Let us see some common error messages which restrict our Windows operating system based computer from successful booting:

• Error: Non-System Disk or Disk Error/ Missing Operating System: We encounter this error message when none of the system files which are needed to load the operating system are found though there is active partition present in the system. This issue also occurs when a non-system partition is marked as active by FDISK or the entry of the system partition is removed from the partition table.
• Error: NTLDR is missing / Disk Read Error: problem again is caused when the system files needed for the loading of operating system are missing. In such situation, the MBR successfully finds the boot sector and active partition in the partition table but due to the unavailability of system files, we encounter this issue.
• Error: Operating System not found: error message is encountered when MBR does not find any active partition or MBR does not find boot sector on active partition. In such situation MBR fails to pass the control and thus the booting process halts.

Though there are measures provided by Microsoft to rectify these error messages but at times these recommended measures too fail to do needful. In such situation formatting of the operating system remains the only way to work around the issue. Since, formatting deletes entire data saved on the primary partition and hence to recover the formatted data you can either use updated backup or data recovery. These data recovery tools recover lost, deleted, formatted, or inaccessible data from Windows OS based computers.

One of the awards winning and highly recommended software for this category is Stellar Phoenix Windows Data Recovery . The software recovers lost/deleted/formatted data from Windows based hard disk drives and other storage media. The software is compatible with Windows 7, Vista, Server2003, XP, 2000, and NT4 (SP6).

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But, before anything else, we must first understand the reasons which lead to digital photo loss:

• Accidental deletion of photos
• Pulling out the memory card while the digital camera is on
• Intentional or unintentional formatting of storage device like memory card or hard disk of computer
• Damage or corruption in the file system of storage device
• Rapid clicking of photos which prevents completion of write process
• Switching off the digital camera soon after clicking a photograph also interrupts the photo write process and thus, leads to photo loss
• Ignoring the warnings like low battery and memory card full may also corrupt the memory card and thus create the situation of photo loss
• Erroneous or interrupted read/write process

All the above mentioned situations lead to the situation of photo loss. To prevent the loss, it is always recommended to maintain the backup. It is advised to save all your precious photos and videos at multiple locations. However, despite of various precautions measures observed by a user to prevent his/her photos from getting lost there happens some time when user loses his/her precious photos. But, situations of photo loss too can easily be handled through efficient third-party photo recovery software.

Efficient photo recovery software has simple user interface and easy photo recovery steps. All you need to do is to attach the memory card or other affected storage media to your computer, scan the media with the photo recovery software, see the preview of the recoverable photos, and in the end save the recovered photos at your desired location. But, in case you are facing the issue due to memory card corruption then you need to format the card to bring it back to the working condition and then use the above mentioned mechanism to recover the photos.

One of the highly recommended photo recovery software is Stellar Phoenix Photo Recovery. This powerful photo recovery software recovers photos in 3-simple steps, has very intuitive user interface, and is available for Mac and Windows users separately.

But, as this simplicity attracts more users, at the same time Windows based systems suffer from data loss problems the most. However, you need not be worried working on it, as there are many efficient Windows recovery software available to retrieve all your lost, deleted or inaccessible data back.

While working on your PC, accidental deletion, formatting of the hard drive partition is not that uncommon. Everyday, many Windows users lose their valuable data to such problems and think that they can never be able to recover the deleted data again. But, gone are the days, when once you deleted a file could never be retrieved. Now there are many data recovery utilities available, using which you can recover all your deleted or even formatted data back.

In case of deletion, Windows OS has only removed the entries of the deleted files from the system hard drive. Hence, the files still present in the memory and they will remain in the hard drive memory, until some other files overwrite them.

Thus, if the removed or deleted entries of files can be read, those files can be easily restored in their source locations. Windows data recovery software are designed with highly advanced algorithms, which able to find out the lost entries of files and successfully recover them back.

These utilities are also able to recover data from various other data loss instances, such as file system corruption, Windows OS malfunction, virus/malware infection etc. In spite of being powerful, these Windows recovery utilities are completely read-only in their recovery operations and recover lost/inaccessible data, without even modifying their original structure. Moreover, these recovery utilities are designed with simple as well as interactive graphical user interfaces and can be used by any category of Windows users, from experts to the non-technical ones.

