intermittent failure of keyboard & trackpad
The built-in keyboard and trackpad on my Yoga720 intermittently stop working. Rebooting makes no difference, and I tried installing latest drivers. Some minutes or hours after failure it spontaneously starts working again. (Update 9/3/2021, opening the screen hinge to flat (180deg) consistently restores keyboard & trackpad function. It must be a connector problem). I have opened up the computer and can’t see any obviously loose connectors or crushed cables. My guess is its a hardware fault and am contemplating buying a new keyboard & trackpad. Does anyone have other ideas?