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Old 12-22-2011, 10:18 AM   #1
b3r3nd
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Registered: Dec 2011
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Ubuntu 10.04 resolution problem


Hello,

I just installed ubuntu 10,04 LTS on my laptop ( http://www.laptopshop.nl/product/148...specifications )
But I cant change the screen resolution higher then: 1024x768(4:3). And the screen looks very blurry and low now. Anybody know how I can fix this problem.

Grapic card:
AMD Radeon HD 6720G2
1024 MB

Thanks.

Greetings, berend.

Last edited by b3r3nd; 12-22-2011 at 10:19 AM.
 
Old 12-22-2011, 10:36 AM   #2
Doc CPU
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Registered: Jun 2011
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Hi there,

pity the forum rules ask for communicating in English; I might just as well have tried in Dutch. :-)

Quote:
Originally Posted by b3r3nd View Post
I just installed ubuntu 10,04 LTS on my laptop ( http://www.laptopshop.nl/product/148...specifications )
Even though it is an LTS: Do you have a reason to choose a nearly 2 year old version?

Quote:
Originally Posted by b3r3nd View Post
But I cant change the screen resolution higher then: 1024x768(4:3). And the screen looks very blurry and low now.
Of course, if an LCD is operated with another than its native resolution, it looks pretty bad.
Are you using the display driver that Ubuntu brings along? Or the proprietary driver?
I can't help you directly, only I know that when I installed Ubuntu 10.04 on my notebook, everything worked out of the box, and the resolution of 1024x600 was recognized correctly. Okay, it's an Intel chipset, but still ...

Groetjes naar Nederland.
[X] Doc CPU
 
Old 12-22-2011, 10:42 AM   #3
b3r3nd
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Registered: Dec 2011
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Okay, so better instal a newer version of ubuntu? And which one you prefer?
 
Old 12-22-2011, 10:47 AM   #4
m_yates
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Registered: Aug 2003
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See this: https://help.ubuntu.com/community/VideoDriverHowto/ATI

I'm guessing that your video chipset is very new and maybe poorly supported by linux and free drivers. Check if the chipset is supported by the proprietary driver. If it is, install it as described in the above link.
 
Old 12-22-2011, 10:50 AM   #5
b3r3nd
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Registered: Dec 2011
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http://support.amd.com/us/gpudownload/Pages/index.aspx <-- If I select my video cart there, I can do:
Linux x86
Linux x86_64

I tried the x86 a already, and I couldn't open that one at all.
 
Old 12-23-2011, 09:07 AM   #6
m_yates
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I just visited: http://support.amd.com/us/gpudownload/Pages/index.aspx

It doesn't appear to have your exact video chip listed, but has "Radeon HD 6xxxM". If you select that, it gives a download link for "AMD Catalyst™ 11.11 Proprietary Linux x86 Display Driver". I would suggest trying to download that driver and installing it as described here: https://help.ubuntu.com/community/VideoDriverHowto/ATI

The instructions in the Ubuntu community help link show how to create *.deb files from the *.run file you download. The advantage of installing that way is that you can use apt or synaptic to install and uninstall if needed. You can also install as described in the release notes: http://www2.ati.com/relnotes/Catalys..._Installer.pdf, but if you do it that way, apt won't know it has been installed.

If the driver doesn't work, there is a chance that you will see a blank screen upon rebooting. Hopefully that won't happen. If it does, you can press CTL+ALT+F1 and get a plain text login screen. You can login that way and use apt to remove the drivers and reboot. From the command line:
Code:
sudo apt-get remove fglrx*
should remove what you installed and return to the default display driver.
 
  


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