Recent content by Akbari694

  1. A

    keyboard backlight & touchpad problem

    Maybe the word lag does not exactly illustrate my problem. The better description would be that the touchpad does not sense my finger at times making the cursor to seem to to be left behind. Since the problem is intermittent, it is not a matter of sensitivity.
  2. A

    keyboard backlight & touchpad problem

    Thanks for your swift response, There is actually no key dedicated to that task. There may be a key combination. Fn+Space was suggested by someone, which did not work. The touch pad was responsive without installing the driver. The lagging started exactly coincident with Synaptics.
  3. A

    keyboard backlight & touchpad problem

    1. I've recently bought ProBook 4540s and wonder how to turn on keyboard backlight. 2. My touch pad was working fine until I installed Synaptics TouchPad Driver 16.3.9. Now the cursor moves with difficulty and lags behind. How can I solve this problem? There's no uninstall option in Program and...