Can't free up space for Sierra install

After downloading mac os Sierra, I started to install it. I forgot to check my disk space. now I'm stuck in this message:

Mac OS could not be installed on your computer - there is not enough free space on - to install.

I tried to go into safe mode. no luck just a white screen. tried to erase some files in the terminal it says that it is read-only. tried to change the permissions chmod 777. no change. I don't know what to do.

Hi Hzmajin,

Thank you for downloading Mac OS Sierra! I understand that you are now stuck in the installation due to a lack of disk space on your Mac. Great way to try to start in safe mode to resolve. Given that it did not work, I start up your Mac in recovery then try a reinstall of the OS X earlier if possible. If you made a back up with Time Machine, you can restore the Mac since this backup or you can use to clear the drive completely and then reinstall OS X. After you upgrade to Mac OS Sierra, you can then manually restore your data from the backup of your Mac. If you do not create a back up before you tried to upgrade and archive and reinstall does not work, try using target disk Mode to access the disk drive on the Mac and remove the unwanted data in this way. The links below will help you with the suggestions I provided.

How to reinstall OS X

OS X can be installed on the same version or an earlier version of Mac OS X, without deleting your data. You don't need to remove or disable the existing system first.
Boot to OS X Recovery now command-r immediately after start-up or you restart your Mac. Release the keys when you see the Apple logo. Start-up is finished when you see the OS X Utilities window.

If you do not want to wipe your drive before reinstalling OS X, open utility disk from window OS X Utilities, and then use disk utility to erase the drive. Quit disk utility when done.
Erase the disc is not necessary unless you transfer your Mac to a new owner, the partitioning of your drive for use with Boot Camp, or attempt to solve the problem as disk utility cannot repair.

Choose to reinstall OS X OS X Utilities window, and then follow the instructions on the screen.
This installs the latest version of Mac OS X, which has already been installed on your Mac.

Restore from a backup

If you have a Time Machine backup of your Mac, you can restore this backup the OS X. This erases the disk you restore, then replace everything on this disc with OS X and other data from the backup. To continue, OS X Recovery starting, then choose restore from the backup Time Machine and follow the instructions on the screen.

Share files between two computers with target disk mode

These steps should help you in obtaining Mac OS Sierra installed on your Mac with success. Please use the Apple Support communities to post your question. Have a great day.

Tags: Mac OS & System Software

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