macOS Big Sur 11.6
I'm getting the following message when trying to update my Macbook Air for
macOS Big Sur 11.6:
"Current device configuration and target is invalid for install in the current state. Please try again."
MacBook Air 13″, macOS 11.5
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Best reply
First try this
If Intel-based Mac:
Reset SMC
Reset NVRAM
Restart holding Shift to enter Safe Mode. Once up, restart normally and try again.
If M1 Mac, just try Safe Mode.
If it doesn't work, try:
Intel:
Restart holding Command R to load Recovery Mode Use macOS Recovery on a Mac with Apple silicon - Apple Support
Open Disk Utility and run First Aid (See the Repair your internal storage device in the link above)
Now change startup security to medium or high. Here's how to do it About Startup Security Utility - Apple Support
M1
Shut down the computer
Press and hold Power until you see it loading startup menu Use macOS Recovery on a Mac with Apple silicon - Apple Support
Choose Options
Open disk Utility and run First Aid (See the Repair your internal storage device in the link above)
Change Startup Security as said above
After procedures, try updating again.