Can't boot into steam OS

I partitioned my internal ssd and installed win 11 on the new 200gb partition. I installed clover. All done as in this yt tutorial:

https://youtu.be/IraA82T1bxE?si=00909RD7XGq05B2L

After first dual boot, everything went wrong.

First I could not boot into windows. Some weird clover interface showing 2 buttons (labeled windows hd10 and windows hd11) replaced the initial colorful clover interface. Anyway, clicking either buttons went to a black screen with touchpads having haptics. Booted into Steam (from boot manager). And disabled clover (as instructed in several reddit/youtube tutorials).

Shutdown steamdeck. Tried every combination:

For steam os:

Volumeup + power. Boot manager. Select steamOS (second option after windows boot manager). Stuck at steam logo. Hard shutdown.

Volumeup + power. Boot from file esp/efi/steamos/steamcl.efi. I have 5 options:

• current steam os A (some time code)
• previous image B
• current steam os A +boot menu
• previous image B +boot menu
• erase all data (user, games, etc). I chose first two and both times some "ala konsole" rows of codes run in front of me. At some point it stops and the last line is: "A start job is running for file system check on /dev/disk/by-partsets/shared/esp" with a time counter. I waited more than 8 minutes. Then hard shutdown.

The 3rd and 4th options presented some options. I tried first option and a similar "check" happened. Second option offers steamos with linux neptune 611 and fallback Third option goes to uefi. 4th option is system halt. 5th option is system restart. I didn't tried any. I don't want to break anything.

Conclusion 1: I xan't boot into steam os.

For windows:

Volumeup + power. Boot manager. Select windows boot manager (first option before SteamOS). Stuck at steam logo. Hard shutdown.

Volumeup + power. Boot from file. esp/efi/microsoft/bootmgfw.efi. Disk check and windows is loading.

Conclusion 2: I can boot into windows only from boot from file.

Now, my question is how do I repair SteamOS? How do I boot both from boot manager? How do I use clover for easy boot? Without resetting my steamdeck.

Thank you for any help or insight.