我正在尝试将 2 台显示器连接到我的台式电脑。第一台显示器通过 DisplayPort 电缆连接，第二台显示器通过 HDMI 电缆连接。第一台显示器工作正常，直到插入第二台显示器的 HDMI 电缆。因此，只有第二台显示器在工作。似乎第一台显示器保持打开状态，但没有显示任何内容。有什么解决办法吗？以下是 lspci -v 命令的输出：
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Root Complex
Subsystem: Micro-Star International Co., Ltd. [MSI] Family 17h (Models 00h-0fh) Root Complex
Flags: fast devsel
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) I/O Memory Management Unit
Subsystem: Micro-Star International Co., Ltd. [MSI] Family 17h (Models 00h-0fh) I/O Memory Management Unit
Flags: fast devsel, IRQ 25
Capabilities: <access denied>
00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
Flags: fast devsel
00:01.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) PCIe GPP Bridge (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: [disabled]
Memory behind bridge: fc800000-fc8fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
00:01.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) PCIe GPP Bridge (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 27
Bus: primary=00, secondary=03, subordinate=28, sec-latency=0
I/O behind bridge: 0000f000-0000ffff [size=4K]
Memory behind bridge: fc500000-fc6fffff [size=2M]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
Flags: fast devsel
00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
Flags: fast devsel
00:03.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) PCIe GPP Bridge (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 28
Bus: primary=00, secondary=29, subordinate=29, sec-latency=0
I/O behind bridge: 0000e000-0000efff [size=4K]
Memory behind bridge: fb000000-fc0fffff [size=17M]
Prefetchable memory behind bridge: 00000000d0000000-00000000e1ffffff [size=288M]
Capabilities: <access denied>
Kernel driver in use: pcieport
00:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
Flags: fast devsel
00:07.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
Flags: fast devsel
00:07.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Internal PCIe GPP Bridge 0 to Bus B (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 29
Bus: primary=00, secondary=2a, subordinate=2a, sec-latency=0
I/O behind bridge: [disabled]
Memory behind bridge: fc200000-fc4fffff [size=3M]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
Flags: fast devsel
00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Internal PCIe GPP Bridge 0 to Bus B (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 31
Bus: primary=00, secondary=2b, subordinate=2b, sec-latency=0
I/O behind bridge: [disabled]
Memory behind bridge: fc700000-fc7fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 59)
Subsystem: Micro-Star International Co., Ltd. [MSI] FCH SMBus Controller
Flags: 66MHz, medium devsel
Kernel driver in use: piix4_smbus
Kernel modules: i2c_piix4, sp5100_tco
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 51)
Subsystem: Micro-Star International Co., Ltd. [MSI] FCH LPC Bridge
Flags: bus master, 66MHz, medium devsel, latency 0
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 0
Flags: fast devsel
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 1
Flags: fast devsel
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 2
Flags: fast devsel
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 3
Flags: fast devsel
Kernel driver in use: k10temp
Kernel modules: k10temp
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 4
Flags: fast devsel
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 5
Flags: fast devsel
00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 6
Flags: fast devsel
00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 7
Flags: fast devsel
01:00.0 Non-Volatile memory controller: Kingston Technology Company, Inc. Device 2263 (rev 03) (prog-if 02 [NVM Express])
Subsystem: Kingston Technology Company, Inc. Device 2263
Flags: bus master, fast devsel, latency 0, IRQ 58, NUMA node 0
Memory at fc800000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: nvme
Kernel modules: nvme
03:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset USB 3.1 XHCI Controller (rev 01) (prog-if 30 [XHCI])
Subsystem: ASMedia Technology Inc. 400 Series Chipset USB 3.1 XHCI Controller
Flags: bus master, fast devsel, latency 0, IRQ 30
Memory at fc6a0000 (64-bit, non-prefetchable) [size=32K]
Capabilities: <access denied>
Kernel driver in use: xhci_hcd
03:00.1 SATA controller: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset SATA Controller (rev 01) (prog-if 01 [AHCI 1.0])
Subsystem: ASMedia Technology Inc. 400 Series Chipset SATA Controller
Flags: bus master, fast devsel, latency 0, IRQ 57
Memory at fc680000 (32-bit, non-prefetchable) [size=128K]
Expansion ROM at fc600000 [disabled] [size=512K]
Capabilities: <access denied>
Kernel driver in use: ahci
Kernel modules: ahci
03:00.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset PCIe Bridge (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 33
Bus: primary=03, secondary=20, subordinate=28, sec-latency=0
I/O behind bridge: 0000f000-0000ffff [size=4K]
Memory behind bridge: fc500000-fc5fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
20:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset PCIe Port (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 34
Bus: primary=20, secondary=25, subordinate=25, sec-latency=0
I/O behind bridge: 0000f000-0000ffff [size=4K]
Memory behind bridge: fc500000-fc5fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
20:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset PCIe Port (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 36
Bus: primary=20, secondary=26, subordinate=26, sec-latency=0
I/O behind bridge: [disabled]
Memory behind bridge: [disabled]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
20:06.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset PCIe Port (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 37
Bus: primary=20, secondary=27, subordinate=27, sec-latency=0
I/O behind bridge: [disabled]
Memory behind bridge: [disabled]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
20:07.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset PCIe Port (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 39
Bus: primary=20, secondary=28, subordinate=28, sec-latency=0
I/O behind bridge: [disabled]
Memory behind bridge: [disabled]
Prefetchable memory behind bridge: [disabled]
Capabilities: <access denied>
Kernel driver in use: pcieport
25:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
Subsystem: Micro-Star International Co., Ltd. [MSI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
Flags: bus master, fast devsel, latency 0, IRQ 30
I/O ports at f000 [size=256]
Memory at fc504000 (64-bit, non-prefetchable) [size=4K]
Memory at fc500000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: r8169
Kernel modules: r8169
29:00.0 VGA compatible controller: NVIDIA Corporation Device 2484 (rev a1) (prog-if 00 [VGA controller])
Subsystem: Palit Microsystems Inc. Device 2484
Flags: bus master, fast devsel, latency 0, IRQ 85
Memory at fb000000 (32-bit, non-prefetchable) [size=16M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
Memory at e0000000 (64-bit, prefetchable) [size=32M]
I/O ports at e000 [size=128]
Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: nvidia
Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia
29:00.1 Audio device: NVIDIA Corporation Device 228b (rev a1)
Subsystem: Palit Microsystems Inc. Device 2484
Flags: bus master, fast devsel, latency 0, IRQ 82
Memory at fc080000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
2a:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Zeppelin/Raven/Raven2 PCIe Dummy Function
Subsystem: Micro-Star International Co., Ltd. [MSI] Zeppelin/Raven/Raven2 PCIe Dummy Function
Flags: fast devsel
Capabilities: <access denied>
2a:00.2 Encryption controller: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Platform Security Processor
Subsystem: Micro-Star International Co., Ltd. [MSI] Family 17h (Models 00h-0fh) Platform Security Processor
Flags: bus master, fast devsel, latency 0, IRQ 78
Memory at fc300000 (32-bit, non-prefetchable) [size=1M]
Memory at fc400000 (32-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: ccp
Kernel modules: ccp
2a:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Zeppelin USB 3.0 Host controller (prog-if 30 [XHCI])
Subsystem: Micro-Star International Co., Ltd. [MSI] Zeppelin USB 3.0 Host controller
Flags: bus master, fast devsel, latency 0, IRQ 48
Memory at fc200000 (64-bit, non-prefetchable) [size=1M]
Capabilities: <access denied>
Kernel driver in use: xhci_hcd
2b:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Zeppelin/Renoir PCIe Dummy Function
Subsystem: Micro-Star International Co., Ltd. [MSI] Zeppelin/Renoir PCIe Dummy Function
Flags: fast devsel
Capabilities: <access denied>
2b:00.2 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 51) (prog-if 01 [AHCI 1.0])
Subsystem: Micro-Star International Co., Ltd. [MSI] FCH SATA Controller [AHCI mode]
Flags: bus master, fast devsel, latency 0, IRQ 61
Memory at fc708000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: ahci
Kernel modules: ahci
2b:00.3 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) HD Audio Controller
Subsystem: Micro-Star International Co., Ltd. [MSI] Family 17h (Models 00h-0fh) HD Audio Controller
Flags: bus master, fast devsel, latency 0, IRQ 84
Memory at fc700000 (32-bit, non-prefetchable) [size=32K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
以及 xrandr 命令的输出：
Screen 0: minimum 8 x 8, current 3840 x 1168, maximum 32767 x 32767
HDMI-0 connected 1920x1080+1920+88 (normal left inverted right x axis y axis) 598mm x 336mm
1920x1080 60.00*+ 59.94 50.00
1600x900 60.00
1280x1024 75.02 60.02
1280x720 60.00 59.94 50.00
1152x864 75.00
1024x768 75.03 60.00
800x600 75.00 60.32
720x576 50.00
720x480 59.94
640x480 75.00 59.93 59.94
DP-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 521mm x 293mm
1920x1080 60.00*+ 165.00 144.00 119.98 119.88 59.94 50.00
1280x1024 75.02 60.02
1280x720 59.94 50.00
1024x768 119.99 99.97 75.03 70.07 60.00
800x600 119.97 99.66 75.00 72.19 60.32 56.25
720x576 50.00
720x480 59.94
640x480 119.52 99.77 75.00 72.81 59.93 59.94
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)
谢谢