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带有 Intel GMA 和 Radeon HD 5450 的多台显示器

tag-icon • tag-icon 14.04 graphics multiple-monitors intel-graphics
带有 Intel GMA 和 Radeon HD 5450 的多台显示器

我有两台显示器，第一台显示器通过 D-sub 连接到 Radeon HD5450。这台显示器运行良好。第二台显示器通过 D-sub 连接到 Intel GMA（板载集成显卡），系统无法检测到这台显示器。我无法更换连接线。在 Windows 上它运行良好，但在 Linux 上我无法解决我的问题。

我在 BIOS 启动图形中设置为英特尔 GMA，但在操作系统加载后，显示器将切换到 HD5450

linux - linux系统删除 VGA

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Manhattan [Mobility Radeon HD 5430 Series]

桑德拉

Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1280 x 1280
DFP1 disconnected (normal left inverted right x axis y axis)
DFP2 disconnected (normal left inverted right x axis y axis)
CRT1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 337mm x 270mm
   1280x1024      60.0*+   75.0  
   1280x960       75.0     60.0  
   1280x768       75.0     60.0  
   1280x720       75.0     60.0  
   1024x768       75.0     70.1     60.0  
   1024x600       75.0     70.1     60.0  
   800x600        72.2     75.0     60.3  
   800x480        72.2     75.0     60.3  
   640x480        75.0     72.8     59.9

/etc/X11/xorg.conf

Section "ServerLayout"
        Identifier     "aticonfig Layout"
        Screen      0  "aticonfig-Screen[0]-0" 0 0
EndSection

Section "Module"
EndSection

Section "Monitor"
        Identifier   "aticonfig-Monitor[0]-0"
        Option      "VendorName" "ATI Proprietary Driver"
        Option      "ModelName" "Generic Autodetecting Monitor"
        Option      "DPMS" "true"
EndSection

Section "Monitor"
        Identifier   "0-CRT1"
        Option      "VendorName" "ATI Proprietary Driver"
        Option      "ModelName" "Generic Autodetecting Monitor"
        Option      "DPMS" "true"
        Option      "PreferredMode" "1280x1024"
        Option      "TargetRefresh" "60"
        Option      "Position" "0 0"
        Option      "Rotate" "normal"
        Option      "Disable" "false"
EndSection

Section "Device"
        Identifier  "aticonfig-Device[0]-0"
        Driver      "fglrx"
        Option      "Monitor-CRT1" "0-CRT1"
        BusID       "PCI:1:0:0"
EndSection

Section "Screen"
        Identifier "aticonfig-Screen[0]-0"
        Device     "aticonfig-Device[0]-0"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Depth     24
        EndSubSection
EndSection

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