This laptop had some user profile problems. Now sorted, but no wireless icon and no connection. I have uninstalled the WLAN driver, then downloaded the latest one from Dell. In DevMan, WLAN adaptor shows as working normally. In Network and Sharing Centre, Wireless Network Connection shows as Disabled. I right click and choose Enable - a panel pops up, says enabling then Enabled, but Wireless Network Connection still shows Disabled. Off out for a couple of hours - any thoughts welcome (I'm sure I've had this snag before, but memory isn't what it was!).