Hola. Intento actualizar de high sierra a big sur y me salta este mensaje "No se pudo establecer conexión con el servidor de recuperación." He probado varios metodos que me sugirieron en otros blog pero no me funcionaron. Mi mac es una pro mid 2014. Gracias
MacBook Pro 13″, macOS 10.13
if your Mac is working you should use the special links in this article to obtain the installer from the Mac App Store:
How to download and install macOS - Apple Support
Both the firmware versions and the boot drive file format changed through the transition between the versions you mentioned. It would be prudent to install one version upgrade at a time.
First Mojave, then Catina, Then Big Sur.
In every case you should have a local, disk-based backup of all your files nearby in case something goes wrong.
auto translate:
Failed to connect to the recovery server.
Hello. I try to upgrade from high sierra to big sur and I get this message "Could not establish connection to the recovery server." I have tried several methods that were suggested to me in other blogs but they did not work for me. My mac is a pro mid 2014. Thank you
Hello. Thanks for your help. I've already done o.s by o.s and it still shows the same thing. I'll try the other methods you gave me. Thanks a million.
No se pudo establecer conexión con el servidor de recuperación.