log4:touchpad and keyboard don't work after computer sleep

issue

The touchpad and keyboard don't work after waking the computer sleeping .

Method

• 1.Reinstall Elan touchpad driver (option) .
• 2.Computer never sleep:
  -- 2.1 Click the buttery icon in the mean title on the top of the screen .
  -- 2.2 Click Open energy saver preferences ...
  -- 2.3 Change the computer sleep to never .