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#1 2008-05-28 12:27:37

czechman86
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From: In the Zaporozhian Host
Registered: 2008-05-26
Posts: 41
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[SOLVED] Random Changes In Screen Resolution

This has to be among one of the most interesting things to ever happen to me while using linux. I use an hdtv monitor for my screen and have never been able to get the full 1360x768 resolution. that never bothered me too much and decided to use 1280x800 with some crafty screen readjustments and an invisible panel. Well, as I was booting up this morning, my monitor wouldn't turn on, which is a common problem for me. The solution is rather simple, I unplug it and restart X. After restarting X, I noticed that my screen resolution was weird and checked the available resolutions and to my surprise I have about 8 new resolution settings to choose from. I am now running 1280x768 and it looks beautiful. I am wondering however if anyone has any idea what might have caused this change. I have not changed my Xorg.conf and as far as I know, there was no update to the open source ATI driver. Thank you very much for your help and ideas!

Last edited by czechman86 (2008-06-02 08:35:55)


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#2 2008-05-28 12:48:02

czechman86
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From: In the Zaporozhian Host
Registered: 2008-05-26
Posts: 41
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Re: [SOLVED] Random Changes In Screen Resolution

I figured that this might be too good to be true, so i decided to try restarting X again and then nautilus crashed. i restarted the computer and all the new resolutions were lost. i tried restarting X after the restart and still nothing. really quite strange. i wish i would have gotten the nautilus error message but was something about it not being able to start and suggesting that i should restart the computer.

Edit:
I would like to know how and where to edit my xorg.conf to make this 1280x768 or if possible 1360x768 resolution possible. Thanks for your help and analysis again!

Last edited by czechman86 (2008-05-28 12:51:37)


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#3 2008-05-28 13:07:45

Jack B
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Registered: 2006-06-27
Posts: 107
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Re: [SOLVED] Random Changes In Screen Resolution

IIRC, you need to look at the Monitor section of xorg.conf, in particular the modelines bit.  Man xorg.conf will probably tell you more, I'm not sure about the details.

Jack

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#4 2008-05-28 14:42:46

czechman86
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From: In the Zaporozhian Host
Registered: 2008-05-26
Posts: 41
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Re: [SOLVED] Random Changes In Screen Resolution

thank you Jack! the wiki has proved to be an invaluable source. the ATI and xorg pages are great and it looks as though ill be able to put them to good use. as soon as i have a fix, ill mark this thread solved. thanks again!


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#5 2008-05-28 15:52:13

czar
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Registered: 2008-03-08
Posts: 115

Re: [SOLVED] Random Changes In Screen Resolution

don't forget to tell us how you fix it also!

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#6 2008-06-02 08:35:14

czechman86
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From: In the Zaporozhian Host
Registered: 2008-05-26
Posts: 41
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Re: [SOLVED] Random Changes In Screen Resolution

i think that i can mark this solved. this is huge. i have read time and time again that 1366x768 resolution cannot be achieved with an ati card, however, i did it, and here is how:

Xorg File:

Section "ServerLayout"
    Identifier     "X.org Configured"
    Screen      0  "Screen0" 0 0
    InputDevice    "Mouse0" "CorePointer"
    InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
    RgbPath      "/usr/share/X11/rgb"
    ModulePath   "/usr/lib/xorg/modules"
    FontPath     "/usr/share/fonts/misc"
    FontPath     "/usr/share/fonts/100dpi:unscaled"
    FontPath     "/usr/share/fonts/75dpi:unscaled"
    FontPath     "/usr/share/fonts/TTF"
    FontPath     "/usr/share/fonts/Type1"
EndSection

Section "Module"
    Load  "glx"
    Load  "xtrap"
    Load  "record"
    Load  "GLcore"
    Load  "extmod"
    Load  "dbe"
    Load  "dri"
    Load  "freetype"
EndSection

Section "InputDevice"
    Identifier  "Keyboard0"
    Driver      "kbd"
EndSection

Section "InputDevice"
    Identifier  "Mouse0"
    Driver      "mouse"
    Option        "Protocol" "auto"
    Option        "Device" "/dev/input/mice"
    Option        "ZAxisMapping" "4 5 6 7"
EndSection

Section "Monitor"
    #DisplaySize      330   200    # mm
    Identifier   "Monitor0"
    VendorName   "PTS"
    ModelName    "1911-TLXB"
 ### Comment all HorizSync and VertRefresh values to use DDC:
    HorizSync    30.0 - 80.0
    VertRefresh  56.0 - 75.0
    Option        "DPMS"
    UseModes     "Modes0"
EndSection

