64Sound ProblemsNo sound is produced. Make sure that the volume control is not set too low. Increase the volume. Make sure that the sound is not muted. Make sure that the Tablet PC is not in Sleep mode. If using an external speaker, make sure that the speaker is properlyconnected.Distorted sound is produced. Make sure that the volume control is not set too high or too low. In mostcases, a high setting can cause the audio electronics to distort the sound.Startup ProblemsWhen you turn on the Tablet PC, it does not respond and the PowerIndicator does not light green. If you are using an external AC power, make sure that the AC adapter iscorrectly and securely connected. If so, make sure that the electricaloutlet works properly. If you are using the battery power, make sure that the battery is notdischarged.When you turn on the Tablet PC, it stops after POST. Reset your Tablet PC.WAN ProblemsI cannot use the WLAN feature. Make sure that the WLAN feature is turned on.