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Old 09-07-2016, 12:45 PM   #1
a1771550
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Unhappy Ubuntu Display Resolution Issue


I am newbie to the ubuntu world. And now I have problem in the display resolution. I am sure that the display card works fine as that did so when the ubuntu was installed. But later I made some mistakes by typing some unknown codes (my big fault) in the terminal, which has made my display resolution limited to the current "800x600". And when I typed the xrandr command, the following codes are shown:

xrandr: Failed to get size of gamma for output default
Screen 0: minimum 800 x 600, current 800 x 600, maximum 800 x 600
default connected primary 800x600+0+0 0mm x 0mm
800x600 75.00*

The unknown coded I typed:
sudo add-apt-repository ppa:gma500/emgd
sudo apt-get update
sudo apt-get install xorg-emgd emgd-dkms emgd-xorg-conf
sudo emgd-xorg-conf (*that command wasn't run successfully in my computer though*)

What should I do to fix that issue? Thanks in advance.

Last edited by a1771550; 09-07-2016 at 12:56 PM. Reason: supplement error codes
 
Old 09-07-2016, 03:48 PM   #2
ondoho
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Registered: Dec 2013
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please post output of
Code:
lspci -k|grep -iEA5 'vga|3d'
uname -rv
sudo grep -C3 EE /var/log/Xorg.0.log
 
Old 09-08-2016, 03:19 AM   #3
a1771550
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Registered: Sep 2016
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Have I learnt enough to throw a towel to the linux ring now?



Thanks for your kind reply.

I formatted both of the usb and the hhd so that I could try to re-install the ubuntu. As a result, it went worse -- the installation always got stuck in the "purple screen" (with the 'white points' under the ubuntu logo refusing to 'move on'). Well, fine, let's take a alternative. Then I tried to install the 'linuxmint 18 Cinnamon', and the installation always complaint that 'cannot find a medium containing a live file system'. I tried and repeated and searched solutions to these two installations over and over again, but all efforts have been in void.

As a newbie, I know I have much to learn before saying 'enough' to this new world. But now it seems I don't have any chance to gain experience in linux.

Here are more details of the installation environment for your reference:
1. fast boot and secure boot have been turned off;
2. 20GB disk spaces have been allocated in an external hhd for installation (but never able to get applied except for the very first time when successfully installing ubuntu).
3. 16GB USB 3.0 has been used;
4. Processor: Intel Core i7-6700HQ CPU @ 2.60HGz 2.59HGz
5. RAM: 16GB(15.9GB usable)
6. 64-bit, x64-based processor
7. touch support
 
Old 09-08-2016, 11:15 AM   #4
ondoho
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Registered: Dec 2013
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2 seperate things:

1. you have to create a live usb bootable medium, the proper way. instructions are usually found on the distro's web pages (and if not, then for me that's a bad sign and i move on to a different distro)

2. when you get the "purple screen" or whatever the equivalent in other distro's is (meaning, it boots ok, but never gets to a login screen), try this: press Ctrl+Alt+F2. if i brings you to a text login, log in and post the output previously requested.
 
Old 09-09-2016, 03:34 AM   #5
a1771550
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Registered: Sep 2016
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problem fixed

hi, thanks for your reply.
Finally I solved the problem by adding 'nomodeset' in the installation process.
After the installation succeed, I added nvidia display driver to ubuntu to get everything looks fine.
I am now on the road to set up lamp environment, which is mainly why I set up ubuntu for.

I know there is still a long way to go in this new world though.
 
  


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