
Processor : Intel Core 2 Duo Processor
CPU Speed : 1.5GHz or above
Operating System : Mac OS X 10.3.9, 10.4 Tiger, 10.5 Leopard and Snow Leopard
Memory : Minimum 512 MB (1 GB recommended)
Hard Disk : 40 MB of free disk space
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Mac is an advance operating system that is loaded with several innovative technology and inbuilt tools. One most used tool is disk utility. This tool is widely used by Mac users to perform several tasks related to Mac programs. It can be used to create, convert, compress or encrypt disk images. It also checks hard drive SMART status, disk integrity verification, mount or unmount hard drive and repair hard drive permissions. You may check and repair file system errors by using this tool. Most of the time this tool helps to solve the problems but sometimes it fails to perform targeted task due to some adverse situations.
Suppose you want to repair hard drive permission. You attempt to run disk utility tool for this purpose but you get shocked to see an unwanted error message on system screen. The error code may looks as:
"Disk Utility Internal Error Disk Utility has lost its connection with the Disk Management Tool and cannot continue. Please quit and relaunch Disk Utility."
Above mentioned error code indicates about some internal Mac problem. After occurrence of this error message, the repair process will get interrupted and hard drive problem will remain unsolved on the system. Here, you need to find out the root cause of the problem in order to solve the issue.
Common reasons behind Disk Utility Internal Error:
This error generally appears due to Disk management tool problems. Error is mainly related to one specific file called Chess. If this file is corrupted or damaged then you should delete this file. Other possible reason behind the error is file system corruption.
In both situations there are possible chances of data loss. So, it is wisely to update system backup on regular basis to avoid data loss problems.
How to solve Disk utility internal error on Mac:
This error can be easily solved after deleting Chess files. If this step fails to solve the problem then you need to repair disk. You need to boot disk for this purpose. If problem is related to file system errors then drive formatting is required. After formatting reinstall the operating system. If there is any data loss situation after performing repair task then use third party tool to recover lost data. You may use professional undelete Mac file software to restore the data that you get lost during repair process.

Launch Mac data recovery software
Now select volume for recovery of deleted data
Select file type
Now Start Scan
After scanning software recovers all deleted files including trashed one. From here restore files which you want at your specified location.