After upgrading to 24H2, every first boot hangs but then the second boot works fine

[Windows 11]

This computer ran Windows 11 23H2 without any issues. I then upgraded it to 24H2. Now I observe this behavior:- You power the machine on. You see the four blue squares and the spinning circle below it. After a few seconds the circle disappears. The four blue squares remain there. Nothing further happens; the computer remains like that. The keyboard does not light up, you cannot turn on Num lock caps lock or press control alt del. You eventually press the computer power button which with one single press turns the computer off. Normally a long press is required to restart the computer.- You pr

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