| Mac OS X 10.6.x Snow Leopard, the latest release of | | | | Solution |
| Mac OS X family of operating systems, can only | | | | To successfully install Snow Leopard on your |
| boot from GUID partition table disks installed on | | | | Intel-based Mac computer, you need to change the |
| Intel-based Macintosh computers. So, if you try to | | | | existing partition scheme of your hard disk to GUID. |
| use a former PowerPC hard drive as the startup disk | | | | To do so, follow the given steps: |
| for an Intel-based Macintosh computer with Snow | | | | Start your computer from Mac OS X installation disk |
| Leopard, you fail in your attempts. To install Snow | | | | and open 'Disk Utility' from 'Utilities' folder |
| Leopard, you will need to repartition your hard disk | | | | Choose the target disk to be partitioned |
| using GUID partition scheme. Doing so results into | | | | In 'Disk Utility' window, you need to select 'Partition' |
| complete data loss. So, to restore it, you need to | | | | tab |
| either use your backup or scan the hard disk using a | | | | Specify the required number of partitions from |
| powerful Mac Recovery utility. | | | | 'Volume Scheme' pop-up menu and click 'Options' |
| For instance, consider that you try to install Mac OS | | | | Choose 'GUID Partition Scheme' from 'Partition |
| X 10.6 (Snow Leopard) on your Intel-based Mac, but | | | | Scheme' pop-up menu and click OK |
| fail to do so. You come across the below error | | | | Click 'Partition' button. This will erase the entire disk |
| message: | | | | and change the existing partition scheme |
| “Can't Install Snow Leopard Since Disk Does Not | | | | After the disk partitioning completes, install Snow |
| Use GUID Partition Scheme” | | | | Leopard and restore data from backup |
| Or | | | | On occasion, you cannot restore from the available |
| “The disk cannot be used to start up your | | | | backup as it is invalid to restore. To deal with such |
| computer” | | | | problems, you need to use Mac File Recovery utilities. |
| Cause | | | | Mac Recovery software are high-end applications |
| The prime reason for such errors to occur is the disk | | | | empowered with advanced scanning algorithms that |
| you are trying to install Mac OS X 10.6 is not using | | | | can locate and restore all missing or lost files and |
| native partition scheme for your Intel processor. This | | | | folders. |
| might occur if you are using a former PPC hard drive. | | | | |