Section "Modes"
    Identifier "Modes0"
    Modeline "1680x1050" 181.61 1680 1792 1976 2272 1050 1051 1054 1095
    Modeline "1680x1050" 178.96 1680 1792 1976 2272 1050 1051 1054 1094
    Modeline "1680x1050" 176.48 1680 1792 1976 2272 1050 1051 1054 1094
    Modeline "1600x1024" 168.40 1600 1704 1880 2160 1024 1025 1028 1068
    Modeline "1600x1024" 165.94 1600 1704 1880 2160 1024 1025 1028 1067
    Modeline "1600x1024" 163.64 1600 1704 1880 2160 1024 1025 1028 1067
    Modeline "1600x1000" 164.46 1600 1704 1880 2160 1000 1001 1004 1043
    Modeline "1600x1000" 162.05 1600 1704 1880 2160 1000 1001 1004 1042
    Modeline "1600x1000" 159.80 1600 1704 1880 2160 1000 1001 1004 1042
    Modeline "1400x1050" 151.56 1400 1496 1648 1896 1050 1051 1054 1095
    Modeline "1400x1050" 149.34 1400 1496 1648 1896 1050 1051 1054 1094
    Modeline "1400x1050" 147.27 1400 1496 1648 1896 1050 1051 1054 1094
    Modeline "1280x1024" 134.72 1280 1368 1504 1728 1024 1025 1028 1068
    Modeline "1280x1024" 132.75 1280 1368 1504 1728 1024 1025 1028 1067
    Modeline "1280x1024" 130.91 1280 1368 1504 1728 1024 1025 1028 1067
    Modeline "1440x900" 132.71 1440 1536 1688 1936 900 901 904 939
    Modeline "1440x900" 130.75 1440 1536 1688 1936 900 901 904 938
    Modeline "1440x900" 128.93 1440 1536 1688 1936 900 901 904 938
    Modeline "1280x960" 126.27 1280 1368 1504 1728 960 961 964 1001
    Modeline "1280x960" 124.54 1280 1368 1504 1728 960 961 964 1001
    Modeline "1280x960" 122.69 1280 1368 1504 1728 960 961 964 1000
    Modeline "1366x768" 106.19 1368 1448 1592 1816 768 769 772 801
    Modeline "1366x768" 104.73 1368 1448 1592 1816 768 769 772 801
    Modeline "1366x768" 103.15 1368 1448 1592 1816 768 769 772 800
    Modeline "1280x800" 104.35 1280 1360 1496 1712 800 801 804 835
    Modeline "1280x800" 102.80 1280 1360 1496 1712 800 801 804 834
    Modeline "1280x800" 101.37 1280 1360 1496 1712 800 801 804 834
    Modeline "1152x864" 102.08 1152 1224 1352 1552 864 865 868 901
    Modeline "1152x864" 99.64 1152 1224 1344 1536 864 865 868 901
    Modeline "1152x864" 98.15 1152 1224 1344 1536 864 865 868 900
    Modeline "1280x768" 99.17 1280 1352 1488 1696 768 769 772 801
    Modeline "1280x768" 97.81 1280 1352 1488 1696 768 769 772 801
    Modeline "1280x768" 96.33 1280 1352 1488 1696 768 769 772 800
    Modeline "1024x768" 79.52 1024 1080 1192 1360 768 769 772 801
    Modeline "1024x768" 78.43 1024 1080 1192 1360 768 769 772 801
    Modeline "1024x768" 77.25 1024 1080 1192 1360 768 769 772 800
    Modeline "1280x600" 76.04 1280 1336 1472 1664 600 601 604 626
    Modeline "1280x600" 75.00 1280 1336 1472 1664 600 601 604 626
    Modeline "1280x600" 73.84 1280 1336 1472 1664 600 601 604 625
    Modeline "1024x600" 61.42 1024 1080 1184 1344 600 601 604 626
    Modeline "1024x600" 59.86 1024 1072 1176 1328 600 601 604 626
    Modeline "1024x600" 58.93 1024 1072 1176 1328 600 601 604 625
    Modeline "800x600" 47.53 800 840 920 1040 600 601 604 626
    Modeline "800x600" 46.87 800 840 920 1040 600 601 604 626
    Modeline "800x600" 46.15 800 840 920 1040 600 601 604 625
    Modeline "768x576" 43.52 768 800 880 992 576 577 580 601
    Modeline "768x576" 42.93 768 800 880 992 576 577 580 601
    Modeline "768x576" 42.26 768 800 880 992 576 577 580 600
    Modeline "640x480" 29.84 640 664 728 816 480 481 484 501
    Modeline "640x480" 29.43 640 664 728 816 480 481 484 501
    Modeline "640x480" 29.03 640 664 728 816 480 481 484 501
EndSection

