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One laptop cannot connect to home network when others can

I have a Dell Latitute E5530 laptop that won't connect to my secured home SSID. I have 2 other laptops connected to it wireless, plus phones, plus 2 TV's (via a Roku and a Chromecast). I thought there might be a limit to what I can connect (i.e., 5 devices), however I brought home a 2nd laptop from work and that connected with no issue while the Dell Latitude still cannot. I don't even get the option to type in the Password Key, it simply says "Cannot connect to the network". I'm able to connect to an unsecured network with this same machine, no problem. I've tried reset the network adapter, I'm just stumped at this as to why this computer won't connect.

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Me too.

It was our very old XP machine. We factory restored it and it won't connect. Turns out that we needed to update the WiFi driver after the OS was updated. Confirmed.

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Try these steps for error cant connect to home network
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Older Comps May Not Have Options for WPA/WPA2

As Bob mentioned above, check the computer manufacturer's website for an updated wireless driver. If the older wireless driver doesn't support WPA/WPA2 password security in the router, then an updated driver might allow for a connection. If that doesn't work, then we fix the problem by purchasing an inexpensive external USB wireless adapter dongle, disable the old wireless adapter in device manager, then plug in the new USB device, install software if needed, and connect.

Hope this helps.

Grif

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