Hi Peter, Download and install the Combo macOS Sierra 10.12.4 Combo Update on your son’s MacBook Pro.
Download macOS Sierra 10.12.4 Combo Update https://support.apple.com/kb/DL1910?locale=en_US <https://support.apple.com/kb/DL1910?locale=en_US> Let me know if that corrects his problems. Cheers, Ronni 13-inch MacBook Air (April 2014) 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz 8GB 1600MHz LPDDR3 SDRAM 512GB PCIe-based Flash Storage macOS Sierra 10.12.4 > On 9 Apr 2017, at 6:43 am, Peter Crisp <[email protected]> wrote: > > On Friday evening my son pushed the OSX Update on his MacBook Pro (late 2011) > to move to Sierra 10.12.4 from Yosemite. The update went fine and I forced a > TM backup prior to starting. It seems to have all worked ok and even the > backup processed without hitch (unlike my own issue with FileVault now > resolved). His MacBook is still set with FileVault OFF. > > Short story is that he cannot access the Internet. Safari or Google Chrome > both will not respond - progress bar stops about 10% in and then stuck. > Network diagnostic assistance says "Your internet connection appears to be > working correctly". Backups to WiFi TM are working fine. Unable to login to > iCloud from his MacBook as no external Comms. I've checked his password using > myiPad in "Manage my AppleID" and this password is clearly not the cause of > error - just simply no Comms to outside the house. > > All other computers and devices no problem communicating outside. > > I had a browse and others have indicated Safari problems with the 10.12.4 > update and that rolling back to 10.12.3 resolves the issue. Not an option > here as he has come 'from' Yosemite. > > All other apps requiring external Comms also do not respond; Mail, iTunes, > iCloud music etc. I even replicated the DNS settings from my MacBook all to > no avail. > > All clues anyone? Anything is possible after the Dockers rolled the reigning > premiers!! > > Regards > > > Pete
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