- select the new HD in Disk Utility
- Partition tab : replace "Current" with "1 partition"
- Name : what you want ("Macintosh HD" for example)
- Format : Mac OS X extended journaled
- click the "Options" button, make sure "GUID partition scheme" is selected
- OK, then "Apply"
I usually just select partition layout and pick one then name the drive "Macintosh HD" also under format Mac OS Extended (Journaled). So If I hit partition and it has an error then I hit erase then try again. Hostly it should be that hard and if it is then maybe something is wrong with the drive you bought.
Thank you for all your help tried 2 partitions but still no good I'm gonna try taking hard drive back to the shop and getting a different one # thanks again
Ok been and swapped the hard drive for a new one and went through the steps you told me and fingers crossed it all seems to be working # haven't used time machine as dint know if that was the problem with the first one incase the corrupt file off the original HDD was on the back up? Thanks again for all your help ##