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Thread: screen resolution issues

  1. #1
    2handband NNTP User

    Default screen resolution issues

    I just installed opensuse 11.1 for the first time on my Acer 6930 laptop. The best screen resolution I can achieve is the completely useless 800x600. None of the other distros of linux I have installed on this computer have had this problem. Does anyone know of a fix? Thanks!

  2. #2
    Join Date
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    Default Re: screen resolution issues

    Hi 2handband

    Information concerning your hardware and X config would be useful. Then it may be possible to guide you. Open a console and su to root. Then run these commands

    hwinfo --gfxcard
    cat /etc/X11/xorg.conf

    Post the details here.

  3. #3
    2handband NNTP User

    Default Re: screen resolution issues

    The graphics card:

    "linux-03vu:/home/gene # hwinfo --gfxcard
    09: PCI 02.0: 0300 VGA compatible controller (VGA)
    [Created at pci.318]
    UDI: /org/freedesktop/Hal/devices/pci_8086_2a42
    Unique ID: _Znp.ik6kSiOd2U5
    SysFS ID: /devices/pci0000:00/0000:00:02.0
    SysFS BusID: 0000:00:02.0
    Hardware Class: graphics card
    Model: "Mobile Intel GM45 Express Chipset"
    Vendor: pci 0x8086 "Intel Corporation"
    Device: pci 0x2a42 "Mobile Intel GM45 Express Chipset"
    SubVendor: pci 0x1025 "Acer Incorporated [ALI]"
    SubDevice: pci 0x015e
    Revision: 0x07
    Memory Range: 0xf0000000-0xf03fffff (rw,non-prefetchable)
    Memory Range: 0xd0000000-0xdfffffff (rw,prefetchable)
    I/O Ports: 0x1800-0x1807 (rw)
    IRQ: 16 (115741 events)
    I/O Ports: 0x3c0-0x3df (rw)
    Module Alias: "pci:v00008086d00002A42sv00001025sd0000015Ebc03sc00i00"
    Driver Info #0:
    XFree86 v4 Server Module: intel
    Driver Info #1:
    XFree86 v4 Server Module: intel
    3D Support: yes
    Config Status: cfg=no, avail=yes, need=no, active=unknown

    10: PCI 02.1: 0380 Display controller
    [Created at pci.318]
    UDI: /org/freedesktop/Hal/devices/pci_8086_2a43
    Unique ID: ruGf.DBUMMYhHK5B
    SysFS ID: /devices/pci0000:00/0000:00:02.1
    SysFS BusID: 0000:00:02.1
    Hardware Class: graphics card
    Model: "Intel Mobile 4 Series Chipset Integrated Graphics Controller"
    Vendor: pci 0x8086 "Intel Corporation"
    Device: pci 0x2a43 "Mobile 4 Series Chipset Integrated Graphics Controller"
    SubVendor: pci 0x1025 "Acer Incorporated [ALI]"
    SubDevice: pci 0x015e
    Revision: 0x07
    Memory Range: 0xf0400000-0xf04fffff (rw,non-prefetchable)
    Module Alias: "pci:v00008086d00002A43sv00001025sd0000015Ebc03sc80i00"
    Config Status: cfg=no, avail=yes, need=no, active=unknown

    Primary display adapter: #9"



    And the xorg.conf:

    "linux-03vu:/home/gene # cat /etc/X11/xorg.conf
    # /.../
    # SaX generated X11 config file
    # Created on: 2009-01-18T19:56:50-0600.
    #
    # Version: 8.1
    # Contact: Marcus Schaefer <sax@suse.de>, 2005
    # Contact: SaX-User list <https://lists.berlios.de/mailman/listinfo/sax-users>
    #
    # Automatically generated by [ISaX] (8.1)
    # PLEASE DO NOT EDIT THIS FILE!
    #

    Section "Files"
    FontPath "/usr/share/fonts/misc:unscaled"
    FontPath "/usr/share/fonts/local"
    FontPath "/usr/share/fonts/75dpi:unscaled"
    FontPath "/usr/share/fonts/100dpi:unscaled"
    FontPath "/usr/share/fonts/Type1"
    FontPath "/usr/share/fonts/URW"
    FontPath "/usr/share/fonts/Speedo"
    FontPath "/usr/share/fonts/PEX"
    FontPath "/usr/share/fonts/cyrillic"
    FontPath "/usr/share/fonts/latin2/misc:unscaled"
    FontPath "/usr/share/fonts/latin2/75dpi:unscaled"
    FontPath "/usr/share/fonts/latin2/100dpi:unscaled"
    FontPath "/usr/share/fonts/latin2/Type1"
    FontPath "/usr/share/fonts/latin7/75dpi:unscaled"
    FontPath "/usr/share/fonts/baekmuk:unscaled"
    FontPath "/usr/share/fonts/japanese:unscaled"
    FontPath "/usr/share/fonts/kwintv"
    FontPath "/usr/share/fonts/truetype"
    FontPath "/usr/share/fonts/uni:unscaled"
    FontPath "/usr/share/fonts/CID"
    FontPath "/usr/share/fonts/ucs/misc:unscaled"
    FontPath "/usr/share/fonts/ucs/75dpi:unscaled"
    FontPath "/usr/share/fonts/ucs/100dpi:unscaled"
    FontPath "/usr/share/fonts/hellas/misc:unscaled"
    FontPath "/usr/share/fonts/hellas/75dpi:unscaled"
    FontPath "/usr/share/fonts/hellas/100dpi:unscaled"
    FontPath "/usr/share/fonts/hellas/Type1"
    FontPath "/usr/share/fonts/misc/sgi:unscaled"
    FontPath "/usr/share/fonts/xtest"
    FontPath "/opt/kde3/share/fonts"
    InputDevices "/dev/gpmdata"
    InputDevices "/dev/input/mice"
    EndSection

