Left USB port recognises only 2.0 drives/devices
Left USB port recognises only 2.0 drives/devices despite being a 3.0 port , the right one is 3.0 to and recognises both
The Lenovo Thinkpad X240, released in 2013, fairly light and compact, and looks familiar to the ThinkPad Line. The X240 is notable for its clunky touch pad.
Check in BIOS that the USB 3.0 mode has not been disabled.
Check that it is either set to enabled or auto.
To enter BIOS do the following:
Restart the computer. When the ThinkPad logo is displayed, press F1. The ThinkPad Setup program starts
When in BIOS go to Config > USB > USB 3.0 mode
Save your changes (if you have to enable) and then restart the laptop.
Here’s a link to the user guide for the laptop. Go to p.105 to view the USB 3.0 options in BIOS.
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