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Old 06-17-2004, 11:22 AM   #16
Seventh
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Registered: Dec 2003
Location: Boston, MA
Distribution: Redhat / Debian
Posts: 269

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If we can get you to XF86Config editing goodness:

Here's the stats on your monitor

And in case that link goes bad:

Quote:
Horizontal scan range: 30 kHz to 85 kHz (automatic)
Vertical scan range: 48 Hz to 120 Hz (automatic)
Optimal preset resolution: 1024 x 768 at 85 Hz
Highest preset resolution: 1600 x 1200 at 60 Hz
Highest addressable resolution: 1600 x 1200 at 65 Hz
Your XF86Config should (Eventually) have a section that looks kind of like:

Code:
Section "Monitor"
	Identifier      "Monitor0"
	VendorName   	"Dell"
	ModelName   	"Dell P780"
	HorizSync       30.0 - 85.0
	VertSync        48.0 - 120.0
	Option 		"dpms"
EndSection
 
Old 06-17-2004, 12:32 PM   #17
Bix
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Registered: Aug 2003
Distribution: RH9
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Hi Seventh!

Yes, this is very helpful! A friend of mine concurs hat I should reinstall, so I shall do that.

I assume that, once I reinstall and can once again get back into X Windows, I will be able to access and edit XF86Config ?

Where would I find that, and can I edit it with any text editing tool?

THANKS!
 
Old 06-17-2004, 12:48 PM   #18
Seventh
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Yep, once you get X back up and running, click the start (heh, hate to call it that) button, Run Program, and type in "xterm" and it'll bring up a terminal window.

Pretty sure the file you'll want to edit is /etc/X11/XF86Config, but you can also type redhat-config-xfree86 from the command line and it'll walk you through.

Good luck. I've been in your shoes a ton, so I feel your pain. It gets easier, trust me.
 
Old 06-17-2004, 01:37 PM   #19
darthtux
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You don't *have* to reinstall. You can boot into your Red Hat disk 1. Type linux rescue at the prompt, choose continue, and then you have to chroot the partition. I haven't done that before but I've seen it work for others.
chroot /mnt/partition
replace partition with the linux partition
Then you can edit the file.
 
Old 06-17-2004, 05:59 PM   #20
Bix
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Registered: Aug 2003
Distribution: RH9
Posts: 27

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Seventh,

Not good.

The settings in redhat-config-xfree86 were pretty much identical to the ones you sent, except for a few decimals and spaces.

It works up to 256 colors at 800x600 -- but when I attempted to increase the color depth beyond 256, it went south -- I am once again getting the black screen.

You also sent me this yesterday:

http://www.mepis.org/node/view/1776

But I don't know quite what to do with it...

HELP!

I am about to give up, but I really don't want to!
 
Old 06-17-2004, 06:23 PM   #21
Bix
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Registered: Aug 2003
Distribution: RH9
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...now I am switching monitors -- maybe that Dell is notorious!
 
Old 06-17-2004, 07:22 PM   #22
Bix
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Registered: Aug 2003
Distribution: RH9
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Seventh,

WELL...

I switched monitors and, guess what?

SAME THING HAPPENED!

I am wondering if it isn't actually my video card?

Last edited by Bix; 06-25-2004 at 02:47 PM.
 
Old 06-17-2004, 07:26 PM   #23
Bix
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Registered: Aug 2003
Distribution: RH9
Posts: 27

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BTW my vid card is a Radeon 7500, 64mb -- which was detected during installation...
 
Old 06-25-2004, 02:46 PM   #24
Bix
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Registered: Aug 2003
Distribution: RH9
Posts: 27

Original Poster
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Hello,

Can anyone help me out?

I never did get this working, and I am completely baffled!

Even when I changed my monitor, then reinstalled RH9, it still goes black upon entering X-windows after I increase the resolution. Then, I can't decrease the resolution, because I can't get back into X!!!

Thanks...

Richard
 
Old 06-29-2004, 01:22 AM   #25
bubbafrye
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Registered: Jun 2004
Posts: 5

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HEYA!!
I know your pain my friend... I also have a Radeon 7500. You are unable to go beyond 256 colors if you have 3D hardware enabled. ( I discovered this on a fluke after re-installing 3 times).
When you change your display settings, XFree86 saves a backup of the previous settings in a file called XF86Config.backup . You need to replace the current XF86Config file with this, and that will let you boot back up in 256 color mode (then uncheck the box for 3D hardware enabling and you can up your resolution).
You need to login as 'root' and enter this at the prompt:
cd etc/X11
if you type dir (and enter) you'll get a listing of the contents of that directory, and should see in there a both the XF86Config and the XF86Config.backup.
type: rm XF86Config
****careful with this 'rm' command!! ****it will completely delete (remove) the file, so make sure you type the filename correctly (it IS case sensitive)
last but not least type: cp XF86Config.backup XF86Config
that will make a copy of your backup file and rename it to XF86Config.
-- hope this helps... I spent all weekend beating my head against my black monitor until I thought of this. (luckily I wrote down the path when I made the last failed attempt at changing the color depth. (the problem only seems to lie in the color depth, not the resolution).
 
Old 06-29-2004, 01:27 AM   #26
bubbafrye
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Registered: Jun 2004
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Oh.. to log in as the root, you need to select your linux OS from your boot loader and hit <e> before it loads. Chooose the option below 'root' , and at the end of that line type <space> linux single then hit <enter> and <b>

that should load you to a prompt requesting your root password (don't feed it your user password, it needs your root one).
if you make it to a '#' prompt then you're golden.

That's how you do it from GRUB anyway.

Last edited by bubbafrye; 07-01-2004 at 04:04 PM.
 
  


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