M1 MacMini and LG32UK550 Display - Screen is shifting left and up and no volume control

I connected my new Mac MIni M1 to a 32" LG 32UK550 Display with a resolution of 3840x2160 with the HDMI cable provided with the monitor.

In the "about this Mac" window the display is wrongly recognized as: LG HDR 4K (27").

Problem 1

When moving the pointer to the bottom of the screen, to the edge, the screen content moves up about 3-5 Pixels (It cuts off the top of the text of the menu bar). When moving the pointer to the right edge of the screen, the screen content moves to the left about 3-5 Pixels.

The problem occurs in all screen resolutions. Also it the standard resolution which is wrongly set by the system.

Problem 2

It is possible to set the volume of the sound effects on the keyboard and in the system settings.

But: It is NOT possible to set the volume of sound output when using the monitors speakers. It is impossible to move the slider in the system settings (Output) and impossible to use the keyboard.

I send feedback to Apple but would appreciate some advice.