Need help!

[chinhnguyen90]

Hi everyone,
My laptop is dell vostro 3550, i installed macOS high sierra using Chameleon and i updated Security Update 2020 - 002 from app store. But when restart, boot failed, my laptop loop restart. I check in Extra folder has "macOS Install data", remove this folder boot is ok but i can't update anything.
Help me, please! Thank you very much!

 

[Armin4]

Hey chinhnguyen,

I hope you managed to solve your problem, i Also have a Dell Vostro 3550 and would like some advice from your if that's possible, i'm completely new to this

Thank you