https://community.sony.ro/t5/pcs-accessories/vaio-svf-laptop-usb-3-not-recognised/m-p/1719525#M134352 <P>MY SVF15AC1 has, regretfully, never recognised&nbsp;any USB 3 connections.</P><P>&nbsp;</P><P>Following previous advice I have rebuilt the original system, including the 8.1 update. Neither before or after the rebuild, I have never been able to access any USB 3 connection.</P><P>&nbsp;</P><P>Plugging in a USB 3&nbsp;Flash drive I get the message that "USB not recognised". It is recognised and has been used in the basic USB Port.&nbsp; The USB Stick has been used in a different Laptop without ant ptoblem.&nbsp;</P><P>&nbsp;</P><P>My 12 month warranty is up&nbsp;in a couple of weeks, so any advice would be appreciated&nbsp;</P> Fri, 01 Aug 2014 13:15:17 GMT johngward 2014-08-01T13:15:17Z https://community.sony.ro/t5/pcs-accessories/vaio-svf-laptop-usb-3-not-recognised/m-p/1719525#M134352 <P>MY SVF15AC1 has, regretfully, never recognised&nbsp;any USB 3 connections.</P><P>&nbsp;</P><P>Following previous advice I have rebuilt the original system, including the 8.1 update. Neither before or after the rebuild, I have never been able to access any USB 3 connection.</P><P>&nbsp;</P><P>Plugging in a USB 3&nbsp;Flash drive I get the message that "USB not recognised". It is recognised and has been used in the basic USB Port.&nbsp; The USB Stick has been used in a different Laptop without ant ptoblem.&nbsp;</P><P>&nbsp;</P><P>My 12 month warranty is up&nbsp;in a couple of weeks, so any advice would be appreciated&nbsp;</P> Fri, 01 Aug 2014 13:15:17 GMT https://community.sony.ro/t5/pcs-accessories/vaio-svf-laptop-usb-3-not-recognised/m-p/1719525#M134352 johngward 2014-08-01T13:15:17Z