Aron1
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Re: Dell Wireless 1704 802.11b/g/n Cannot connect to Cisco Router

Hi sidgv,

Uninstalled Dell Wireless driver as dell will/not going too provided update for the same as they will only quote with not  known issue and if u say its on community site they would say its just been posted by customer if u like dell keep it or dispose it off as now days WLN card in dell have major problem.

step1:uninstalled dell wireless-Restart laptop

step2:install the driver from leveno site that is Broadcom BCM43142 Wireless LAN Driver (802.11b/g/n)

link here:support.lenovo.com/.../detail.page

let me know if this helps you.