![10.12 Sierra - Impossible de réinstaller macOS Sierra _ Pb via OS X Base System | Les forums de MacGeneration 10.12 Sierra - Impossible de réinstaller macOS Sierra _ Pb via OS X Base System | Les forums de MacGeneration](https://forums.macg.co/data/attachments/14/14738-6e3ab2bdb4bd4223cad6606b1c56db04.jpg)
10.12 Sierra - Impossible de réinstaller macOS Sierra _ Pb via OS X Base System | Les forums de MacGeneration
![Trying to reinstall macOS on this 2013 MBA. Has new battery. I can get to recovery mode (CMD+OPT+R) but only shows macOS Base System? Any help is appreciated. : r/mac Trying to reinstall macOS on this 2013 MBA. Has new battery. I can get to recovery mode (CMD+OPT+R) but only shows macOS Base System? Any help is appreciated. : r/mac](https://preview.redd.it/trying-to-reinstall-macos-on-this-2013-mba-has-new-battery-v0-1m629flyxo6c1.jpeg?auto=webp&s=5d78d59ee312404b790406a45a9f03c0d3868aeb)
Trying to reinstall macOS on this 2013 MBA. Has new battery. I can get to recovery mode (CMD+OPT+R) but only shows macOS Base System? Any help is appreciated. : r/mac
![I need to erase my hard drive on my Mac. Can anyone tell me the difference between the three disk options on the left panel? And why does “macOS Base System” have “ I need to erase my hard drive on my Mac. Can anyone tell me the difference between the three disk options on the left panel? And why does “macOS Base System” have “](https://preview.redd.it/mamxra4agwg41.jpg?width=640&crop=smart&auto=webp&s=fd04592dd2c08e6d99bab9468ddf5e4d5ce84656)