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Usb 3.0 runs at 2.0 speed

I can't get those usb 3.0 ports to work properly.

After a year I build my own pc I ordered an usb 3.0 flash drive.
Some days ago when I first tested it seems not to run at 3.0 speed, but 2.0. 

Both the usb ports on the back of my case -mobo and the integrated usb connectors on the front of my case run at 2.0 speed. When transferring a file the speed is around the same when connected with a 2.0 port.

I remember installing a driver from Intel for 3.0 usb when building my pc. That not necessary was for Win 8. Other than that I haven't messed up anything else.

What are the things I can do so I can Use this nice feature?

Win 8 64bit
MSI Z77A-GD65 
Adata usb flash drive elite s102 pro

See if this thread will help


http://answers.microsoft.com/en-us/windows/forum/windows_7-hardware/usb-30-device-isnt-recognized-as-such-on-a-usb-30/ba042f64-07a8-4265-abac-63895ea3f720


Microsoft Community Contributor (MCC) 2011

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I did a refresh on my windows 8.1 notebook

Now all my usb 3.0 ports are running at usb 2.1 protocol

I know this because they are running slower than usual and I checked it with chip genius ver4

chip genius said they usb port is 2.1 not 3.0

I tried uninstalling all my usb 3.0 controllers and hubs and reinstalling them but that didnt work

I looked for drivers for windows 8 and there are none

My PC manufacturer also have no drivers for the usb 3.0

I have a fujitsu lh532 with 3 usb 3.0 and 1 usb 2.0

If anyone know how to get the usb port running at 3.0 again let me know

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Last updated August 31, 2020 Views 1,364 Applies to: