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Why is my space button implement dot in monitor

When I touch space button there is a dot in monitor

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Hi,

Does this happen only the desktop screen or in a program or both?

If a program is it always the same one?

Do any other keys cause similar problems?

What OS is installed in the laptop, Win 7, 8.1, 10, 11, Linux etc.

Can you connect a USB keyboard to the laptop and check if the same problem occurs when using it?

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