How to solve the No Mountable File Systems error on your Mac?

No Mountable File Systems error can bother any one using Mac any time you are trying to open or mount DMG file you can encounter this error. This error will not let you install any software as the .dmg file will not load. DMG file stands for (Disk mounted graphics) files these are like the real disks we can compare it to any of the CD, DVD or the hard drive. If you have to access any information from the DMG files you need to firstly mount them.

Till now you won't face any problem you will mount the DMG file and access the data but the problem area comes now. Mac OS X is capable of creating an image of the data and keeping a back up for the data. But when you will try to access the data from the image created, like the disk on the system the dmg file swill mount and there after you will be able to access the data but some time the dmg files refuse to mount and that's the time you face the error No Mountable File System.

This problem occurs due to the corruption of the file system, ROBOT may fix the problem. If the problem fixes its really fine but if it doesn't then you can mount the files from the command line –hdiuti, this command is used to manage disks. You need to run this command on the command line as root.

$ sudo hdituil attach file name.dmg

Even then if the data on the Mac hard drive is not accessible it might happen that the data is damaged in such a case a mac utility software can hp you by this you can even manage partition of the Mac volume as well as the mac recovery software will help you recover data from the corrupt Mac volume.

For more understanding on the file systems particularly HFS (Hierarchical File System) file consult experts Wikipedia on Hierarchical File System system

How to Recover Mac Data Lost Due to Kernel Bugs in Mac OS X

Mac OS X is a Unix-based operating system, which supports a number of data structures that are used in Unix operating system and Kernel is one among them. Kernel is the core component of Mac OS X operating system that is stored at protected area of hard drive. Kernel offers a number of advanced system services, such as file management, process management, memory management, and Input/Output management. However, in some situations the Kernel may become unresponsive and your system does not boot up. This behavior leads to data loss and put you in need of Mac data recovery solutions.

It is essential for a Mac OS X system to have a valid and intact Kernel to work properly. When Kernel fails to load, your system shows weired symptoms. To illustrate this problem with Mac OS X 10.5 Snow Leopard operating system, you may encounter gray screen with Apple logo. The system freezes at boot up and boot process does not complete. You may also see a spinning wheel at the same time, which is also called beach ball of death.

Root of the problem

There are various reasons of this problem, which may include the following ones-
You encounter unexpected system shutdown that has made directory structure unstable. In such situations, Mac OS X operating system can not read the directory structure and thus data becomes inaccessible.
You startup Mac OS X volume is either unreadable or damaged.
Directory check can not be completed.
PRAM/NVRAM are affected by boot-args issues.
File system or Mac OS X Kernel are damaged.

Resolution
Try below Mac recovery solutions to work around this issue-
Boot your system using Mac OS X instillation disk and attest to repair the startup disk. Reinstall Mac OS X operating system and restore data from backup, if required.
Reset PRAM/NVRAM.

Wait until your system completes disk directory structure checking.
Format your hard drive and reinstall operating system. After formatting the disk, restore data from the most recent backup as formatting removes all the files and directories from hard drive.

When all else fails, use third-party Mac file recovery software to recover your valuable data from the hard drive.

The commercial applications let you perform data recovery Mac in most of the data loss situations. They are totally safe with read-only and non-destrutive conduct.

Stellar Phoenix Macintosh data Recovery is the most advanced and powerful utility to effectively handle all data loss situations

Courtesy: http://www.techieask.com/

What are The Causes For Poor Battery Life in Mac Book Pro? How To Fix It?

Most of the users of MacBook Pro are facing the problem of the poor battery life. As we all know the battery life falls far short from what the manufacturers claim. But, the users have reported that the battery life is half than indicated. Certain tests have been performed under normal usage conditions but then too the battery life was for 3- 4 hours only.


Potential causes &fixes for poor battery life:


Constant engagement of the discrete NVIDIA GeForce GT 330M graphics card can be the cause. As the graphics card is used even if you run a less intense graphics application. MacBook Pro is loaded with the feature to automatically switch between the Intel and NVIDIA graphics, from which Intel is lower power and NVIDIA is the higher power graphics. But, MacBook Pro doesn't has the option to keep it off all the times, you have to keep the NIVIDIA card on all the time. This is considered as the biggest reason for low battery life in MacBook Pro.

• If in case you want to know which card currently your MacBook is using.
• Go t o Apple menu >> open System Profiler >> Graphics/Displays.
• At the bottom you will find NVIDIA GeForce GT 330M.
• If it indicates yes, that means the NVIDIA card is on else vice versa.

If the NIVIDIA card is on and you want to turn it off the only option you are left with is to quit the application you are running currently. Few of the non graphic application which turn the NIVIDIA card on are Skype, HyperSpaces, NetNewsWire, Tweetie and 1Password

Check the Login/startup items It may also cause the higher-power graphics card to turn on

To check Login Items:

• Go To Apple menu >> System Preferences >> Accounts
• Chose the current account from the left pane.
• Now click on to the Login Items tab which is there in the right pane
• Now need to deselect all the items except the application installed by Apple.
• It won't allow to make changes right away, click lock box in lower left to enable changes.
• Save the changes made, restart the system
• Calibration: New MacBook batteries should be calibrated before the batteries are charged fully.

Re-installing you Mac: Tests have proven the fact that the use of external hard drive on another Mac or cloned hard drive on the MacBook pro can also be the reason improper power management and battery outage. In such a case Re-installing you Mac can help.

These untimely battery outages can be really harmful for the data on your Mac, the data can get corrupt and inaccessible if in case you face any data loss Mac data recovery software can help