我使用的是 Dell Latitude E6420，刚刚安装了 12.04。当我插入外接显示器的 VGA 线时，笔记本电脑检测不到任何新显示器。
这是我的 lspci 的输出：
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:16.3 Serial controller: Intel Corporation 6 Series/C200 Series Chipset Family KT Controller (rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4)
00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b4)
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4)
00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 (rev b4)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation QM67 Express Chipset Family LPC Controller (rev 04)
00:1f.2 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04)
01:00.0 VGA compatible controller: NVIDIA Corporation GF119 [Quadro NVS 4200M] (rev a1)
01:00.1 Audio device: NVIDIA Corporation HDMI Audio stub (rev a1)
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 (rev 34)
0b:00.0 SD Host controller: O2 Micro, Inc. Device 8221 (rev 05)
0b:00.1 Mass storage controller: O2 Micro, Inc. Device 8231 (rev 03)
我尝试从 nvidia 网站安装 Quadro NVS 4200M，但安装完成后卡在 TTY。
关于如何让外接显示器工作，您有什么想法吗？谢谢！
答案1
错了，抱歉！——
您需要配置 bumblebee 驱动程序，您的 Nvidia 在“optimus”平台上运行，而 nvidia 驱动程序无法正确支持该平台。
我建议你查看一下 bumblebee 项目和本指南，以便在你的笔记本电脑上进行配置