Section "Device"
        ### Available Driver options are:-
        ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
        ### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
        ### [arg]: arg optional
        #Option     "NoAccel"                # [<bool>]
        #Option     "SWcursor"               # [<bool>]
        #Option     "Dac6Bit"                # [<bool>]
        #Option     "Dac8Bit"                # [<bool>]
        #Option     "BusType"                # [<str>]
        #Option     "CPPIOMode"              # [<bool>]
        #Option     "CPusecTimeout"          # <i>
        #Option     "AGPMode"                # <i>
        #Option     "AGPFastWrite"           # [<bool>]
        #Option     "AGPSize"                # <i>
        #Option     "GARTSize"               # <i>
        #Option     "RingSize"               # <i>
        #Option     "BufferSize"             # <i>
        #Option     "EnableDepthMoves"       # [<bool>]
        #Option     "EnablePageFlip"         # [<bool>]
        #Option     "NoBackBuffer"           # [<bool>]
        #Option     "DMAForXv"               # [<bool>]
        #Option     "FBTexPercent"           # <i>
        #Option     "DepthBits"              # <i>
        #Option     "PCIAPERSize"            # <i>
        #Option     "AccelDFS"               # [<bool>]
        #Option     "DDCMode"                # [<bool>]
        #Option     "IgnoreEDID"             # [<bool>]
        #Option     "DisplayPriority"        # [<str>]
        #Option     "PanelSize"              # [<str>]
        #Option     "ForceMinDotClock"       # <freq>
        #Option     "ColorTiling"            # [<bool>]
        #Option     "VideoKey"               # <i>
        #Option     "RageTheatreCrystal"     # <i>
        #Option     "RageTheatreTunerPort"     # <i>
        #Option     "RageTheatreCompositePort"     # <i>
        #Option     "RageTheatreSVideoPort"     # <i>
        #Option     "TunerType"              # <i>
        #Option     "RageTheatreMicrocPath"     # <str>
        #Option     "RageTheatreMicrocType"     # <str>
        #Option     "ScalerWidth"            # <i>
        #Option     "RenderAccel"            # [<bool>]
        #Option     "SubPixelOrder"          # [<str>]
        #Option     "ShowCache"              # [<bool>]
        #Option     "DynamicClocks"          # [<bool>]
        #Option     "VGAAccess"              # [<bool>]
        #Option     "ReverseDDC"             # [<bool>]
        #Option     "LVDSProbePLL"           # [<bool>]
        #Option     "AccelMethod"            # <str>
        #Option     "DRI"                    # [<bool>]
        #Option     "ConnectorTable"         # <str>
        #Option     "DefaultConnectorTable"     # [<bool>]
        #Option     "DefaultTMDSPLL"         # [<bool>]
        #Option     "TVDACLoadDetect"        # [<bool>]
        #Option     "ForceTVOut"             # [<bool>]
        #Option     "TVStandard"             # <str>
        #Option     "IgnoreLidStatus"        # [<bool>]
    Identifier  "Card0"
    Driver      "radeon"
    VendorName  "ATI Technologies Inc"
    BoardName   "Radeon X1200 Series"
    BusID       "PCI:1:5:0"
EndSection

Section "Screen"
    Identifier "Screen0"
    Device     "Card0"
    Monitor    "Monitor0"
    SubSection "Display"
        Viewport   0 0
        Depth     1
        Modes "1680x1050" "1600x1024" "1600x1000" "1400x1050" "1280x1024" "1440x900" "1280x960" "1366x768" "1280x800" "1152x864" "1280x768" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Depth     4
        Modes "1680x1050" "1600x1024" "1600x1000" "1400x1050" "1280x1024" "1440x900" "1280x960" "1366x768" "1280x800" "1152x864" "1280x768" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Depth     8
        Modes "1680x1050" "1600x1024" "1600x1000" "1400x1050" "1280x1024" "1440x900" "1280x960" "1366x768" "1280x800" "1152x864" "1280x768" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Depth     15
        Modes "1680x1050" "1600x1024" "1600x1000" "1400x1050" "1280x1024" "1440x900" "1280x960" "1366x768" "1280x800" "1152x864" "1280x768" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Depth     16
        Modes "1680x1050" "1600x1024" "1600x1000" "1400x1050" "1280x1024" "1440x900" "1280x960" "1366x768" "1280x800" "1152x864" "1280x768" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Depth     24
        Modes "1680x1050" "1600x1024" "1600x1000" "1400x1050" "1280x1024" "1440x900" "1280x960" "1366x768" "1280x800" "1152x864" "1280x768" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
EndSection

I found a post over at ubuntu where someone cleverly decided to just add all possible resolutions to their xorg and it worked for them, as well as me. the only down side is that my tv is registering my resolution at 1024x768 instead of 1366x768. i am tempted to reduce the 1366 to 1360 and see if that will clear anything up. however, this is solved. thank you to that post that i can no longer find and i hope that this helps the brothers with hdtvs!

EDIT:
Reducing down to 1360 didnt do anything but give me a blue screen. but nevertheless solved!

Last edited by czechman86 (2008-06-02 09:09:09)


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