That doesn't look good Let me try to help with your problem #1: "[FAILED] Failed to start Light Display Manager". Read the following reply of mine in a different topic, that I also posted here in the "Ubuntu MATE Community", on 22nd September 2022, to a problem that @Pratyay was having and see if my answer there and/or @Pratyay follow-up reply helps you:
Let me try to help with your problem #1: "[FAILED] Failed to start Light Display Manager". Read the following reply of mine in a different topic, that I also posted here in the "Ubuntu MATE Community", on 22nd September 2022, to a problem that @Pratyay was having and see if my answer there and/or @Pratyay follow-up reply helps you: