Debian :: No WiFi After Sleep And Boot - Network Manager Cannot Find SSID
Apr 4, 2016
I'm running Debian testing. I am running the iwlwifi driver and I have an Intel Centrino Wireless-N 1000 card. I have a fresh install of iwlwifi and network-manager. After sleep or after being shutdown, network manager cannot find my network's SSID. I have to wait ~5 minutes for it list my SSID. I dual boot this laptop with Windows 7, and on Windows, I connect to the internet instantly after boot. I did not have this issue before, the only thing I have changed was installing blueman and the necessary components. After I installed and uninstalled these bluetooth components, I have been getting these problems. Here are some outputs:
iwconfig:
Code: Select alleth0Â Â Â no wireless extensions.
wlan0   IEEE 802.11bgn ESSID:"Dotcom"Â
     Mode:Managed Frequency:2.462 GHz Access Point: 14:AB:F0:3D:DC:20 Â
     Bit Rate=81 Mb/s  Tx-Power=14 dBm Â
     Retry short limit:7  RTS thr:off  Fragment thr:off
     Encryption key:off
[Code] .....
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Feb 19, 2011
I just installed OpenSuSE 11.3 on an old IBM T20 I had kicking around and I'm using a Proxim Wireless PCMCIA Card (Atheros AR5001X). Since this laptop does not have a DVD drive I installed the system using the Netboot CD and have the SuSE 11.3 ISO on an NFS/SAMBA file server. The issues appeared after the first reboot, the adapter no longer worked. I resorted to using the wired interface to finish the install.
Once the system was up followed the trouble shooting steps outlined in various places and found the ESSID is not being picked up by the ifup scripts. Not sure if it matters but I have ESSID broadcasts turned off on all my WAPs.
The ESSID is in ifcfg-wlan0. To get wireless working I have to manually issue iwconfig wlan0 essid "xxxx"..
Both networkmanager and ifup fail..
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Jul 25, 2010
I'm trying to install Debian via the net install CD and it kept asking me for my WiFi SSID and password instead of using the Ethernet chip which uses the tg3 driver. I took out the WiFi chip and the installer kept asking me which driver to use. I kept selecting tg3 but it wouldn't accept it. The tg3 driver has been in the kernel tree since early 2007. So what's up?
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Jul 19, 2011
I just installed 10.04, just migrating to linux. I can't see the network manager anywhere. I have the applet installed. I can't get the wifi adapter enabled. The chipset iwl8345 shows on the output when I run config. It seems to me that I need to get the NM up and that should doit. here is ishw:
ubuntu@ubuntu:~$ sudo lshw -C network
*-network DISABLED
description: Wireless interface
product: PRO/Wireless 3945ABG [Golan] Network Connection
vendor: Intel Corporation
[Code]....
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Feb 7, 2010
I'm installing Squeeze on on a Dell Latitude D830 laptop with a Broadcom BCM4328 wireless network card, and I'm stuck on getting wireless internet to work. I have the 2.6.32-trunk-686-bigmem kernel. I run KDE and I have knetworkmanager installed to sort the network connections out. Unfortunately, knetworkmanager cannot find any wireless networks for eth2 (the wireless adapter). There is a wireless network, as other equipment can still connect to it.
I've installed the broadcom-sta drivers according to http://wiki.debian.org/wl. When I run iwconfig, I receive the following output: eth2 IEEEE 802.11abgn ESSID:"" Mode:Managed Frequency: 2.412 GHz Access Point: Not-Associated Bit Rate: 14 Mb/s Tx-Power:off Retry min limit: 7 RTS thr:off Fragment thr:off Power ManagementMode: All packages received Link Quality=5/5 Signal level=0 dBm Noise Level=0 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 missed beacon:0
[Code]...
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Jan 24, 2010
I access the internet through a hotspot with the SSID "OzoneBE.net Open Access". Unfortunately this hotspot is massively overused, and on top of that the signal is weak. There are other hotspots with the same SSID nearby. They have weaker signals, but it's possible they may not be so heavily used, or that I might be able to find a line of sight to one of them, so I would at least like to try connecting to them.
