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I have installed the latest debian on a dell optiplex gx260 which has a 82845G chipset and there are some strange problems.
The system is configured with autologon as a standard user.
Sometimes, after logging on, the screen goes black but if I connect to it with vnc, I get a working desktop.
Yesterday I booted it without a display attached to it and now I cannot set it to the right screen resolution anymore (1440 x 900) which was working fine before.
I have googled and searh the forum but cannot find the right information.
According to Intel, the latest driver should be in the distro but I cannot find any details about that (version/date).
Screen 0: minimum 320 x 200, current 1280 x 800, maximum 1280 x 1280
VGA connected 1280x800+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
Any suggestions on solving this are more then welcome!
The contents of Xorg.0.log will give you some information about what is happening on startup.
I didn't expect that your /etc/X11/xorg.conf would have anything in it on a clean install. You could try renaming it (so you can reinstate it if you need to), and create an xorg.conf that is empty. On Debian Lenny, an empty xorg.conf is the default; the content means that some later configuration changes have been made.
It does happen that X sometimes doesn't detect all the possible resolutions (some devices do not quite follow the standard). The automatically detected settings can be overridden by setting up xorg.conf, but I just wanted to be sure that you could at least get X starting reliably without it.
If X is starting consistently, ignore my suggestion about other devices failing.
If you have a look in your /etc/X11 directory, you may find older versions of xorg.conf with some working settings. The relevant sections are the Monitor section (particularly HorizSync and VertRefresh), and the Screen section (particularly the Display resolutions).
I'm don't know what changed your xorg.conf in the first place.
Last edited by neonsignal; 01-14-2010 at 08:56 PM.
If the xorg.conf you tried is working, then go with it.
Some of it is not relevant to your system, but you can always edit it if you need to, as you learn what different parts of it mean. 'man xorg.conf' will give you a description, but there is a fair bit to read through.
The only thing is that my mouse is not functioning but with vnc it is, how is this possible?
The mouse driver is also set up by xorg.conf, and the xorg.conf you tried had a specific setup which doesn't match yours. It works with vnc because vnc isn't using the mouse driver on the target computer, it is using the mouse driver on the computer you are jumping in from.
You can have a fairly minimal mouse setup in xorg.conf, and the system will (hopefully) work out the rest, eg
at first it was working, I selected 1440x900 as resolotion, rebooted and the image was darker then it should be. Rebooted once again and got a 'failed to start x server' error again - see the enclosed logfile.
Rebooting again bypasses the error again...
Ok, thanks A LOT for helping out! Gotta go to bed now since it's 4:37 a.m. over here!
Last edited by Peterken; 01-14-2010 at 10:38 PM.
Reason: added info
Another couple of things to try (it might be a problem with the intel driver).
In xorg.conf, try replacing this line:
If that doesn't help (or doesn't work at all), go back to the intel driver and try uncommenting the acceleration line:
If the 'no acceleration' solves the problem, it points to a driver issue. The system will work without the acceleration, but it will significantly slow down desktop effects and may make 3D games unusable.
Thanks for your tips: I just changed those settings in my xorg.conf file and it's a big improvement!
I also activated the no acceleration option immediately since the system doesn't need any 3-D related stuff.
Rebooted the system about 20 times and now it's a lot more consistent.
There is one issue though: the colors are still not what they should be. I tried to change the refresh rates in the monitor section according to the display connected but that didn't go well.