    Section "ServerFlags"
    Option "AIGLX" "on"
    Option "AllowMouseOpenFail" "on"
    Option "ZapWarning" "on"
    EndSection

    Section "Module"
    Load "dbe"
    Load "freetype"
    Load "glx"
    Load "extmod"
    Load "dri"
    EndSection

    Section "InputDevice"
    Driver "kbd"
    Identifier "Keyboard[0]"
    Option "Protocol" "Standard"
    Option "XkbLayout" "us"
    Option "XkbModel" "microsoftpro"
    Option "XkbRules" "xfree86"
    EndSection


    Section "InputDevice"
    Driver "evdev"
    Identifier "Mouse[1]"
    Option "InputFashion" "Mouse"
    Option "Name" "Logitech Media Play Mouse"
    Option "Pass" "3"
    Option "Vendor" "Sysp"
    Option "evBits" "+1-2"
    Option "keyBits" "~272-287"
    Option "relBits" "~0-2 ~6 ~8"
    EndSection

    Section "InputDevice"
    Driver "synaptics"
    Identifier "Mouse[3]"
    Option "Buttons" "5"
    Option "Device" "/dev/input/mice"
    Option "Emulate3Buttons" "on"
    Option "HorizScrollDelta" "0"
    Option "InputFashion" "Mouse"
    Option "Name" "Synaptics;Touchpad"
    Option "Protocol" "explorerps/2"
    Option "SHMConfig" "on"
    Option "Vendor" "Sysp"
    Option "ZAxisMapping" "4 5"
    EndSection

    Section "InputDevice"
    Driver "mouse"
    Identifier "Mouse[5]"
    Option "Buttons" "5"
    Option "Device" "/dev/input/mice"
    Option "Name" "ImPS/2 Generic Wheel Mouse"
    Option "Protocol" "explorerps/2"
    Option "Vendor" "Sysp"
    Option "ZAxisMapping" "4 5"
    EndSection


    Section "Monitor"
    DisplaySize 353 198
    HorizSync 30-40
    Identifier "Monitor[0]"
    ModelName "Unknown"
    Option "DPMS"
    Option "PreferredMode" "1366x768"
    VendorName "Unknown"
    VertRefresh 50-75
    UseModes "Modes[0]"
    EndSection


    Section "Modes"
    Identifier "Modes[0]"
    EndSection


    Section "Screen"
    DefaultDepth 24
    SubSection "Display"
    Depth 15
    Modes "1366x768" "1360x768" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    Virtual 3840 1200
    EndSubSection
    SubSection "Display"
    Depth 16
    Modes "1366x768" "1360x768" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    Virtual 3840 1200
    EndSubSection
    SubSection "Display"
    Depth 24
    Modes "1366x768" "1360x768" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    Virtual 3840 1200
    EndSubSection
    SubSection "Display"
    Depth 8
    Modes "1366x768" "1360x768" "1280x768" "1280x720" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"
    Virtual 3840 1200
    EndSubSection
    Device "Device[0]"
    Identifier "Screen[0]"
    Monitor "Monitor[0]"
    EndSection


    Section "Device"
    BoardName "Mobile Intel GM45 Express Chipset"
    Driver "intel"
    Identifier "Device[0]"
    Option "monitor-LVDS" "Monitor[0]"
    Screen 0
    VendorName "Intel"
    EndSection



    Section "ServerLayout"
    Identifier "Layout[all]"
    InputDevice "Keyboard[0]" "CoreKeyboard"
    InputDevice "Mouse[1]" "CorePointer"
    InputDevice "Mouse[3]" "SendCoreEvents"
    InputDevice "Mouse[5]" "SendCoreEvents"
    Option "Clone" "off"
    Option "Xinerama" "off"
    Screen "Screen[0]"
    EndSection


    Section "DRI"
    Group "video"
    Mode 0660
    EndSection

    Section "Extensions"
    Option "Composite" "on"
    EndSection"

  4. #4
    Join Date
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    Location
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    Default Re: screen resolution issues

    Thanks for info. So, you have an intel integrated graphics chipset. There have been issues reported with monitor mode detection and xorg intel drivers. The modelines seem to be ignored unless this detection is disabled. Try adding

    Option "NoDDC"

    to your xorg.conf device section. You will need to edit this as root, preferably from a console (terminal window). For example:

    su (to become root)
    cp /etc/X11/xorg.conf /etc/X11/xorg.conf.working (backup original file)
    pico /etc/X11/xorg.conf (edit with pico editor)

    Similar thread:

    http://forums.opensuse.org/hardware/...-inf-file.html

    Hope this works for you.

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