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Old 22nd April 2005, 11:10 PM
ironman Offline
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Join Date: Apr 2005
Posts: 16
Flat Panel Monitor Help

HI, some days ago, I found an old flat panel monitor, y wanted to use it in my FC3, but ther's a problem.
The conmputer loads up, but in the part of introducing the user name and password, the monitor shows " no video signal" and turns black again. is there anything I can do?
Thank you
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Old 23rd April 2005, 12:10 AM
ironman Offline
Registered User
Join Date: Apr 2005
Posts: 16
I will apreciate if you answer me
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Old 23rd April 2005, 01:21 AM
tchung Offline
FedoraNEWS.org Admin
Join Date: Feb 2004
Location: California, US
Posts: 561

Try following:

0) Press Control-Alt-F1
1) Login as root
2) Edit xorg.conf

# cd /etc/X11
# vi xorg.conf

3) Scroll down to "Monitor" section and type in Hsync and Vsync for your monitor:

TIP: Type "ddcprobe" to find out if your monitor is supported.

Section "Monitor"
        Identifier   "Monitor0"
        VendorName   "Monitor Vendor"
        ModelName    "LCD Panel 1024x768"
        DisplaySize  340        270
        HorizSync    31.5 - 48.5
        VertRefresh  40.0 - 70.0
        Option      "dpms"
4) Scroll down to "Device" section and use "vesa" for generic video driver:

Section "Device"
        Identifier  "Videocard0"
        Driver      "vesa"
        VendorName  "Videocard vendor"
        BoardName   "VESA driver (generic)"
5) Scroll down to "Screen" section, type in 1024x768 or 800x600 depends on your monitor resolution:

Section "Screen"
        Identifier "Screen0"
        Device     "Videocard0"
        Monitor    "Monitor0"
        DefaultDepth     16
        SubSection "Display"
                Viewport   0 0
                Depth     16
                Modes    "1024x768" "800x600" "640x480"
6) Save the file and restart X:

# killall -9 X

Thomas Chung
Thomas Chung

Last edited by tchung; 23rd April 2005 at 01:47 AM.
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Old 23rd April 2005, 02:37 AM
SlowJet Offline
Registered User
Join Date: Jan 2005
Posts: 5,059

I tried that and it worked for 1024x768. (The monitor auto sized better)
I looked up the monitor specs and the xorg.conf was wrong - needed to change vert freq max from 83 to 80.
Needed to chage dispaly area from min 330 to 338.

So with those changed, I went back to edit xorg.conf for nvidia,
2.11.1-14 with 7174 nvidia fails to load kernal module,
so then after I loogon, I su -
change the dli and NV,
telinit 3
logon as root
modprobe nvidia
telint 5
logon as user
Nvidia driver is loaded and working
(@ 1280x1024 and I didn't tell it to do that)

Do you know how to make the nvidia module load without having to manually issue it?
I have tried all the recommended steps.
This only started happening with the new kernal with 7174,
prviously I had 2.10.770 with 7174 working fine.


Do the Math
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