If you’ve installed it, purge it. I’ve also stumbled upon these answers with a check lspci -nn grep Network For pci. After all this, the system was ready–desktop and its files. This package was perviously installed on my computer, but the Wifi wasn’t working no detection of any wireless network, since the upgrade to Ubuntu ID and the method to install the driver associated with it in a simple and correct way. On some specific scenarios, installing the drivers, be it in offline mode through various DEB packages or through apt-get with internet access, will not work if Secure Boot is not disabled. No products Shipping 0.

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BroadCom BCM94312MCG BCM4312 459263-001 Mini PCI-E Wireless Lan WLAN Wifi Wi Fi Card 802.11 4321MC

Just give it a try, if it works, awesome, if it doesn’t there are so many more solutions offered which are notably more analytical and proficient.

TristanT – Awesome work!. Silambarasan 2, 8 20 First I uninstalled bcmwl-kernel-source Then installed firmware-binstaller and bfwcutter which rebuilt the wifi drivers I then had to restart. Then in bcm49312mcg terminal, execute: To be clear with referencing the different IDs, make sure to consult the STA link above prior to reading on, and comprare to yours via: To configure your wireless devices through the terminal I recommend How to connect and disconnect to wlreless network manually in terminal?

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With rfkill I can see: Turns out the driver is in that one for the specific kernel version.

If you’re behind on versions, Vcm94312mcg suggest the upgrade but for a quick fix, you can take a look at the mainline kernels and try one of those. This is a common problem to Broadcom wireless chip.

I removed the cycled battery and hit the power-button 20 long and short presses to reset the BIOS. This can happen with modern Routers that have the ability to extend the wireless connection by offering the same SSID.

BCMMCG User manual 3 of 3 (g Wireless LAN PCI-E Mini Card) by Compal Electronics

First check bcm94312mg it hard-blocked. I read that this will be of no use with BCM Ask Ubuntu works best with JavaScript enabled. Following Andy’s instructions, first I removed and reinstalled the Oan drivers with: Then you probably are lacking the firmware for the broadcom card. With the STA driver I can search the network, but the connection never finishes. I’ve also stumbled upon these answers with a check lspci -nn grep Network For pci.

And add the headers dependency, you could remove them afterwards–and surely you’d have to rebuild the module upon kernel change. Previous USB and card First uninstall the proprietary driver from ‘additional drivers”.

Open Software Centersearch and install the following packages. I had to undo the extra steps of editing the blacklist file.

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Wireless WiFi Card Broadcom Bcm94312mcg 802.11n

Run the following commands to get the Wifi pan working:. Petronilla Escarabajo bcm94312ncg, 7 7. This problem was solved by the following steps: When that happens, first check if your card is indeed supported by the STA driver, and to do that, open a terminal window ctrl-alt-t and run lspci -nn grep -i BCM The output will include the wireless card model, make sure it is among the models listed below.

Remember to have a clean system before installing it: Preparing the System If you have just installed Ubuntu, you will need to build an index of available packages before we can install your driver if you have not done so already: You may need to install synaptic or your favorite package manager. It would see the wireless Bcm94312mct but when trying to connect to it, it would enter an reconnecting loop.

Link 1 – https: This means that you will only have to install this particular package since it appears in all Ubuntu version columns.

In the Method field select Ignore. In the case where either the blacklist.