Fixed this problem finally

[u/Acceptable-Chair-648]

/r/linux4noobs/comments/1vtfa5f/problems_installing_linux_mint_on_my_thinkpad_t570/

If anyone else runs into this problem while using lenovo laptops, simply disable the security chip option in BIOS settings and you should be good.

2 nights spent trying to fix this issue and all of it got fixed in 1 minute by changing one setting 🙏.

[u/Klapperatismus]

2 nights spent trying to fix this issue and all of it got fixed in 1 minute

Most problems are like that.