One laptop suddenly cannot connect to any SSID

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  • Updated 5 months ago
I've got one Dell Latitutde E6430 with integrated Broadcom 802.11n WiFi adapter that suddenly cannot connect to any of my three SSID's, while E6430's with Centrino as well as numerous other models are able to connect without issue.  I took the laptop in question home and it connected to my home router with no trouble, so it's not the laptop (in and of itself, at least).

I don't really know where to start looking for an answer.  If anyone can point me to information to get started I would be grateful.

Thanks,

Steve
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Steve Kellogg

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Posted 5 months ago

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Carsten Buchenau, Champ

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Your first step should be to start the Client Monitor for your Dell. In Classic, open Tools / Client Monitor / New, and enter you Laptop's wireless MAC address. Then press Start and connect it to Wifi.

You should now see the Laptop trying to connect, and what exactly is happening. You want to look at the 4-way-handshake, and if it's successful, what is happening afterwards (DHCP working?)

If the handshake does not go through, it is most likely a passphrase / encryption settings issue.