This notebook has only one USB 3.0 port. It doesn't recognize when i plug in a 3.0 device and only works as 2.0 when i use a 2.0 device. I made a clean install with Windows 8.1 and installed all drivers (everything is fine at Device Manager), but the problem still occurs.
The model is VPCSB25FB/B
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Hmm i would check BIOS settings, and make sure any of the USB 3.0 physical connections are not damaged.
VPC SB USB 3.0 only works as 2.0
Discussion in 'VAIO / Sony' started by HugoACL, Nov 21, 2013.