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Hi! I'm running Debian 2.6.12 on a Dell C400, with xserver and KDE 3.4.2
I have read that the max screen resolution is supposed to be 1280 x 960, but despite having selected only this option when running 'dpgk-reconfigure xserver-xorg' I still end up with a 640 x 480 resolution - and when I look at KDE's control centre this is the only option available for the screen. It seems KDE is overriding the xserver setting!
I'd be very grateful for any help, 'cos web pages look very strange with only the top left corner visible on screen - very tedious browsing!
did you make sure your video adapter is working properly? Perhaps the problem is there.
I've never had problems with video adapters in linux (even though I use nVidia and ATI, which are particularly problematic), but under windows if the drivers are not correctly installed then you don't have many options.
I *think* it's an intel i850, using an i810 driver in the xorg.conf file.
Having said that, I can't find anything specific in dmesg about which card it is exactly.
If you think you might have a workaround, I'm willing to try it anyway!
Perhaps I mistitled the thread - maybe it should be "How can I change the screen resolution on a Dell C400?"
Unfortunately it's not as simple as just changing the control panel settings...
The problem is (not my description !)..
"[the Dell C400 BIOS] doesn't allocate enough video memory so that XFree86 is only able to run at low resolutions and/or color depths (e.g. 640x480x16bit). XFree86 can allocate more memory but it can not tell the BIOS it did so, so the BIOS refuses to set higher resolutions.
Here's where the patches come into play: They tell the BIOS the amount of memory XFree86 will allocate so you can use higher resolutions. Note that they do not actually allocate the memory, XFree86 must do that otherwise your system may become unstable because it is using unallocated memory."
Only problem is that the patches in question seem to refer to the 855 chipset, not the 830M like wot i've got.
It's a great little laptop - light, cheap but with enough speed to do most 'work' stuff. Just needs a little tweaking (doesn't everything with linux!).
In fact I've sorted the resolution problem! I reinstalled my system, this time picking only the bits of software I wanted. Xwindows started up in high resolution out-of-the-box. I think the original problem was something to do with the way Debian installs x desktop manager, and gnome desktop manager, and then I installed k desktop manager on top. I think they were all conflicting somehow. Anyway, don' t know why, but if you leave it to xwindows manager it works!