The causes, symptoms and solutions of Mac startup issues might vary. All the versions of Mac OS X are affected by such problem and some of such issues cause critical data loss. Data loss is something that is never expected by any computer user, but it eventually occurs and create several inconsistencies. It cause critical data loss situations and require Mac Data Recovery to retrieve lost data.

You may come across any of the below symptoms when you start you Mac computer:

Blue Screen, Empty Screen, spinning disk or colored pinwheel: Damaged Mac OS X font file might cause this issue, drag it to desktop. Delete all of the incompatible third party applications and then reboot your system. If you retain preference file that has settings of connecting when you start TCP/IP application, remove it. Restart system in single user mode. Use Disk Utility to check file system errors and fix them.

Blank or gray Mac OS X screen: When you the blank of gray screen on startup, the problem could be due to firmware. You should make sure that you have updated firmware. Disconnect all the peripheral devices and if you have installed updates for any hardware, remove it. The hard drive could be damaged. Check it using the Disk Utility tool and repair the issues if it finds any.

Broken folder icon, Kernel panic messages or prohibitory sign: Reset PRAM and NVRAM and then select the boot volume again. The moved or renamed system folders could be another reason of this problem. Attempt to get into to original location or name. If the problem persists, format the hard drive and reinstall operating system. It causes data loss and require Mac Recovery Software .

Flashing question mark: It indicates system damages. Verify if the hard drive is intact and working properly. Generally the problem occurs due to hard drive data structure corruption.

The ultimate result of all these issues is serious data loss, which require Mac Data Recovery through third party applications. The software are known as Mac File Recovery tools.

They carry out extensive scan of the damaged hard drive and retrieve all of the lost data from it. The applications are completely safe and easy to use.

Stellar Phoenix Macintosh Data Recovery is the most advanced and comprehensive tool for absolute recovery. It supports recovery from all HFS, HFS+, HFSX, HFS Wrapper and FAT file system volumes. It is compatible with Mac OS X 10.6, 10.5, 10.4 and 10.3.9.