working on my Windows 8.1 partition however on my Server 2012 partition, all four ports are working fine. After asking
around i have come to the conclusion that i'm having a driver issue. I compared what was present on the Windows 7 USB controllers (in Device Manager) to what was present on the Windows 8.1 controllers and i found that my Intel(R) USB 3.0 extensible host controller
- 0100 (Microsoft) and my USB Root Hub (xHCI) was missing on my Windows 8.1 partition.
Now for some background....the problem first occurred when i was trying to solve an external hard drive issue in which none of my external hard drives where showing up when i plugged them into my usb ports, i came across an online solution telling me to
uninstall all my USB drivers in device manager, restart the laptop and let the computer re install the drivers automatically, the result was that i only had 1 out of 4 ports working. Could someone please point me in the right direction in order to fix this
problem?
Windows 8 has native USB 3.0 drivers which explains why you are not seeing an option to roll back. I do not believe you can make the Windows 7 driver work. Have you tried uninstalling in the device manager all usb items and then rebooting to let the drivers reload? Do that with the computer off the dock and then plug it into the dock. As a general rule you should not do driver updates to a laptop through a docking station.
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