New macbook pro cannot connect to wifi mac os sierra

NEW MACBOOK PRO CANNOT CONNECT TO WIFI MAC OS SIERRA PASSWORD

Selection B is for Macs that came originally with Snow Leopard or earlier.Р”Р„. Selection A should be used on computers that came with Lion or later when factory new. If anyone on here knows what this is, I would love to know, out of curiosity or for future reference, if anything else. I resolved it by taking it to the IT office at school, but the man who repaired it made no comment. On weaker connections it took up to two minutes. On strong connections it would take half a second. bag? huh? I tried different wifi networks and no matter how strong or secure or whatever the networks were, the only thing that changed was the time it took the MacBook to give me this error. No explanation in the dialogue box, no indication as of what to do. When connected to the local coffee shop free wifi, I tried to download a new copy of macOS Sierra, but after about 30 seconds of spinning wheel, I would get the 'No bag entry' error, and the computer would return to the opening screen you get when booting with Command-R. In fact, it would connect to a regular old WPA2 Personal network.

NEW MACBOOK PRO CANNOT CONNECT TO WIFI MAC OS SIERRA PASSWORD

If the network is WPA/WPA2 Enterprise (which it is at school where I live), it cannot connect because I need username and password to connect, but the MacBook only asks for password, as if it only allowed for WPA2 Personal.

First of all my Mac won't connect to Wi-Fi anymore. turned off the Mac, then turned on pressing Command-R.turned off FileVault in system preferences.signed out of iCloud in system preferences.

However, I have encountered substantial difficulties in trying to restore it. Naturally, I would like to restore it to factory settings before selling it to a stranger. In a nutshell, I have purchased a new MacBook, and I am selling my old one (2013 retina model).

New macbook pro cannot connect to wifi mac os sierra