Can’t change default boot option. I created a partition on

Zumba & Yoga Free Classes for two month at Ubuntu Heart Hospital

Test of "Marionette" (realtime auto bpm-synced StyleGAN+StableDiffusion

Test of "Marionette" (realtime auto bpm-synced StyleGAN+StableDiffusion

Test of "Marionette" (realtime auto bpm-synced StyleGAN+StableDiffusion

Test of "Marionette" (realtime auto bpm-synced StyleGAN+StableDiffusion

HELP! Ubuntu OS just fall down for no reason, I cannot access

Average Ubuntu/Debian user

Linux Ubuntu 25.04