Black screen after lock and not unlockable 20.04

After locking my computer, I cannot unlock it. I have had this effect since installing the new system. After locking, the computer does not respond to the mouse or keyboard, it is turned on, but the login screen is not displayed.

The only solution is to turn off the computer and turn it on again.

Ubuntu 20.04 64-bit Wayland Dell latitude 5490

Does anyone know maybe solving this problem?

3 Sorted by: Reset to default

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