08-03-2015 07:21 PM - edited 08-03-2015 07:25 PM
08-04-2015 07:52 AM
Welcome to the Forums.
When you highlight the text, are you doing a double tap & hold then drag to highlight the text or click & hold then drag on the touchpad to highlight?
If it's the former then tapping might be disabled. Ensure that the Touchpad driver is installed and the tapping feature is enabled.
G50-40 / G50-80:
G40-45, G50-45, G70-35
Let me know how it goes.