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Old 08-12-2005, 08:49 AM   #1
Geocritter
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Registered: Jun 2005
Location: Richmond, Virginia
Distribution: Debian, Ubuntu, FreeBSD
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mepis 3.3.1-1 moitor resolution issue


Hi everyone,

Just decided yesterday to stick with Mepis; even purchased a subscription (haven't done that since SuSE waaay back when).

Anyway...got a little bugaroo that I can't quite sort out. My monitor is an RIC DH-1764 (Pixie 770, to be exact). I run in 1024x768 @ around 75. But...when I set it up in MepisOS controls, the monitor is listed, and the model, and I can save it; when I return, it shows the monitor manufacturer but the model is unknown.

Here's the problem...it comes up ok in 1024x768, no problem, but the screen is "fuzzy". I dual boot with Windows, and screen is fine, same went when I tried Ubuntu to check the screen, screen was fine. So it's not the monitor, it's a setting tweak in there somewhere.

When I used Suse, I used VESA 75, but I have no idea what that translates to nowadays. And I seem to remember a fuzzy screen when the refresh rate was too high.

Can anyone give me some help?
thanks so much,
Dan
 
Old 08-14-2005, 04:00 AM   #2
kimothy
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Registered: Jun 2005
Location: Norway
Distribution: Slackware 11.0
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Change In Grub

When you're booting on the mepis cd you can change the resolution in grub before you install mepis. Thats the easy way, but it no as good of a way to do it when mepis is installed, unless you dont mind installing it again.

An other way is to edit the '/etc/X11/XF86Config-4', but I'm not an expert on this (I'm a newbie too), so you should wait for a couple of other replyes...

But I hope this helps.
 
Old 08-30-2005, 08:25 AM   #3
n7Epsilon
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Registered: Aug 2005
Location: Cairo, Egypt
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Post

Wow! first post here ever....
Found this solution somewhere on this forum or on MEPISLovers...

How to fix your monitor if it is
not correctly detected by MEPIS
————————————————
1. Go to www.knopper.net/download/knoppix/i386
and download the latest ddcxinfo package. (http://developer.linuxtag.net/knoppi...0.6-5_i386.deb)

2. Put it in any folder, then open it in Konqueror and click on it.
- KPackage will open, prompt you for a root password and install the package.

3. Open a terminal, do a “su” followed by enter, and enter your root password to access
root superuser privileges.

4. cp /etc/X11/XF86Config-4 /tmp

5. ddcxinfo -modelines > modelines.txt

6. open XF86Config-4 in KWrite, go to Monitor Section.. fill in with info from output
of “DDCXINFO” command (Last few lines list the frequencies you need for the monitor)

eg: In the monitor section of /etc/X11/XF86Config-4

Section “Monitor”
Identifier “Monitor0”
VendorName “LG”
ModelName “T710BH”
#Option “DPMS” “true”
HorizSync 30-71
VertRefresh 50-160

7. Erase all modelines below these lines and replace with lines in “Modelines.txt”

8. Go up to “Screen” section and change DefaultColourDepth to 24

9. Save and exit

10. cp /tmp/XF86Config-4 /etc/X11

11. Reboot MEPIS

12. Open KDE Control Center and go to Peripherals > Display

13. Select correct Monitor Res and Refresh Rate

14. Apply and Ok

15. Reboot X

— ALL DONE
 
Old 08-30-2005, 10:23 AM   #4
archtoad6
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Registered: Oct 2004
Location: Houston, TX (usa)
Distribution: MEPIS, Debian, Knoppix,
Posts: 4,727
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Some comments:

0. -- Helpful answer, thanks.

1. & 2. -- If you are using Konqueror & click on n7Epsilon's link -- http://developer.linuxtag.net/knoppi...0.6-5_i386.deb -- or a file at http://developer.linuxtag.net/knoppix/i386/, Konqueror will take you immediately to a "Save As" / "Open with 'KPackage'" / "Cancel" dialog. If you choose the 2nd button, "Open with 'KPackage'", there is no need to d/l.

3. -- su notes:
  • A good time to "RTFM".
  • "su" == switch user (not superuser).
  • "su -" gives the full root context.

4. -- I would make permanent back up of XF86Config-4:
Code:
cp /etc/X11/XF86Config-4 /etc/X11/XF86Config-4.000
6. -- Probably should specify which copy of XF86Config-4

10. -- Not necessary if you use my #4.

11. -- Is rebooting the OS necessary? Couldn't you just restart X (Ctrl-Alt-Backspace) or maybe just log out & back in?

15. -- Is "rebooting" X necessary? Couldn't you just log out & back in?


All in all a thorough exposition & a tip on a useful program, thanks n7Epsilon; an excellent 1st post.
 
  


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