Unfortunately KNetworkManager doesn't give you any way of choosing between these different access points and it automatically selects the most powerful signal, as far as I can tell. RutilT can distinguish between them, but when you try to connect to the one you want, it seems that KNetworkManager intervenes and chooses the alternative with the strongest signal again. However if I kill KNetworkManager, RutilT just won't connect to anything. It fails without explanation.
How can I get proper control over my network management so that I can connect to the hotspot of my choosing, regardless of whether it shares an SSID with another?
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Oct 20, 2010
I happened to Fedora 13 that the network manager does not indicate any wifi network and I had to turn off the notebook for a while and then recover, this also happened to me 2 or 3 times on ubuntu 10.04 too. my card is an Atheros AR5007EG.
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Apr 10, 2011
I can't seem to get this to work without having to physically create connections as root. The "Available to all users" in the nm settings box remains uncheckable, despite completing the following tasks:
Ensuring NetworkManager.conf contains
[main]
plugins=keyfile
[code]...
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Oct 26, 2010
My wifi connection drops sometimes and, for some reason, Network Manager attempts to connect to my neighbor's network, which requires a password (which I don't know). Is there any way to blacklist a wireless network so that the Network Manager will never attempt to connect to it?
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May 27, 2009
i'm trying to install virt-manager , to run a couple of virtual machines, i created a virtual nic vnet0 and bridged it to my eth0, i have configured the /etc/network/interfaces file with proper static ip, but i beleive the network manager is renaming my nic to eth1 and causing all kinds of problems. I uninstalled network manager and now i can ping anywhere in the network, but not outside it. ie google.com
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Jul 25, 2011
I wonder if it's possible to configure Debian so that it keeps network connection live while in sleep mode
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Feb 22, 2011
I just installed F14 today, all day I have been trying to get my wifi to work, I keep running in problems I found many threads with links to download drivers. I did that and in the README file loses me. It talks about compile driver from the source code.
PHP Code:
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Dec 26, 2010
i was fed up after i can't connect to wifi using ubuntu. the problem happened after my router is being replaced to a new one because the old one got struck by lightning. good thing i dual-boot my laptop so i can access the internet using Windows 7 now.
i use the default network manager to connect to wifi before, but it all seem to be failed after the replacement of router. i also used Wicd but it failed to connect either. it says in the notification "disconnected: bad password" but the password was right. my wifi used WEP password with open authentication.
i even remove the WEP password and try to connect, but it failed. all i can do is to boot in windows 7 and surf internet there. what could cause this problem? is it the router, the telephone line? i can set the router settings if i want, but i don't know what causes the problem.
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Dec 12, 2010
I've got a Belkin F5D8055 v1 wifi usb adapter. I use the rt2800usb driver for it. Strangely it uses only 54 Mbit/s instead of 300 Mbit/s. I thought it was ok, since I use the wifi only for accessing the internet. However, the network manager keeps dropping the signal, and I can't understand why. I'm close enough to the router.
iwconfig:
wlan0 IEEE 802.11bgn ESSID:"MyHomeRouter"
Mode:Managed Frequency:2.447 GHz Access Point: 00:22:2D:06:2C:50
[code]....
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Mar 11, 2011
I have eventually (a week's work) got my Ubuntu 10.04 to recognise my Asus N13 WiFi dongle (had to compile the source from Ralink with the "y" against the two things it tells you to if you want network manager to work (source that came with dongle wouldn't compile) and then set up rules (for some reason the driver - rt2870sta - wouldn't recognise the dongle until the rule about the vendor and product ID was in place; and the drivers that come with Ubuntu wouldn't recognise it even with the rule in place)).
Big thank you to chilli555 for all of the posts that got me this far.I would like to use the Network Manager app that comes with Ubuntu, to control the dongle. At the moment it will aknowledge when the driver has been loaded (have to do a modprobe), but does not "see" any of the many WiFi routers around my house, so I can't click on one to select one.
My only guess on this is that, to get the dongle to work I copied the config file that is part of the driver source files into /etc/Wireless/RT2870, and this is getting in the way. However, I have tried removing it and the network manager still doesn't work. Or is it because the network manager needs the dongle to be called "wlan0" and it's called "ra0"? If so, can you aliase this?
