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0
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1answer
309 views

Wifi works on live cd but not when I boot from hd

I have been installing different variants of Ubuntu over the last couple of days. I have installed linux mint, lubuntu, kubuntu, xubuntu, ES luma. The following behavior is present in all of them. ...
0
votes
2answers
214 views

Intel Centrino Centrino Advanced-N 6235 weak wireless reception

I use this card in a computer with Ubuntu 12.04.3 installed. The wi-fi works, but the reception is very weak, compared to a Windows based pc at the exact same place (plus other issues like when ...
0
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0answers
63 views

Display issue on Ubuntu 12.04 with Thinkpad SL500

I installed Ubunutu 12.04 to a thinkpad SL500 (only OS on the machine), it worked fine once installed, I was making some changes to the configurations (installing some development packages and setting ...
1
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0answers
17 views

wifi driver intel centrino problem [duplicate]

I am having intel centrino wireless n 2230 card which i have trying to install through iwlwifi*.tar and then copying .ucode to firmware and then running modprobe twice but it wasnt available even i ...
2
votes
2answers
134 views

Fix for “Wireless disabled by hardware key” in dual boot system win8.1/Ubuntu 13.04

I have a dual boot system with windows 8.1 and Ubuntu 13.04 I upgraded from windows 7 and since then I have been unable to browse via wireless on Ubuntu I have tried all the tips I can find but none ...
0
votes
1answer
164 views

Change wireless paramaters in Ubuntu

My laptop has windows 8 and i have a Intel Centrino N 2230 wireless adapter. I had issues with connecting to Internet over WI-FI and in order to fix this,i changed the WI-FI adapter property to ...
0
votes
0answers
71 views

Wifi slow to connect - works fine afterwards

Wifi works fine in general, but what I find annoying sometimes, when I'm in a hurry, is that when I wake my laptop up from stand by wifi doesn't connect for about 10 seconds. The same happens when I ...
1
vote
1answer
245 views

No network drivers after ubuntu netinstall

After a minimal/net installation of Ubuntu 13.04 (mini.iso) both drivers for wifi and wired network are missing. Wired: Atheros 8131 I did some research here and it seems to compile the needed ...
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0answers
213 views

Wifi on Dell XPS 12 connects, but slows down and eventually stops until a reboot on 13.04

Using a Dell XPS 12, and Ubuntu 13.04. Wifi will work on a cold boot for a few minutes, then slow to a crawl and eventually stop. And even when it is working, copying a file only does about 300Kbps ...
1
vote
0answers
242 views

Installing Ubuntu on an older laptop

I am trying to install Ubuntu on an older laptop. I made a bootable CD and restarted the computer. The following error came up: This kernel requires the following features not present on the CPU: pae ...
2
votes
0answers
375 views

Wifi slows to crawl Intel Centrino wireless -N 1000

I've been experiencing sever bandwidth issues with my laptop and was hoping someone could help me resolve them. Speedtest.net typically reports my dl rate is ~ 18 Mb, upload ~ 2.5 Mb and ping ~ 20ms, ...
1
vote
0answers
235 views

13.04 - Random Lag Spikes on Wifi

I get random lag spikes on my wifi connection. Here's what pinging a computer on the local network does: 64 bytes from 192.168.1.99: icmp_req=10 ttl=64 time=2.06 ms 64 bytes from 192.168.1.99: ...
4
votes
0answers
4k views

Wireless with Intel Centrino Advanced-N 6235

I installed Ubuntu 12.10 on a Samsung Series 5 530U3C-A0J and while Ethernet works, I am having trouble with wireless LAN. It manages to establish a connection to my router without any problems, but ...
1
vote
0answers
498 views

Intel Centrino Wireless-N 2230. Lenovo Thinkpad T430u. Wifi not Working. Network-manager-applet not visible in system tray

my specs sudo lshw -C network *-network DEAKTIVIERT Beschreibung: Kabellose Verbindung Produkt: Centrino Wireless-N 2230 Hersteller: Intel Corporation Physische ID: ...
0
votes
1answer
849 views

soft-blocked on my wireless interfaces

I have a new laptop with a centrino wireless card. I installed ubuntu on it and all seemed fine until I upgraded the kernel, and rebooted. My wireless stopped working despite toggling the wireless ...
1
vote
0answers
166 views

Problem connecting to certain WiFi networks

I'm using Lenovo u300s (it has Intel Centrino Wireless-N 1030 card), and I can connect to wireless network at home with no problem, but I cannot connect to any networks at my university. I'm not ...
1
vote
0answers
462 views

Wireless N in Samsung Series 9 NP900X3A (Intel Ultimate-N 6300)

after install a fresh Ubuntu LTS 12.04 (Precise Pangolin) in my Samsung Series 9 NP900X3A the wireless network become super unstable. After boot I can only connect for a few seconds and traffic stops ...
2
votes
1answer
4k views

WiFi stops working after a while in Lenovo ThinkPad W520 (Ubuntu 12.04)

After several minutes(I do not know how many) there is no internet connection on my laptop via Wi-Fi.Ubuntu doesn't show any kind of message that my WiFi was disconnected neither there is a signal ...
1
vote
0answers
42 views

HP Pavilion dv4-3029tx Wireless [duplicate]

Possible Duplicate: Wifi disabled for Intel Centrino Wireless-N 1000 Intel in 12.04 I just bought an HP dv4-3029tx and installed Ubuntu 12.04 on it. It has a centrino wireless-n 1030 card. ...
0
votes
1answer
796 views

Internet goes on and off after updating to 12.04

For some reason I have yet to understand, when I upgraded from 11.10 (working flawlessly) to 12.04, internet seems not to work after a while and the only solutions are either to reboot or to disable ...
1
vote
1answer
334 views

centrino N-1000 wireless conected with internet access until i start browsing

I am new to UBUNTU and have been researching this for awhile now. Still cant seem to come up with any thing. I am in the communications field, so i have a general idea of how things work. I am in ...
2
votes
1answer
420 views

WiFi is slower than in Windows

The built-in WiFi network adapter in my netbook works fine in Windows, but in Ubuntu it is much slower, to the point where the web is hardly usable. Why might this be? I've tried using an external ...
0
votes
1answer
379 views

Intel Centrino 1000 not working on an hp dm4t

I've an HP dm4t laptop with an Intel Centrino Wireless 1000 card. Everything was working fine on Natty but when I upgraded to Oneiric, the wireless (specifically connectin to WPA2 Personal) stopped ...