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If I turn on my PC and not my monitor when I turn on my monitor the display is black and I don't see the login. I must turn on the monitor before I turn on the PC to see the login. With the screen off after a period of inactivity when I move the mouse screen is black. I have to close the app and open again and everything goes OK.

*-display                 
       description: VGA compatible controller
       product: Ellesmere [Radeon RX 470/480/570/570X/580/580X/590]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       logical name: /dev/fb0
       version: e7
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi vga_controller bus_master cap_list rom fb
       configuration: depth=32 driver=amdgpu latency=0 resolution=3840,2160
David DE
  • 2,316
Sirius
  • 1

1 Answers1

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I have the same issue. If the monitor is off during the boot, ubuntu does not display the login screen.

However, I have discover that if you write the password in that black screen the session starts.

Jose F. Velez
  • 111