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Old 04-01-2004, 06:16 PM   #1
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Registered: Jan 2004
Location: UK
Distribution: Fedora Core 3
Posts: 27

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Pre-empting XFree86


I have recently installed XP Pro and Fedora Core 1 dual booting on a Dell Inspiron 8600. Fedora worked fine until I tried to install the driver I downloaded from ATI for my Radeon 9600 Pro. Now whenever Linux starts up, all goes well until the point where the graphical environment starts up. The screen fades to white in a very unusual and worrying manner - although I think the computer continues to start up in the background. I have read many articles on how to configure XFree86 for my particular setup, but I can't see anything! Is there a way to

a) reset to the 'generic VESA' driver that worked before
b) stop XFree86 from starting up, and instead go to a command prompt so I can sort things out?

Thanks in advance
Old 04-01-2004, 07:09 PM   #2
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Registered: Jan 2004
Location: UK
Distribution: Fedora Core 3
Posts: 27

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Well I had looked for ages and found nothing, but then I stumbled across the answer by accident. Ctrl-Alt-F6 takes you to the command prompt, if anyone didn't know. Now it's just a matter of changing XFree86Config by hand, which I can probably do from the help I've already found.

Crisis over.
Old 04-01-2004, 09:33 PM   #3
Registered: Sep 2003
Location: chikyuu (E103N6)
Distribution: Redhat 8.0 (2.4.25-custom), Fedora Core 1 (2.4.30-custom)
Posts: 357

Rep: Reputation: 30
You can laso use Ctrl-Alt-F1, Ctrl-Alt-F2 ... and so on.
Old 04-02-2004, 06:46 AM   #4
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Registered: Jan 2004
Location: UK
Distribution: Fedora Core 3
Posts: 27

Original Poster
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Two steps forward, one step backwards: happily for all concerned, Fedora works fine at the 1600x1200 resolution it defaulted to when I restored the 'generic VESA' driver. It is in fact fully usable.

However, I was interested in getting the full 1920x1200 resolution out of my wide-aspect LCD panel. Some guides on are very helpful regarding many areas of the Inspiron 8600, and some of them suggest adding particular modelines to XF86Config to enable the higher res.

I've added them, but once in KDE I don't seem to be able to select the mode I have created. There is a tool called something like 'Display configuration' where I can choose from various resoultions and colour depths, but the mode I've added to the config file doesn't seem to be showing up in the list. Should it be? If not, how do I select it?

A thought: do I need to set up a specific driver for my graphics card (ATI mobility radeon 9600 pro turbo) before I can use the custom resolution?


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