Sometimes when you upgrade to Mac OS X 10.5 Leopard, the only obtainable installation alternative might be the Erase and Install. During the installation process, you may come across the following error message:
"You can not install Mac OS X 10.5 on this volume with out changing your installation settings.”
Cause of this issue
This problem could take place due to a variety of reasons. Some common ones among them are as follows:
You have used TechTool Pro to create an eDrive on destination volume
Leopard does complete check of the hard drive prior to list them in destination window. If this check fails, the problem may occur
Due to any of the above reasons, this problem may take place and you may fall in critical problems.
Resolution- Mac Data Recovery
To work around these problems, you need to remove errors from your hard drive. You can repair your hard drive by using the Disk Utility from the Leopard installation DVD. It will verify and repair the destination volume.
But sometimes this method also fails and Disk Utility gives errors like- “"Incorrect number of
Extended Attributes (it should be 0 instead of [some numbers])" when you attempt to repair the disk.
If the Disk Utility fails to do the verify and repair task, the only option you have is to perform Erase and Install. It will erase all of the data from your Mac hard drive and will leave you in a disastrous situation of data loss.
In such cases, you need to have data recovery Mac to save your precious and business critical data. Data recovery Mac is potential using the Mac data recovery software. Mac data recovery software are easy to use and highly powerful Mac recovery tools which can perform smooth data recovery Mac in each and every case of data loss.
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