downloading the installer build manifest failed
Trying to reinstall macOS Monterey. Get error message “Downloading the installer build manifest failed. I am connected to a power source and WiFi.
MacBook Air 13″, macOS 12.0
Apple Event: May 7th at 7 am PT
Trying to reinstall macOS Monterey. Get error message “Downloading the installer build manifest failed. I am connected to a power source and WiFi.
MacBook Air 13″, macOS 12.0
There are factors:
1 - Like poor Wifi connection
2 - Slow wifi connection
3 - Too many other people downloading at the same time and Apple Severs are overloaded
4 - Software on the computer interfering with the download process including AntiVirus Software
5 - Running behind a VPN which may increase Packet losses and may corrupt the download
6 - If via wifi too many Other devices using the wifi at the same time reducing the Bandwidth to your computer.
7 - Best Results are via Ethernet Cable to Router
There are factors:
1 - Like poor Wifi connection
2 - Slow wifi connection
3 - Too many other people downloading at the same time and Apple Severs are overloaded
4 - Software on the computer interfering with the download process including AntiVirus Software
5 - Running behind a VPN which may increase Packet losses and may corrupt the download
6 - If via wifi too many Other devices using the wifi at the same time reducing the Bandwidth to your computer.
7 - Best Results are via Ethernet Cable to Router
About macOS Recovery on Intel-based Mac computers - Apple Support
If disk OK then d boot to Safe Mode, which takes minutes and redownload the installer and try again.
https://support.apple.com/en-us/HT201262
4.If you have not fully update the existing macOS version they fully updating and try again.
5 Open the Terminal app and enter this command
softwareupdate –list-full-installers
This will give you list of available downloads. Then enter this command to download an installer:
Then enter the command:
softwareupdate --fetch-full-installer --full-installer-version xx.x.x
where xx.x.x is the version number in the list you wanted. You will likely enter the value 12.1 for current Monterey
downloading the installer build manifest failed