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[ubuntu] Wireless won't work after resume

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http://ubuntuforums.org – Hi everyone! I just installed Ubuntu on my laptop, and almost everything works fine. There is one problem I couldn't solve this far, and it is that the Wifi interface won't work after suspend. I have tried adding "networking" to the list of services to be stopped and restarted after resume in /etc/default/acpi-support. But with no result; actually it seems to ignore the line. When I restart networking manually, it works back. My gess is that for some reason, Ununtu is ignoring the list of services to be stopped. Anyone had the same problem? Is it a bug or a feature? :P Thanks in advance! (Hardware)

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Submitted by colm on 07/18/2009 – Made popular on 07/18/2009

Stories similar to [ubuntu] Wireless won't work after resume

Hello, new user to Ubuntu Netbook Remix and had a question about resuming from suspend. I have a Toshiba NB205 netbook and I have the classic issues that come with it being installed with Ubuntu, no bluetooth and no speaker output. I was able to get my bluetooth to work with the omnibook-source code, but only when I boot it up.

I'll copy the post of "ethanay" from the m1330 thread that seems to be unanswered... I'm having the same problem: " Suspend works for me mostly, but when I close the lid and leave it suspended for a while, then resume, it automatically suspends a 2nd time.

Hi *

I installed Ubuntu 12.04 on my MacBook Pro 8, 1 when it was released. It has been working well overall, but I have a problem when it comes to suspend and resume operations.

When instructed to (by the closing of the lid etc.), the laptop suspends most of the time.

I have Ubuntu 9.10 running on a Dell E6400. Nearly every time when I start it up, wireless networking doesn't work. If I click on the networking icon, Wired Networking shows "Disabled" (which is normal) and Wireless Networking shows "Networking is disabled".

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My work computer has the annoying quality of needing the eth0 interface restarted (ifconfig eth0 down && ifconfig eth0 up) when I resume the computer from being suspended. I'm using systemd as my init system and networking is simply managed by dhcpcd@eth0.service. I have almost the same setup at home and I don't have this problem.

I added a WinTV-HVR-1600 tuner card to my GA-MA790X-UD4P motherboard. For some reason suspend, S(3), will no longer resume. It worked fine before adding the card. The computer works fine otherwise. When I attempt to turn the computer back on after it is suspended, it tries to turn on, but the monitor never gets a signal and the computer remains unresponsive, but powered.

I have new System 76 Pangolin laptop. When Ubuntu first installed, wireless worked fine. I could see the internet and the wireless-attached printer on my Linksys home network. After a day or so, wireless no longer works. It is not a home network problem, because several other laptops on the same network work fine. Seems like my wifi card (Realtek rtl819xSE) is no longer powered on?