3 监视器在 kubuntu 21.04 上不工作

3 监视器在 kubuntu 21.04 上不工作

我想要一个有 3 个显示器的设置。

我有一台 DELL precision T1650,配备 32 GB RAM 和 +1TB SSD。

对于显示器,我有 2 个 Phillips(1080P:1920x1080)和 1 个 BenQ 显示器(1080P:1920x1080)。2 个 Phillips 连接到 2 个显示端口 -> HDMI(计算机上显示,屏幕上显示 HDMI)。BenQ 连接到 vga -> vga。

在我的配置面板上,所有这些都被正确识别。

他们并不是同时一起工作。

只有 2 个在工作。

当我断开其中一个时,另外两个开始工作。

当我重启电脑时,所有内容都一起显示。登录后,我丢失了一个。当我进入配置时,它只显示为禁用。

我该如何修复以便登录后所有 3 个显示器仍然工作?

如果我的问题缺少某些信息,请随时提问。

谢谢。

这是 lspci:

00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller (rev 09)
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
00:16.0 Communication controller: Intel Corporation 7 Series/C216 Chipset Family MEI Controller #1 (rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (Lewisville) (rev 04)
00:1a.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 7 Series/C216 Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 1 (rev c4)
00:1c.2 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 3 (rev c4)
00:1d.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a4)
00:1f.0 ISA bridge: Intel Corporation C216 Series Chipset LPC Controller (rev 04)
00:1f.2 RAID bus controller: Intel Corporation SATA Controller [RAID mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 7 Series/C216 Chipset Family SMBus Controller (rev 04)
02:00.0 Network controller: Qualcomm Atheros AR9287 Wireless Network Adapter (PCI-Express) (rev 01)

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