161
votes
46answers
804k views

Installing Broadcom Wireless Drivers

I'm having serious problems installing the Broadcom drivers for Ubuntu. It worked perfectly on my previous version, but now, it is impossible. What are the steps to install Broadcom wireless drivers ...
6
votes
4answers
19k views

how do I install a network manager on Ubuntu?

I uninstalled my network manager trying to fix a problem. Now I have no network manager and therefore no internet. So I need one and I need to install it?
185
votes
40answers
541k views

How to fix “The system is running in low-graphics mode” error?

Note: This is an attempt to create a canonical question that covers all instances of "low-graphics mode" error that occurs to a user, including but not limited to installation of wrong ...
0
votes
1answer
18 views

Trying to find if internet connection is 2.4 or 5ghz, in order to purchase proper tv streaming stick

I'm currently in the market for a Tv streaming stick, and I planned on purchasing the chromecast... but I just read that it only runs on 2.4 ghz, and some of the others will run on either 2.4 or 5. ...
0
votes
0answers
109 views

Wifi not working Lenovo G50-30 Ubuntu 16.04

I have a Lenovo G50-30, and today I updated to Ubuntu 16.04, and my wifi is no longer working. The output of ifconfig doesn't show the wifi either.
49
votes
6answers
210k views

How do I connect to a WPA wifi network using the command line?

So basically, I'd like to use iwconfig to connect to my wifi network when I'm not inside X. But I just don't see a way to do it in the man page. Any idea?
1
vote
0answers
34 views

Mistake by un-installing file manager – blank screen

I have un-installed PcManfm, default file manager from Lubuntu as I was too annoyed by it and wanted to install Dolphin. To avoid any conflicts I did this before installing Dolphin and stupidly I ...
3
votes
1answer
5k views

How can I display the list of available WiFi networks?

WiFi works fine on various Wifi networks. But the list of avilable networks accessed from the toolbar icon of nm-applet by no longer appears. I just see the known networks. The list of hidden ...
2
votes
1answer
32k views

ubuntu 14.04 connect to a wifi network using command line [duplicate]

I have installed Ubuntu 14.04 server and I need to connect to my WiFi network. How can I connect to my WiFi network using only the command line.
0
votes
2answers
3k views

USB Wifi card TL-WN823N in Ubuntu 14.04.2

I have installed Ubuntu 14.04.2 in an old VAIO notebok (MODEL PCG-5J2L). It has a builtin wifi NIC, but it doesn't work for Windows nor Ubuntu. I've switched it off. I bought an USB wifi card TP Link ...
0
votes
1answer
2k views

wpa_supplicant does not connect with “ioctl[SIOCSIWENCODEEXT]: Invalid argument” error!

Ubuntu Server 12.04 is installed on my desktop system (in text-mode, no X-Window is available) and I have no wired Ethernet connected, just wireless network is available. I use TP-Link TL-WN723N USB ...
10
votes
2answers
4k views

How can I configure my headless server to connect to a wireless network automatically?

I'm setting up a headless server, but I don't have ethernet access where I want to put it, so I need it to automatically connect to my WiFi network when it boots up (it has a wireless card). I can ...
0
votes
0answers
16 views

how to connet to hidden network from terminal [duplicate]

My Ubuntu graphics has stopped working. I can only access the terminal. So I am trying to connect to a hidden network through the terminal. I have tried using iwconfig for the same. But with no ...
0
votes
0answers
630 views

(Ubuntu Server 14.10) Cannot connect to wireless [duplicate]

I just recently acquire a computer that had windows on it, and the wireless worked fine. I installed Ubuntu, removing windows. Having started it for the first time, I find that I am unable to connect ...
0
votes
2answers
1k views

Cannot connect to wifi using lubuntu GUI on Ubuntu server 14.04

As a first, I just want to say that this website is brilliant and has helped me no end whilst getting back into Ubuntu. I have recently converted a VAIO laptop to run Ubuntu server 14.04. The first ...

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