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Dec 22, 2009
I just installed x64 Fedora, and as the title says, NM fails to detect my WiFi card. It's an Encore ENLWI-N with a RaLink RT2800 chipset. The card does show up when I run lspci, although iwconfig yields nothing.Not sure if this helps, but when Ias running Karmic Koala, Ubuntu detected the card immediately and required no configuration
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Jul 7, 2011
I have a Ubuntu 10.04 laptop that gets its Internet connection via WIFI using WICD as network manager, and Windows XP desktop with no Internet connection. What I want to do is share my Internet connection from my laptop with my desktop via a Ethernet cable. But i have no idea what to do. How do i go about doing this?
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Mar 1, 2010
I can't get debian 5.0.4 i386 to load I can get as far as root for crash repair during boot-up but much further than that and my monitor turns off. Ubuntu 8.04.4 live cd (kernel is 2.6.24 i believe) works but says I have to enter noapic in the boot string. APIC is on and greyed out i.e. not accessible in BIOS --- might be non-compliant Only thing I can think of is to add acpi=off in GRUB entry but the change doesn't seem to work or take effect. I added it to the relevant entries in menu.lst in grub and it still didn't take effect. Grub must be getting its config info somewhere else...
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May 7, 2010
I upgraded from 9.0X to 10.04 on my Sony Vaio VGN-TZ398U which has an internal Sprint mobile broadband card. The card operates properly along with the wireless. The problem that I am having since upgrading is that the Network Manager Applet icon that looks like a cell phone bar display does not show in the notification area at all unless there is a known wireless (wifi) network nearby.
Clarification: If I am in my car, the icon does not show which then makes it impossible to connect using the mobile broadband functions of the Network Manager Applet ( version 0.8 ). If I am in my office with a known wireless network, the icon shows and then I can switch to the mobile card.
I have tried removing the notification area from the panel and adding it again. I have done the same with the indicator applet. Neither has solved this problem.
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Apr 28, 2011
I have been an Ubuntu user for a year or so. My level is still ultra n00b but I am trying. Whenever I update Ubuntu there is always a WiFi problem, always. So now I am having problems getting wifi to work in 10.10. In Network Manager I can view wifi networks fine but I cannot connect. I tried with wicd also but I got as far as "getting ip" and then it would hang up.
lspci
Code:
Code:
Code:
I am not sure what driver I am using as I don't know how to exactly ID my driver. I know there is a way to ID the driver using airodump-ng but I have yet to find it.
I have a feeling this is a driver issue as one time I was able to establish a connection that then dropped a few minutes later. I have a feeling I should be disabling/removing the current driver and replacing it with ipw3945 or possibly a driver ndiswrapped? The problem is I cannot figure out how to remove the current driver.
I was going to switch back to 9.04 but I thought I would try to manually figure this one out instead of taking the easy way.
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Aug 16, 2011
I want to connect my Debian Squeeze machine to my school wireless network with wpa_supplicant.
I think the network uses 802.1X authentication, because when the other students connects to the network for the first time in Windows they enter their username and password then the connection is established. I have asked the the IT staff but they do not known what 802.1X, PEAP EAP etc. is and just say "Enter the login details in the box!".
If I bring a Windows 7 machine to school and successful connects to the network, is it then possible for me to extract the information [and extract a certificate if used on the network] from Windows somehow so i can setup the wpa_supplicant.conf correctly on Debian?
The information I want to extract is which protocols are used, like PEAP,MSCHAP etc.
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Nov 6, 2010
Its just as the name says, i cant find the network manager applet o.o. What happened was it was automatically there when i first got Ubuntu, but after it downloaded the necessary updates on the update manager, i rebooted and it twas gone. Cant find it again :_, any1 know how to activate it or find it again.
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Nov 23, 2010
How do I run Network Manager? I'm new to Ubuntu and have installed 10.04 and am trying to get a USB Dodo mobile wireless broadband to work. I can see Network Manager in SystemPreferencesStartup Application but cant add it to the Panel. I've even removed it and installed it via the Ubuntu software Centre but still cant run it.
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May 6, 2010
I have just installed FC12 on my machine - and gone Windows free for the first time ever. Now I do use various flavours of Linux on a daily basis but not from an installation/sys admin point of view so my questions here may seem a little basic but pleas eindulge me if you will!
Now, my network connection works perfectly well under the following scenarios.