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When you try installing some critical updates on your Windows Vista based computer, the process stops unexpectedly and leaves the following error message on your screen:

“Boot critical file C:\ntoskrnl.exe is corrupt”

This would render your system unbootable and put you in a jeopardous situation of data loss.

Cause

This problem is faced when the ‘Ntoskrnl.exe’ file becomes corrupt due to incomplete updates.

This would make all your hard drive data inaccessible. At this stage, you may use an updated backup to restore all the lost or inaccessible data. However, if the backup is missing, you should follow the below mentioned resolution steps.

Resolution

To resolve the above issue, follow the given procedure:

• Boot your computer using the Windows Vista installation disc and start the Windows Recovery environment.
• At the command prompt, execute the given command:

‘sfc /scannow‘

This would start the System File Checker that repairs Vista system files.

If the problem still persists, you should format your hard drive and perform a clean installation of Windows Vista. Formating would erase all your precious data stored on the drive. In such circumstances, you should take help of professional hard drive data recovery software.

These third-party tools safely recover every piece of inaccessible information from corrupt Windows-based drives and other storage media. They can perform a precise recovery from all internal/external hard disks, USB drives, memory cards, etc. These software can support about 185 different file types.

Stellar Phoenix Windows Data Recovery is a competent tool that efficiently recovers lost, deleted, or inaccessible data from FAT or NTFS based drives and volumes. The phenomenal utility also supports recovery of DBX and PST files. Moreover, it is compatible with Windows 7, Vista, Server 2003, XP, 2000, and NT4 (SP6).

Valuable files get lost due to various reasons. These reasons include, format or corruption of a hard drive, fatal virus attack, unexpected system shutdown, or software failure. These all are the reasons by which files get lost or become inaccessible. Most of the times, it happens when we delete a file accidentally, we have an option to recover deleted file from the recycle bin. But, at times we fail to recover it if we do double click on recycle bin because file does not present there. Generally, when file once get deleted it goes to the recycle bin folder, but as said earlier many times file found to be absent in the recycle bin folder.

Above stated problem of deletion occurs, when a combination of Shift+Delete key has been used to delete a file. After the use of such combination, file becomes permanently inaccessible. So, situations similar to this can be handled easily with the help of a third party tool. A third party tool is a best fix to recover deleted files again. Before going to do a selection of a third party tool, it is advised to make use of an inbuilt methods.

One of the best recommended tools is a Stellar Phoenix File Recovery. The file recovery results produced by such software are highly productive. The tool is able to recover data from a wide variety of file systems. The software is so powerful that it able to recover files even from a corrupt or formatted hard drive. Developed with simple graphical user interface, the tool is easy to understand. Moreover, a well described help file comes along with the software that helps to perform recovery of lost/deleted files easily.

Let me explain you my case in detail.

For the past few days I was very much perturbed with the sluggish performance of my Windows XP based laptop. Scanned all the drives and even entire system for three times with the latest anti-virus but the problem persisted. However, the situation became jittery when my laptop denied restarting after running virus scan for the fourth time. Worried, restarted it for many times but with no luck. However, without losing hope inserted Windows XP installation disk to repair system from Recovery Console but didn’t find any solution. That situation left me nothing but to format the hard disk of my laptop and reinstall Windows XP OS.

Although I was having the backup of almost all of the data on external hard disk but there were some really very crucial doc files present on the My Document which were not backed up. Losing those files would be a big loss as they were containing my latest work which I had not submitted to my boss. However, at that time the immediate importance was formatting the hard disk. Thus, I formatted my laptop and then put the issue of losing files due to formatting in front of IT Support of my office. A member from IT Support team came and took my laptop with him and after few hours called me to their room.

I was shocked to see all the formatted files on the interface of some file recovery software. This was something very strange which I could believe as I was not at all aware of the fact that recovery of formatted files or data is possible. However, then I pointed out few of the formatted files of which I didn’t backed up and in few minutes the software recovered all the required ones. Thus, after successfully recovering all my files I asked that person from IT Support about that file recovery software.

He told me that he used Stellar Phoenix File Recovery software to recover all the formatted files. Further, he told me that Stellar Phoenix File Recovery software is one of the finest file recovery tools which uses high-end scanning algorithms for recovery of lost, formatted, or deleted files. The software has different versions for Mac and Windows users and supports recovery of 185 file types including emails, photos, videos, text documents, etc. Thus, to protect my data from future mishaps, I downloaded this efficient tool.

