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Old 08-14-2013, 09:18 AM   #1
hDUQUE
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Registered: Jan 2007
Posts: 75

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monitor, resolution, hdmi


Hi guys,
I'm dealing with this issue for weeks, please give me a feedback about it.

Unexpectedly, one day:

- the monitor's resolution was restricted to 1024x768 (4:3)
- HDMI didn't work anymore
- display configuration appears as "unknown"
- when trying to use a samsung TV as a second monitor (VGA PC input) it starts showing a message like "unsupported resolution"

everything was working well ... until that horrible day :-(

My monitor is ACER AL1916W, there is NOT an NVIDEA card, fedora was FC17, so i decided to upgrade it to fc18, but the problem is still happening.

I tried to change the resolution (configuration) by modifying /etc/X11/xorg.conf.d, to:

Code:
#cat 30-graphic.conf 
Section "Device"
    Identifier      "Intel Integrated"
    Driver          "intel"
EndSection

#cat 40-monitor.conf
Section "Monitor"
  Identifier  "VGA1"
  Modeline "1440x900_60.00"  106.50  1440 1528 1672 1904  900 903 909 934 -hsync +vsync
  Option      "PreferredMode" "1440x900_60.00"
EndSection

#cat 50-screen.conf
Section "Screen"
    Identifier      "Default Screen"
    DefaultDepth  24
    SubSection "Display"
            Depth          24
            Modes 1440x900"
    EndSubSection
EndSection

but, on boot, it goes to a black screen.

i can change resolution by command lines, but it is not persistent and problems about HMDI, VGA and "unknown monitor" continues happening:

Code:
#cvt 1440 900
#xrandr --newmode   "1440x900_60.00"  106.50  1440 1528 1672 1904  900 903 909 934 -hsync +vsync
#xrandr --addmode VGA1 1440x900_60.00
#xrandr --output VGA1 --mode 1440x900_60.00
Code:
#uname -a
Linux duke8814 3.9.11-200.fc18.i686 #1 SMP Mon Jul 22 21:29:25 UTC 2013 i686 i686 i386 GNU/Linux
comments are wellcome, i am planing to move to fc19 after solving this issue,

thanks in advance

Hector
 
Old 08-14-2013, 09:25 AM   #2
cortman
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Registered: Jan 2012
Location: ZZ9 Plural Z Alpha
Distribution: Crunchbang 11, LFS 7.3, DSL 4.1.10, Lubuntu 12.10, Debian 7
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I thought xorg.conf was deprecated.
You can change resolution very easily with the command line utility xrandr. As a workaround (not necessarily a fix, I guess) you can write a script with some xrandr commands and have your computer execute it at boot.
 
Old 08-14-2013, 09:31 AM   #3
hDUQUE
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Registered: Jan 2007
Posts: 75

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yes, i did this script:


#cvt 1440 900
#xrandr --newmode "1440x900_60.00" 106.50 1440 1528 1672 1904 900 903 909 934 -hsync +vsync
#xrandr --addmode VGA1 1440x900_60.00
#xrandr --output VGA1 --mode 1440x900_60.00

but i continues without HDMI ...

btw ... how to execute it at boot ?
 
Old 08-14-2013, 09:34 AM   #4
hDUQUE
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the script changes resolution but throws this msg:

Code:
#./putResolution_1440x900.sh 
# 1440x900 59.89 Hz (CVT 1.30MA) hsync: 55.93 kHz; pclk: 106.50 MHz
Modeline "1440x900_60.00"  106.50  1440 1528 1672 1904  900 903 909 934 -hsync +vsync
X Error of failed request:  BadName (named color or font does not exist)
  Major opcode of failed request:  139 (RANDR)
  Minor opcode of failed request:  16 (RRCreateMode)
  Serial number of failed request:  31
  Current serial number in output stream:  31
 
Old 08-25-2013, 01:44 PM   #5
hDUQUE
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Registered: Jan 2007
Posts: 75

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hi guys,
still having this problem ... hdmi doenst works any more ,,, monitor unknown :-(
any comments ?
thanks in advance
hector
 
  


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