☰

Ubuntu 18.04 显示 UNCLAIMED

tag-icon • tag-icon drivers 18.04 display brightness
Ubuntu 18.04 显示 UNCLAIMED

我的联想笔记本电脑 E590 自 2018 年 12 月以来一直运行良好，搭载 Ubuntu 18.04。

但突然，从昨天开始，我遇到了一个问题。如果我打开笔记本电脑，它会卡在“启动 Gnome 显示管理器”上。然后，我关闭电脑，重新启动后进入恢复模式。我启用网络并进行正常恢复；我能够在正常图形模式 (gdm3) 下登录。我已经这样做了好几次。所以，这显然不是理想的选择。此外，亮度键不起作用。我尝试切换到，lightdm但出现了同样的问题。请帮忙。谢谢。

输出sudo lshw -c video

  *-display UNCLAIMED
       description: VGA compatible controller
       product: Intel Corporation
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pciexpress msi pm vga_controller bus_master cap_list
       configuration: latency=0
       resources: memory:a1000000-a1ffffff memory:80000000-8fffffff ioport:4000(size=64) memory:c0000-dffff
  *-display UNCLAIMED
       description: Display controller
       product: Lexa PRO [Radeon RX 550/550X]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci@0000:03:00.0
       version: c0
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi bus_master cap_list
       configuration: latency=0
       resources: memory:90000000-9fffffff memory:a0000000-a01fffff ioport:3000(size=256) memory:a2300000-a233ffff memory:a2340000-a235ffff

输出ubuntu-drivers devices

== /sys/devices/pci0000:00/0000:00:1d.2/0000:05:00.0 ==
modalias : pci:v00008086d00002526sv00008086sd00000014bc02sc80i00
vendor   : Intel Corporation
manual_install: True
driver   : backport-iwlwifi-dkms - distro free

相关内容