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I installed ubuntu 12.04 on my dell inspiron 5720 and I can't connect to any wireless networks, at the right top, it doesn't show any networks.

I tried both the 32bit and 64bit versions, I reinstalled my os several times, I googled a lot, and none of it seems to work. My pc is dual boot with windows 7, and the wireless is working fine there so my network card is allright

I searched for additional drivers in system settings and it can't find anything then I went to the software-center to install of the broadcom stuff but still no wireless

the output of

lspci -vvnn | grep 14e4

is

02:00.0 Network controller [0280]: Broadcom Corporation Device [14e4:4365] (rev 01)

it doesn't even show wlan

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1 Answer 1

Please see here. You have the same device and need the same fix, including a 64-bit installation: Dell Inspiron 5720 Wifi (Broadcom BCM43142, Ubuntu 12.10)

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That didn't work, I get this error when I install the .deb package dpkg: vereistenproblemen verhinderen de configuratie van wireless-bcm43142-dkms: wireless-bcm43142-dkms is afhankelijk van dkms (>= 2.1.0.0); maar: Pakket `dkms' is niet geïnstalleerd. dpkg: fout bij afhandelen van wireless-bcm43142-dkms (--install): vereistenproblemen - blijft ongeconfigureerd Fouten gevonden tijdens behandelen van: wireless-bcm43142-dkms I hope you understand it, it's in dutch. If I trie to translate it, it says: error at dealing with -package name- requirement problem - remains uncofigured –  Wouter Vandenputte Nov 19 '12 at 16:27
    
never mind, it worked now somehow! THANKS! If you weren't a guy, I'd kiss you –  Wouter Vandenputte Nov 19 '12 at 16:37

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