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Old 02-14-2004, 09:53 PM   #1
Ronw
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Resolution Problems LCD Monitor


I have a new Philips 170B4 LCD monitor and I cannot get the resolution of Mandrake 9.2 to go up to 1280x1024 @ 60Hz
Even though I can select that resolution in Xconfig it only seems to be working at 1280x960 which causes my picture to be bigger than screen. I have a Nvidia MX400 card. Is there any way to force resolution at 1280x1024 to get my picture fitting the new screen?
My XFConfig86-4 has the correct resolution in it but it does not seem to get through to monitor.
 
Old 02-15-2004, 01:37 AM   #2
Guru3
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Are you using to nv driver or the nvidia one? Because that card should support 1280x1024 with the nvidia driver, but I don't know about the nv one. Also, try checking your color depth too.
 
Old 02-15-2004, 04:13 PM   #3
jib2
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did u check your /etc/X11/XF86Config-4?
First, in Section "Monitor" did you set the right values for HorizSync and VertRefresh (check your screen's doc).
Then in Section "Screen" add "1280x1024" as the first value, before "1280x960" in the Modes line :
Code:
    Subsection "Display"
        Depth 24
        Modes "1280x1024" "1280x960" "1024x768" "800x600" "640x480"
    EndSubsection
Edit : sorry, looks like you already checked the XF86Config... so i don't know.

Last edited by jib2; 02-15-2004 at 04:15 PM.
 
Old 02-15-2004, 10:27 PM   #4
Ronw
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Here is my XF86Config-4 I am not sure what I can remove/add to fox problem.

Section "Monitor"
Identifier "monitor1"
VendorName "Philips"
ModelName "Philips 170B4 LCD MONITOR)"
HorizSync 60
VertRefresh 56.0-60.0

# Sony Vaio C1(X,XS,VE,VN)?
# 1024x480 @ 85.6 Hz, 48 kHz hsync
ModeLine "1024x480" 65.00 1024 1032 1176 1344 480 488 494 563 -hsync -vsync

# TV fullscreen mode or DVD fullscreen output.
# 768x576 @ 79 Hz, 50 kHz hsync
ModeLine "768x576" 50.00 768 832 846 1000 576 590 595 630

# 768x576 @ 100 Hz, 61.6 kHz hsync
ModeLine "768x576" 63.07 768 800 960 1024 576 578 590 616
EndSection

Section "Device"
Identifier "device1"
VendorName "nVidia Corporation"
BoardName "NVIDIA GeForce4 (generic)"
Driver "nvidia"
Option "DPMS"
EndSection

Section "Screen"
Identifier "screen1"
Device "device1"
Monitor "monitor1"
DefaultColorDepth 24

Subsection "Display"
Depth 8
Virtual 1280 1024
EndSubsection

Subsection "Display"
Depth 15
Virtual 1280 1024
EndSubsection

Subsection "Display"
Depth 16
Virtual 1280 1024
EndSubsection

Subsection "Display"
Depth 24
Virtual 1280 1024
EndSubsection
EndSection
 
Old 02-16-2004, 01:49 AM   #5
Guru3
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Sadly, that is not the part of the file that controls the resolution.
Code:
    Subsection "Display"
        Depth 24
        Modes "1280x1024" "1280x960" "1024x768" "800x600" "640x480"
    EndSubsection
You want that part. Just make sure "1280x1024" is in front of everything else there. That part should be in the Screen section, fyi.
 
Old 02-16-2004, 03:37 AM   #6
jib2
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well, so your "Screen" section should look like that :

Code:
Section "Screen"
    Identifier "screen1"
    Device "device1"
    Monitor "monitor1"
    DefaultColorDepth 24

    Subsection "Display"
        Depth 8
        Modes "1280x1024" "1024x768" "800x600" "640x480"
    EndSubsection

    Subsection "Display"
        Depth 15
        Modes "1280x1024" "1024x768" "800x600" "640x480"
    EndSubsection

    Subsection "Display"
        Depth 16
        Modes "1280x1024" "1024x768" "800x600" "640x480"
    EndSubsection

    Subsection "Display"
        Depth 24
        Modes "1280x1024" "1024x768" "800x600" "640x480"
    EndSubsection
EndSection
This way, you can change to lower resolutions in X (1024x768, 800x600...) with [Ctrl-alt -] or [Ctrl-alt +] altho it's not really useful with lcd screens since they give the best display in their native resolution (1280x1024 for you).
 
Old 02-16-2004, 03:38 PM   #7
Lemon Herb
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I was having this same problem and did what was suggested here. It fixed the problem with having to scroll the screen but now not everything fits in the screen.

I am useing a Dell 1800fp monitor with intel 865 graphics chip on Mandrake 9.2
 
Old 02-17-2004, 02:38 AM   #8
Ronw
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Thanks guys that woked fine I now have a stable screen.
 
Old 02-17-2004, 05:28 AM   #9
jib2
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LemonHerb,
you probably need to add a Modeline to adjust horiz/vert sizes and alignments so that the display fit the screen.
You can use xvidtune (from a terminal) to find the right settings.
 
Old 02-17-2004, 12:52 PM   #10
Lemon Herb
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Thanks for the reply, when I do the xvidtune it comes up with the message "Video modes are not tunable on this chip" Should I try to upgrade the drivers for the intel graphics chip? I had looked at thier site before but there are distro specific drivers for redhat 8.0, 9.0, Suse 8.2, and RedFlag 4.0. Any suggestions on wich driver would be most compatible with Mandrake 9.2?
 
Old 02-17-2004, 02:16 PM   #11
Guru3
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I think the drivers for intel chipsets come with XFree86, or they do at least for the laptop chipsets...
 
Old 02-17-2004, 02:55 PM   #12
Lemon Herb
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Yah it looks like it has it by default, but then if I cannot fix the problem with xvidtune because it is not adjustable with that chipset then what other options do I have?
 
Old 02-18-2004, 10:40 AM   #13
Guru3
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Lemon Herb, I am sorry but I do not quite get what your problem is, are you saying that your picture is smaller then your whole screen?
 
Old 02-18-2004, 11:32 AM   #14
Lemon Herb
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Initially the picture was much larger then the screen. The desktop would roll left, right, up, and down when I would go to the edge. So I followed what it said before of setting XF86Config-4 to have Modes "1280x1024" which fixed that problem so the screen wouldn't roll.

After I have done this however things don't fix on the screen. When I open something like the mandrake controll center it is bigger then the desktop, I can move the window back and forth to see the sides but I am unable to move it high enough to see the bottom.

As I was writing this I went to check other things and they seem to fit, but the controll center window just wont change size (tried resizeing it and what not) I am sure I can find a way to tweak the font to look better but am I just missing something with this windows size?
 
Old 02-19-2004, 05:52 AM   #15
jib2
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i think it's a Mdk bug and it has nothing to do with your screen or video card. i have the same problem with a very few windows (mostly config windows) and i just don't bother with it.
 
  


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