117Dealing with Problems (Advanced)Communications with access point arecut offz Shorten the distance between the computer and the access point, and try thedetection again.z If there are multiple access points aside from the access point to which thiscomputer is connected, confirm that different channels have been set for eachaccess point.Unable to connect to a network z Is the IP address of the access point wrong?Following the operating instructions of the access point, set the IP address ofthe access point again correctly.Cannot communicate via an ADSL, orcable modem..z Check to see whether IP address and DHCP server settings are set asindicated by the ISP provider.Cannot set wireless LAN to [Enable] or[Disable]z It may become impossible to set the wireless LAN to [Enable] or [Disable] ifthese settings are changed repeatedly on the [Network Connection] screen. Inthis case, restart the computer.z Press the F9 key in the Setup Utility. This will restore the Setup Utility'ssettings to their default values (except the password settings).Cannot communicate usingIEEE802.11az Install the Wireless LAN Switch. (Î page 82)The Wireless LAN Switch icon (or ) is not displayed.z Enable the wireless LAN using [Device Manager] or the Setup Utility.z Install the Wireless LAN Switch. (Î page 82) Connecting PeripheralsAn error occurs while installing thedriverz When you install the driver for a PC Card or peripheral device, be sure to use adriver that is compatible with the operating system. If you use an incompatibledriver, malfunction may occur. For information on drivers, contact themanufacturer of the peripheral device you purchased. Networking: Wireless LAN (only for models with wireless LAN)