我尝试使用 VGA-HDMI 适配器将旧显示器 Acer P193W 连接到我的 acer apire z3-605。连接显示器后，我转到设置 > 显示，那里只有内置显示器。尝试通过软件和 fglrx 更新更改为专有驱动程序。没有结果
lshw -short
/0/100/1/0 display Sun XT [Radeon HD 8670A/8670M/8690M]
/0/100/2 display 3rd Gen Core processor Graphics Controller
从xorg.conf
Section "ServerLayout"
Identifier "amd-layout"
Screen 0 "amd-screen" 0 0
EndSection
Section "Device"
Identifier "intel"
Driver "intel"
Option "AccelMethod" "uxa"
BusID "PCI:0@0:2:0"
EndSection
Section "Device"
Identifier "amd-device"
Driver "fglrx"
BusID "PCI:1:0:0"
EndSection
Section "Monitor"
Identifier "amd-monitor"
Option "VendorName" "ATI Proprietary Driver"
Option "ModelName" "Generic Autodetecting Monitor"
Option "DPMS" "true"
EndSection
Section "Screen"
Identifier "amd-screen"
Device "amd-device"
Monitor "amd-monitor"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
从xrandr
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
eDP1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 580mm x 360mm
1920x1080 59.7*+
1680x1050 69.9 60.0 59.9
1600x1024 60.2
1400x1050 74.8 70.0 60.0
1600x900 60.0
1280x1024 75.0 60.0
1440x900 59.9
1280x960 60.0
1360x768 59.8 60.0
1152x864 75.0 75.0 70.0 60.0
1280x720 60.0
1024x768 75.0 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 72.8 75.0 60.0 59.9
720x400 70.1
VGA1 disconnected (normal left inverted right x axis y axis)
从lspci
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
01:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Sun XT [Radeon HD 8670A/8670M/8690M]
我就是搞不懂。我买错了适配器吗？我必须更新驱动程序吗？为确保万无一失，我将 ubuntu 重新安装到 14.04 x64，找不到其他回答我的问题的帖子。