需要开启 intel 集成显卡开启 VirtualHeads，将一个闲置的笔记本做屏幕显示 然后创建以下文件 /usr/share/X11/xorg.conf.d/20-intel.conf Section "Device" Identifier "intelgpu0" Driver "intel" Option "VirtualHeads" "1" EndSection 启动后，能显示，但是会有很多雪花，花屏 一旦删除这个文件就不会花屏了
lspci |grep VGA
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 02)
lspci -v -s 00:02.0
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 02) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company UHD Graphics Flags: bus master, fast devsel, latency 0, IRQ 149 Memory at b0000000 (64-bit, non-prefetchable) [size=16M] Memory at a0000000 (64-bit, prefetchable) [size=256M] I/O ports at 5000 [size=64] Expansion ROM at 000c0000 [virtual] [disabled] [size=128K] Capabilities: [40] Vendor Specific Information: Len=0c <?> Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00 Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [100] Process Address Space ID (PASID) Capabilities: [200] Address Translation Service (ATS) Capabilities: [300] Page Request Interface (PRI) Kernel driver in use: i915 Kernel modules: i915