大约一年来，我一直将 MSI 16GF 笔记本电脑用作客厅媒体中心，通过 HDMI 连接到松下电视，运行良好。
今天我试着打开电视，结果电视坏了。看了一会儿后，我发现没有检测到 HDMI 端口，这是 xrandr 的输出
兰德
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 16384 x 16384
eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
1920x1080 60.10*+ 60.01 59.97 59.96 59.93
1680x1050 59.95 59.88
1600x1024 60.17
1400x1050 59.98
1600x900 59.99 59.94 59.95 59.82
1280x1024 60.02
1440x900 59.89
1400x900 59.96 59.88
1280x960 60.00
1440x810 60.00 59.97
1368x768 59.88 59.85
1360x768 59.80 59.96
1280x800 59.99 59.97 59.81 59.91
1152x864 60.00
1280x720 60.00 59.99 59.86 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
800x512 60.17
700x525 59.98
800x450 59.95 59.82
640x512 60.02
720x450 59.89
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
680x384 59.80 59.96
640x400 59.88 59.98
576x432 60.06
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
VGA-1 disconnected (normal left inverted right x axis y axis)
正如您所见，HDMI 端口甚至没有被检测到。
这是 lspci -v 输出：
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor DRAM Controller (rev 06)
Subsystem: Micro-Star International Co., Ltd. [MSI] Xeon E3-1200 v3/4th Gen Core Processor DRAM Controller
Flags: bus master, fast devsel, latency 0
Capabilities: <access denied>
Kernel modules: ie31200_edac
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller (rev 06) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 26
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 0000e000-0000efff
Memory behind bridge: f6000000-f70fffff
Prefetchable memory behind bridge: 00000000e0000000-00000000f1ffffff
Capabilities: <access denied>
Kernel driver in use: pcieport
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06) (prog-if 00 [VGA controller])
Subsystem: Micro-Star International Co., Ltd. [MSI] 4th Gen Core Processor Integrated Graphics Controller
Flags: bus master, fast devsel, latency 0, IRQ 37
Memory at f7400000 (64-bit, non-prefetchable) [size=4M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
I/O ports at f000 [size=64]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
Subsystem: Micro-Star International Co., Ltd. [MSI] Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller
Flags: bus master, fast devsel, latency 0, IRQ 39
Memory at f7b14000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05) (prog-if 30 [XHCI])
Subsystem: Micro-Star International Co., Ltd. [MSI] 8 Series/C220 Series Chipset Family USB xHCI
Flags: bus master, medium devsel, latency 0, IRQ 31
Memory at f7b00000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: xhci_hcd
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04)
Subsystem: Micro-Star International Co., Ltd. [MSI] 8 Series/C220 Series Chipset Family MEI Controller
Flags: bus master, fast devsel, latency 0, IRQ 34
Memory at f7b1e000 (64-bit, non-prefetchable) [size=16]
Capabilities: <access denied>
Kernel driver in use: mei_me
Kernel modules: mei_me
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05) (prog-if 20 [EHCI])
Subsystem: Micro-Star International Co., Ltd. [MSI] 8 Series/C220 Series Chipset Family USB EHCI
Flags: bus master, medium devsel, latency 0, IRQ 16
Memory at f7b1c000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci-pci
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05)
Subsystem: Micro-Star International Co., Ltd. [MSI] 8 Series/C220 Series Chipset High Definition Audio Controller
Flags: bus master, fast devsel, latency 0, IRQ 38
Memory at f7b10000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d5) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 27
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
I/O behind bridge: 00002000-00002fff
Memory behind bridge: cf200000-cf3fffff
Prefetchable memory behind bridge: 00000000cf400000-00000000cf5fffff
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1c.3 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #4 (rev d5) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 28
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: f7a00000-f7afffff
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1c.4 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #5 (rev d5) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 29
Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
Memory behind bridge: f7900000-f79fffff
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1c.5 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #6 (rev d5) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 30
