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Ubuntu 21.04 fails to open properly on first boot but loads fine after forcefully shutting down and booting again

ng flag

I am using Ubuntu 21.04 (no dual boot) and I am encountering some strange issues during the boot process.

I encounter the state depicted in the picture each time I open my laptop from a shutdown state or when I reboot it. However, when my laptop is in this state, if I forcefully power it off and power on again, then the boot process runs fine. How can this issue be fixed? Thanks.enter image description here

*** Edit #1: When the startup frozen-like state appears, I pressed the up-arrow key, and the output was the following:

Volume group "vgubuntu" not found
Cannot process volume group vgubuntu
Volume group "vgubuntu" not found
Cannot process volume group vgubuntu

Please unlock disk nvme0n1p3_crypt

It did ask for my decryption password. However, after I gave the password, a bunch of output appeared, and then the situation was the same. The login screen did not come, and I had to poweroff-and-poweron, not once, but twice.

ar flag
When the computer starts booting and before it reaches the state in the picture, press the up arrow key to reveal the boot messages. The last message may give us a clue.
ar flag
I am not sure whats going on. Someone with more experience with encryption may have better ideas.
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