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升级到 20.04 后屏幕闪烁

tag-icon • tag-icon 20.04 gpu
升级到 20.04 后屏幕闪烁

我升级了发行版到 20.04。重启后，屏幕开始闪烁，而且一直闪烁。启动后立即闪烁，然后桌面才会出现。其他一切都正常，但这几乎让工作变得不可能。有什么建议吗？

计算机：戴尔 Precision 7530 笔记本电脑，预装 Linux。

$ uname -a
Linux lux 5.4.0-47-generic #51-Ubuntu SMP Fri Sep 4 19:50:52 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

$ sudo lshw -C display
[sudo] password for mike: 
  *-display                 
       description: VGA compatible controller
       product: Baffin [Radeon Pro WX 4130/4150]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci@0000:01:00.0
       logical name: /dev/fb0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi vga_controller bus_master cap_list rom fb
       configuration: depth=32 driver=amdgpu latency=0 mode=1920x1080 visual=truecolor xres=1920 yres=1080
       resources: iomemory:410-40f iomemory:400-3ff irq:131 memory:4100000000-41ffffffff memory:4080000000-40801fffff ioport:3000(size=256) memory:9e400000-9e43ffff memory:c0000-dffff

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