Bus: primary=00, secondary=05, subordinate=05, sec-latency=0
Memory behind bridge: f7800000-f78fffff
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05) (prog-if 20 [EHCI])
Subsystem: Micro-Star International Co., Ltd. [MSI] 8 Series/C220 Series Chipset Family USB EHCI
Flags: bus master, medium devsel, latency 0, IRQ 23
Memory at f7b1b000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge: Intel Corporation HM87 Express LPC Controller (rev 05)
Subsystem: Micro-Star International Co., Ltd. [MSI] HM87 Express LPC Controller
Flags: bus master, medium devsel, latency 0
Capabilities: <access denied>
Kernel driver in use: lpc_ich
Kernel modules: lpc_ich
00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 05) (prog-if 01 [AHCI 1.0])
Subsystem: Micro-Star International Co., Ltd. [MSI] 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode]
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 33
I/O ports at f0b0 [size=8]
I/O ports at f0a0 [size=4]
I/O ports at f090 [size=8]
I/O ports at f080 [size=4]
I/O ports at f060 [size=32]
Memory at f7b1a000 (32-bit, non-prefetchable) [size=2K]
Capabilities: <access denied>
Kernel driver in use: ahci
Kernel modules: ahci
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 05)
Subsystem: Micro-Star International Co., Ltd. [MSI] 8 Series/C220 Series Chipset Family SMBus Controller
Flags: medium devsel, IRQ 11
Memory at f7b19000 (64-bit, non-prefetchable) [size=256]
I/O ports at f040 [size=32]
Kernel modules: i2c_i801
01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 860M] (rev a2)
Subsystem: Micro-Star International Co., Ltd. [MSI] GM107M [GeForce GTX 860M]
Flags: bus master, fast devsel, latency 0, IRQ 36
Memory at f6000000 (32-bit, non-prefetchable) [size=16M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f0000000 (64-bit, prefetchable) [size=32M]
I/O ports at e000 [size=128]
Expansion ROM at f7000000 [disabled] [size=512K]
Capabilities: <access denied>
Kernel driver in use: nouveau
Kernel modules: nvidiafb, nouveau
03:00.0 Ethernet controller: Qualcomm Atheros Killer E220x Gigabit Ethernet Controller (rev 13)
Subsystem: Micro-Star International Co., Ltd. [MSI] Killer E220x Gigabit Ethernet Controller
Flags: bus master, fast devsel, latency 0, IRQ 19
Memory at f7a00000 (64-bit, non-prefetchable) [size=256K]
I/O ports at d000 [size=128]
Capabilities: <access denied>
Kernel driver in use: alx
Kernel modules: alx
04:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5249 PCI Express Card Reader (rev 01)
Subsystem: Micro-Star International Co., Ltd. [MSI] RTS5249 PCI Express Card Reader
Flags: bus master, fast devsel, latency 0, IRQ 32
Memory at f7900000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: rtsx_pci
Kernel modules: rtsx_pci
05:00.0 Network controller: Intel Corporation Wireless 3160 (rev 83)
Subsystem: Intel Corporation Dual Band Wireless-AC 3160
Flags: bus master, fast devsel, latency 0, IRQ 35
Memory at f7800000 (64-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
我重新安装了 Ubuntu，结果还是一样。在重新安装之前，我尝试切换 nvidia 驱动程序，没有结果，切换到 nouveau 驱动程序，没有结果，并来回切换显示服务器，也没有结果。
尝试的解决方案：
然后重新安装：
https://itsfoss.com/reinstall-ubuntu/
尝试过的 Nvidia 驱动程序： https://www.nvidia.com/en-us/drivers/unix/
我的 HDMI 端口坏了还是我遗漏了什么？检测到的 I/O 端口是什么？它是配置错误的 HDMI 端口吗？
请帮帮我，没有电视我无法应对疫情。
答案1
好吧，它自己回来了。我不明白为什么。但它确实回来了。这是现在的 xrandr：
xrandr：
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 16384 x 16384
eDP-1 connected (normal left inverted right x axis y axis)
1920x1080 60.10 + 60.01 59.97 59.96 59.93
1680x1050 59.95 59.88
1600x1024 60.17
1400x1050 59.98
1600x900 59.99 59.94 59.95 59.82
1280x1024 60.02
1440x900 59.89
1400x900 59.96 59.88
1280x960 60.00
1440x810 60.00 59.97
1368x768 59.88 59.85
1360x768 59.80 59.96
1280x800 59.99 59.97 59.81 59.91
1152x864 60.00
1280x720 60.00 59.99 59.86 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
800x512 60.17
700x525 59.98
800x450 59.95 59.82
640x512 60.02
720x450 59.89
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
680x384 59.80 59.96
640x400 59.88 59.98
576x432 60.06
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
VGA-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 698mm x 392mm
1920x1080 50.00*+ 60.00 59.94 24.00 23.98
1920x1080i 60.00 50.00 59.94
1280x720 60.00 50.00 59.94
720x576 50.00
720x576i 50.00
720x480 60.00 59.94
720x480i 60.00 59.94
640x480 60.00 59.94