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CanisMajoris 2013년 2월 22일 오후 6시 42분
Open GL error. Can't start TF2
Hi I recently installed linux ubuntu 12.04 on my imac. I tried staring TF2 but it gave me a open gl error saying something about gl_ext_texture_srgb_decode. How do I fix this? I'm new to linux so detailed solutions would be nice. I also have a radeon 2400 HD gpu.
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[TUX]pab.lo 2013년 2월 22일 오후 7시 16분 
Have you installed the proprietary drivers or are you using the default open source ones?. System administration --> Additional drivers should do it.
CanisMajoris 2013년 2월 22일 오후 8시 48분 
I already installed the additional drivers ati thing.
Anorak Man 2013년 2월 23일 오전 12시 23분 
The radeon 2400 HD needs the newest legacy drivers, which are not in the official repositories yet ( i think ).
There are instructions here for 12.10, http://ubuntuxtreme.com/howto/how-to-fix-your-amd-graphics-in-ubuntu-12-10/
but you're in 12.04.
I think you'll have to install the driver yourself.

Try reading this post http://steamcommunity.com/app/221410/discussions/4/864957183207954831/
CanisMajoris 2013년 2월 23일 오전 6시 00분 
Thanks but how do I install the drivers correctly? Do I just un zip them?
Anorak Man 2013년 2월 23일 오전 6시 31분 
Actually, you might be able to use this ppa:

From a terminal, run the following:

sudo add-apt-repository ppa:makson96/fglrx
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install fglrx-legacy

Then reboot.
CanisMajoris 2013년 2월 23일 오전 7시 08분 
I did all of the commands but the last one says it was unable to locate package fglrx-legacy
Anorak Man 2013년 2월 23일 오전 7시 32분 
I hoped that would work. The PPA is for 12.10 but I found someone saying it was working on 12.04 too.

Can you try rebooting and trying again? I sincerely doubt it will work, but just in case. Otherwise it's manual driver install time.
CanisMajoris 2013년 2월 23일 오전 7시 40분 
Yep it didn't work again. So how do I manually install the driver? Also thanks for the help so far :)
Anorak Man 2013년 2월 23일 오전 7시 41분 
Manual driver install:
//this command downloads the driver
#wget http://www2.ati.com/drivers/legacy/amd-driver-installer-catalyst-13.1-legacy-linux-x86.x86_64.zip

//this command unzips the driver
#unzip amd-driver-installer-catalyst-13.1-legacy-linux-x86.x86_64.zip

//this command removes any other ATI drivers
#sudo apt-get remove fglrx*

//this prepares the system. There's a lot of stuff in here and it would take all day to explain it
#sudo apt-get install debhelper dh-modaliases execstack build-essential cdbs fakeroot dh-make debhelper debconf libstdc++5 dkms linux-headers-$(uname -r)

//this actually does the install
#sudo sh ./amd-driver-installer-**-*-x86.x86_64.run --buildandinstallpkg

//this configures it.
#sudo /usr/bin/aticonfig --initial

After this, reboot.
CanisMajoris 2013년 2월 23일 오전 7시 55분 
Okay I quess it worked but now I'm getting a new error. It says to require open GL extension "GL_EXT_texture_compression_s3tc" is not supported please install S3TC texture support.
Anorak Man 2013년 2월 23일 오전 8시 16분 
Which one worked? The PPA or the manual install?
CanisMajoris 2013년 2월 23일 오전 8시 17분 
Manual install.
Anorak Man 2013년 2월 23일 오전 8시 18분 
Ok. Can you please run steam from the terminal, and paste the output from steam to here?
CanisMajoris 2013년 2월 23일 오전 8시 23분 
How?
CanisMajoris 2013년 2월 23일 오전 8시 32분 
Oh crap I thought reinstalling the ati drivers form te additional drivers thing would fix the problem but it just gives me the same problem with the srgb texture thing.
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