The most popular Unix-based operating system is Mac OS X, it supports several data structures that are used in UNIX OS and one among them is Kernel. It is the core component of Mac OS X operating system and is stored on the hard drive at a protected area. All the system services, such as process management, file management, memory management, and Input and Output management is done by the kernel. Though, in some instances the Kernel may become unresponsive and your system will not boot up. This leads to severe data loss and you require the help of a third party recovery tool such as Mac recovery software.
Some reasons of this problem include:
- Unexpected system shutdown
- Operating system cannot read the directory table structure and thus makes the data inaccessible.
- Volume may become unreadable or get damaged.
- Incomplete directory check.
- File system may be damaged.
In order to resolve the problem,
- Try to boot your system using Mac OS X installation disk and try repairing the startup disk.
- If required, Reinstall Mac OS X and restore data from the most recent data backup
- Let the system complete disk directory structure checking.
Format your Mac hard disk drive and reinstall operating system. After formatting, restore data and files from the most recent backup as all the files are removed due to hard drive formatting. Use third-party Mac recovery software to recover your valuable data from the hard drive and undelete pictures from SD Card. Connect the SD card to the Mac machine and then access the card as a logical drive scan for the lost or deleted files then recover the lost pictures from it.
These applications let you perform data recovery from SD card in almost all photo loss situations. They are completely safe with read-only software tool and will not cause further data loss.