hi i have downloaded OS X Mavericks on set up installation when i click on macintosh HD to install i get a message saying this disc cannot be used to start up your computer can any one advise thanks
iMac
Open Disk Utility and select the hard drive device (should be the topmost item in the list).
In the info panel at the bottom, the partition map scheme must be GUID Partition Table.
If it is not, you'll have to re-partition the disk which will erase it completely.
If it is not the above, take a look at this. It was for Lion, but likely no different for Mavericks:
thanks but i am a new apple user and struggling where to find things could you possibly explain in more detail thanks
If that mac isn't old, then I doubt it is the partition table.
However,
Disk Utility is in the Utilities folder inside the Applications folder.
Here is what you would see:
The link I posted has a pretty good set of screen shots to work through some things.
Do you have Boot Camp enabled to boot into Windows?
Did you ever use that drive as a Time Machine backup drive?
the machine is a second hand 2011 model i have opened applications and utilities but it is empty
i have clicked on time machine but it says not configured
davd11 wrote:
the machine is a second hand 2011 model i have opened applications and utilities but it is empty
You may be looking in the wrong Applications folder.
Go to the Finder, then choose Utilities from the Go menu. If that folder is truly empty, there may be more wrong with your Mac that is causing the message you see when you try to install Mavericks.
hi i have downloaded OS X Mavericks on set up installation when i click on macintosh HD to install i get a message saying this disc cannot be used to start up your computer can any one advise thanks
