Tagdrivers

Stop the blinking wireless LED in Linux

I’ve recently had some problems with the wireless LED of my laptop in Linux. I have a Intel WiFi Link 5100 but this also applies to other Intel WiFi cards.  The LED that indicates that my WiFi is enabled or not, was blinking every time the WiFi card transmitted or received data. This seems like some special feature Intel introduced but it is really very annoying! Luckily you can stop the blinking, but this depends on your kernel version so make sure to look into the right section. I’m posting solutions for Linux Mint (Debian), Ubuntu and Arch Linux but I think this will also work for other distros.

Kernel version lower than 3.2.0

Put this text

options iwlagn led_mode=1

in the following file (possibly you have to create the file):

  • Linux Mint (Debian) or Ubuntu: /etc/modprobe.d/iwlagn.conf
  • Arch Linux: /etc/modprobe.d/modprobe.conf

Now restart your system or reload the WiFi driver using:
sudo -i
modprobe -r iwlagn && modprobe iwlagn

If that doesn’t work, you can try putting the following in the same file:

options iwl_legacy led_mode=1

Kernel version greater or equal to 3.2.0

Put this text

options iwlwifi led_mode=1

in the following file (possibly you have to create the file):

  • Linux Mint (Debian) or Ubuntu: /etc/modprobe.d/wlan.conf
  • Arch Linux: /etc/modprobe.d/modprobe.conf

Now restart your system or reload the WiFi driver using:
sudo -i
modprobe -r iwlwifi && modprobe iwlwifi

If that doesn’t work, you can try putting the following in the same file:

options iwlegacy led_mode=1

This fixed stopped the blinking on my laptop and I hope it also works for you!

ATI Mobility Radeon HD 3650 on Linux/Ubuntu

*** This post was imported from my previous blog, last edit on 17/11/2012 ***

Posted by Tom Desair Sep 11, 2009 12:10:54

After cruising the internet for several days I’ve been able to install the proprietary Linux drivers from ATI for my Mobility HD 3650 on my HP EliteBook 8530p.

Here’s a small how-to for the installation:

First follow this guide: http://wiki.cchtml.com/index.php/Ubuntu_Precise_Installation_Guide using the “Installing the drivers manually ” section.

*WARNING*: The last supported driver version for this card is 12-6. Download it using the command:
wget http://www2.ati.com/drivers/legacy/12-6/amd-driver-installer-12.6-legacy-x86.x86_64.zip

*WARNING 2*: Several people told me that there are problems with Ubuntu 12.10 and its version of X.Org server. I don’t have a solution to this yet because I use Ubuntu 12.04 at the moment.

BUT BEFORE YOU RESTART you also have to run the following command:
sudo aticonfig --acpi-services=off

Now you’re good to go and you can restart your system. Normally everything should be working fine. If this is not the case, you can uninstall the ATI driver using:
sudo apt-get remove --purge fglrx*

And then replace the xorg.conf file with the original one (both found in the /etc/X11/ directory)

Installing the proprietary drivers also increases a lot the battery life of the HP 8530p because now you can use ATI’s PowerPlay. Let me know in the comments below if this worked for you or not and if you are still experiencing problems with the driver.

Greetz and good luck,

Tom

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