With Satellite U400 wireless issue

Hello guys,.

my laptop is Satellite U400-10n. (Vista OS)
It was working perfectly. But now I can't connect to a wireless network. When I search a wireless network, sometimes nothing comes. I use cisco Network Magic program, but it did not help. I've tried everything. I turned off the Bluetooth device. I have disabled all devices (cell phones). I have a cordless phone; I turned it off as well.
I tried to update the wireless network device, but did not help either.

Please guys I need your help.

For the WLAN configuration you don't need to use additional applications and you can configure it with settings of Windows.
In any case, check all the WLAN settings. Make sure that the WLAN card and your router use the same WLAN, standard, try restarting your router.

Have you tried to connect your laptop to some other WLAN?
Your laptop can detect the other wireless networks?

Tags: Toshiba

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