Screen Resolution

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Screen Resolution

Postby Ronnie on Sat Feb 10, 2007 1:30 pm

Hi all am trying to move from the dark side and need some help.
I installed Bianca this morning and my screen resolution is set at 640x480 with no other options available.
I tried to edit the xorg.conf file but receive a message saying I do not have permission to change it. I am a new user of Linux and don't know where to go from here. I have not found a way to change the monitor properties, It is set as "DPMS" in xorg.conf which I believe is correct. I am using a 15 inch Sony LCD. I have Ubuntu "Edgy" installed on another partition and it is OK on this monitor but I had to install Edgy with a 17 inch CRT and then switch to the Sony LCD to get it to allow me to change the resolution. I am new to these forums and not sure if my post is within guidelines if it is not please correct me and I will do my best to meet them. I know I can reinstall with the CRT attached and then change to the LCD but would like to know how to edit the properties without going to all that trouble.
Thanks in advance for any help.
Ronnie
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Screen Resolution

Postby npap on Sat Mar 03, 2007 3:05 pm

Hello Ronnie,
Did you check the Screen Resolution panel in Menu>Control Center>Desktop>Screen Resolution ?
Good luck, npap
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Postby Husse on Sat Mar 03, 2007 6:36 pm

What graphics card do you have?
I found an oddity with my nVidia card. After installing the driver (and thanks for envy!) you get System tools>nVidia Xserver settings in the menu. I could set a higher resolution there than in Menu>Control Center>Desktop>Screen Resolution but the setting was not sticky, gone after reboot.
I had to manually edit the xorg.conf file and add the resolution I wanted. No big deal if you're a computer geek even without Linux experience...but I'd rather not have to do it :)
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Screen Resolution

Postby npap on Sun Mar 04, 2007 6:46 am

Good Morning Husse,
I have an Intel graphics card. My resolution is 1024x768, and my monitor 17" Generic.
The only problem I have is logging in. :? It seems, since the default Ubuntu Edgy
resolution is 1280x1024 and apparently my graphics card or monitor can't handle it, I have to use the Auto Login option. Otherwise, I must try to log in in 'safe mode' :o
Regards, npap

PS. Though I have set 1024x768 as default, my PC always starts with the higher
resolution, and then it goes to the lower one :? . This was a problem with all Ubuntu live Versions.
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Postby Husse on Sun Mar 04, 2007 8:08 am

Morning npap
What about commenting out all instances of a resulution higher than 1024*768 in xorg.conf?
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Postby Husse on Sun Mar 04, 2007 8:10 am

Ronnie
You must sudo to be able to edit xorg.conf

sudo gedit /etc/X11/xorg.conf should do it - if you remember your password :)
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Postby npap on Sun Mar 04, 2007 12:10 pm

Good Evening Husse,
I did as you suggested and got rid of the high resolution.
I only found out that it is a login problem and it is not affected by resolution. My PC freezes most of the time when I try to log in. I can't even use the mouse, and I have to restart. :o
Anyway, thank you for your help. At least I learned how to edit xorg.config.
BTW, the login problem happens to be exclusive to Ubuntu Live distros.
Greetings, npap
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