Ubuntu 20.04.2 LTS: –°onnecting a specific monitor leads to system freezing

Asked by shustrij91 on 2021-06-03

Ubuntu 20.04.2 LTS

I usually work with two monitors connected via Displayport and one monitor connected via HDMI.
Today at the next start of the system hanged at boot screen.

If I disable one specific monitor, the system boots successfully. Moreover, if I connect this monitor while the system is running, everything will freeze.

What could be the reason?

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