1) FC12, wired to router
2) FC12, wireless, SSID broadcast enabled
3) Ubuntu (laptop), wireless, SSID broadcast DISABLED
The only scenario that does not work is FC12, wireless with SSID broadcast disabled.
I can only assume that it is an issue with my USB modem (a linksys WUSB54GS) since the same set-up works fine from my laptop running Ubuntu with an internal wireless card.
Now, I know from reading the forums that it's pretty easy to get around a disabled SSID broadcast but this is an itch I just have to scratch....what the hell is causing this problem?
nm-tool ouput is as follows:
I have tried using wpa_supplicant but I am not sure which driver I am using here - is it ndiswrapper per chance?
(Driver: rndis_wlan)
How I can connect once again to my wireless router with SSID broadcast turned off.
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Aug 3, 2010
using ndiswrapper for a usbwlan device. Configured and modprobe ndiswrapper confirmed working. When I 'iwlist wlan0 scan'I get cell (wifi network) profiles including my own and several of the neighbours - all showing ssid name and whether key managed or not. When I 'wicd-client' this shows my network as hidden. What makes it even stranger is that wicd-client shows all the neighbours network ssid. Check to see if my router is broadcasting ssid and is without a doubt. I have tried to connect to my router via CLI commands (iwconfig) but unable to connect as is wicd-client - will update with log files on this soon.
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May 8, 2011
I installed lxde on Ubuntu 11.04 but I cannot find any network manager to connect wireless LAN. There are some sort of network manager and they show available signals to connect but cannot find any way to command computer to "connect" it.
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Feb 3, 2016
I have a strange problem in my new debian 8.3 LXDE install. Every time I boot my laptop it goes in to sleep mode automatically after a min. It is a default install and I have not configured any power management options. How do I find out the reason for the automatic sleep and how can I rectify it?
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Jan 13, 2010
I have an intel 3945ABG wireless card. I installed "firmware-iwlwifi" with apt-get but I cannot enter in my network's SSID and wep. On Gnome, I click system, preferences, and networking, and I get that nice network menu, but it doesn't do anything!
It detects my wireless and wired card. I click on wireless, enter in my ssid, click WEP (hexadecimal), enter in my code. I choose auto DHCP. Then in the terminal I type iwconfig. It shows "wlan0" but the SSID field is blank. The wired works but I can't get wireless.
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Feb 8, 2010
To start off I have a Rosewill rnx-n2x wireless adapter and a Dlink 4500 router. The problem is, the wireless network manager detects every wireless router in the neighborhood, except mine. I see this persons, and this persons, but no "My router Not yours". I even tried doing the hidden network setup and still nothing.
I have read that the rnx n2x isnt supported by linux, although I've seen solutions to make it work (which didn't work, mkdir command kept getting denied during make) link to what I'm talking about: [URL]. What I don't get though, is that if the rnx n2x isnt supported by linux, wouldn't I not be getting my neighbors connections to begin with?
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Jan 24, 2016
I've been searching and trying to correct this problem for nigh on 12 hours. I would like to note that I know that hidden SSID are not necessarily much more secure. I have no permission to change the settings where I am. I'm running Debian Jessie. I have no way to get the server a connection other than the WiFi dongle I'm using. I have installed the correct WPA_Supplicant and Wireless Tools for my architecture/distro/version. I also have solved a sub-problem I had earlier; that the drivers for my WiFi dongle come with the kernel, but the firmware does not. That was remedied.
I can see my SSID in my iwlist scan. (iwlist scan | grep ESSID). My current /etc/network/interfaces looks like this:
Code: Select allauto wlan0
   iface wlan0 inet dhcp
   wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
My current /etc/wpa_supplicant/wpa_supplicant.conf looks like this:
Code: Select allnetwork={
   ssid="hundley_1"
   psk=HashedPSK
   scan_ssid=1
}
The original .conf was created by using wpa_passphrase "hundley_1" PASSWORD >
/etc/wpa_supplicant/wpa_supplicant.conf I know for a fact that the security key is correct. I edited the .conf produced to what it is now.
Usign ifup wlan0 and ifdown wlan0 to start and restart the connection yields an error. The gist of the error is:
NO DHCPOFFERS recieved
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