I cannot communicate with the computer in the network whenInfrastructure mode is configured. Make sure that the Access Point your Tablet PC is associated with ispowered on and all the LEDs are working properly. If the operating radio channel is in poor quality, change the Access Pointand all the wireless station(s) within the BSSID to another radio channel. Your Tablet PC may be in an out-of-range situation. Move your Tablet PCcloser to the Access Point it is associated with. Make sure that your Tablet PC is configured with the same securityoption (encryption) to the Access Point. Use the Web Manager/Telnet of the Access Point to check whether it isconnected to the network. Reconfigure and reset the Access Point.I cannot access the network. Make sure that the network configuration is appropriate. Make sure that the user name or password is correct. You have moved out of range of the network. Turn off power management.Other ProblemsThe date/time is incorrect. Correct the date and time via the operating system or BIOS Setupprogram. After you have performed everything as described above and still havethe incorrect date and time every time you turn on the Tablet PC, theRTC (Real-Time Clock) battery is at the end of its life. Call an authorizeddealer to replace the RTC battery.