un point d'interrogation clignotant apparait
When trying to install macOS Sierra, my computer went black. when restarted, I had a question mark flashing. when tryi to reinstall the OS I got: Dec 4 22:26:20 MacBook-Air osinstallersetupd[552]: No native mechanism to verify InstallInfo.plist... Could you help?
J'ai essaye d'installer macOS Sierra, Mon ecran est devenu noir. En le Rallumant, un point d'interrogation clignotant apparait. mark flashing. En re-installant l'OS j'ai: "MacBook-Air osinstallersetupd[552]: No native mechanism to verify InstallInfo.plist... " - Que faire?
MacBook Air, iOS 11.2