90Notebook PC E-Manual4. My battery charge indicator does not light up. What’s wrong?• Check whether the power adapter or battery pack isattached correctly. You may also disconnect the poweradapter or battery pack, wait for a minute, then reconnectthem again to the power outlet and Notebook PC.• If the problem still exists, contact your local ASUS servicecenter for assistance.5. Why is my touchpad not working?Press to enable your touchpad.6. When I play audio and video files, why can’t I hear any soundfrom my Notebook PC’s audio speakers?You can try doing any of the following suggestions:• Press to turn up the speaker volume.• Check if your speakers were set to mute.• Check if a headphone jack is connected to your NotebookPC and remove it.7. What should I do if my Notebook PC’s power adapter gets lostor my battery stops working?Contact your local ASUS service center for assistance.