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