820-00281-10 wifi problem

[bartech]

wifi is working for few seconds then he lost signal and again its comming back. cant finish the osx instalation whit this problem.

 

[2informaticos]

Just loses signal, or wifi hardware is not available then?
Test it with preinstalled USB macOS.

 

[bartech]

i was trying but when i log in -Mac want to connect whit internet to download aditional critical update data and need to connect to wifi but i cant because mac lost signal all the time and then signal come back. the same on external drive wher is big sure and work normaly on other mac. Cant make pram reset and cant get to dfu . mac say " mac need critical software update , but when installing there is internet connection problem. you can't use your mac before this update"

 

[donnos]

use a usb-c to ethernet connection and try

 

[2informaticos]

Ethernet is the first option to try.
We hope there is no problem with touchbar also.

 

[bartech]

cant connect too , touch bar is not working

 

[tinaunglwin]

i have Macbook pro 15inch 820-00281-A new os install later wifi
issue same error how to solve?

 

[2informaticos]

Please open new thread with your problem.
Same symptom doesn't always suppose the same cause.