However, there are measures available online to fix the problems related to partition corruption. But, sometimes these solution measures too fail to rectify the issue and thus the problem itself compels the user to reformat the partition. Though, reformatting deletes all the data from the hard drive partition but the data can easily be recovered form updated backup. In the absence of backup, third-party partition recovery software can do the needful.

Let us discuss this issue through practical example. Consider, when you try to start your Microsoft Windows XP based computer (which has NTFS partition), encountered the following error message:

“Windows could not start because of an error in the software. Please report this problem as: load needed DLLs for kernel. Please contact your support person to report this problem.”

After encountering this error message, you may become unable to boot your system. However, to solve this issue, you must understand the causes behind occurrence of this error message.

Cause:

This issue occurs when the Hal.dll and Ntoskrnl.exe files are mismatched.

Resolution:

To solve this problem start your computer with Windows XP installation CD then follow the below mentioned steps:

• Go to setup page and repair the Windows installation by selecting ‘R’.
• Now at the recovery console, run CHKDSK, to fix the errors on your disk.
• Try to run BOOTCFG/rebuilt, to rebuild the boot configuration. Provide all the information which are asked and press Enter.
• Then try to run FIXBOOT , to fix the current boot sector.
• In the end try to run FIXMBR to fix the issues related to Master Boot Record of your system.
• Now, go out of the recovery console by selecting Exit and restart your computer.

Most of the times the above recommended resolution steps can solve the issue and fix the error. But, there are times when these solutions fail to workaround the situation at that time you are left with single choice that is to format your Windows XP based hard drive and restore the data from updated backup. However, in the absence of an updated backup, one is left with a choice that is to use third-party partition recovery software to recover precious data. These software can recover your data lost due to formatting or deletion of partitions.

One such software is Stellar Phoenix Partition Recovery Software. This efficient partition recovery software for Windows operating system based computers recover lost, deleted, or inaccessible partitions. The software has intuitive user-interface which does not require knowledge of data recovery or prior training of the software. This efficient software supports the data recovery from FAT and NTFS file systems and is compatible with Windows 7, Vista, XP, 2003, and 2000.

In my search, I found that there are a number of third-party Mac photo recovery tools available. Some of these software have very simple user-interface which does not any technical knowledge or prior training of the software. Further, in my search I found that some of the software not only support recovery from Mac machine but also support recovery from almost all kinds of Mac supported storage media such as external hard drive, memory card, USB drives, iPods, etc. Thus, after short listing three of Mac photo recovery software among a list of many, I downloaded free demo versions of them and started comparing. In my comparison, I found that two of them support only some major cameras and memory card brands but not all of them as well as they do not support almost all photo, video, as well as other multimedia file formats.

In this way, after doing a thorough comparative analysis, I found that Stellar Phoenix Mac Photo Recovery is one of the best photo recovery software for Mac. The software not only supports almost all camera brands but also supports a good number of memory card types including SD card, MMC card, XD card, Micro SD card, Mini SD card, etc. The user interface of the software has read-only nature and is very easy to understand even by a person with zero technical knowledge. With the guarantee of recovering almost all kinds of photos the efficient software also supports recovery of various other multimedia files including audio files, video files, music files, etc. Thus, I am very much thankful to the developers and 24X5 customer support of this software for saving my life by providing the full recovery of my accidentally deleted photos!

Let us discuss the major reasons which are responsible for loss of pictures/videos saved on Mac:

• Corruption in the partition table leads to inaccessibility of our valuable data/photos/videos stored on Mac.
• The Mac becomes inaccessible due to file system corruption and thus, we end up losing our valuable photos/videos.
• Damaged or corrupt catalog tree also crates inaccessibility to our valuable files/folders which contain our valuable photos/videos.
• At times due to various human errors like accidental deletion or unwanted formatting of Mac based storage media (internal/external hard drive, iPod, memory card, etc) we end up losing our pictures.

However, the ‘Disk utility’ (an inbuilt utility) of Mac can rectify some of the above mentioned issues but if the problem is severe and disk utility fails to workaround the situation then commercial Mac photo recovery software works as a boon. These software can recover lost or deleted photos and videos without altering their original content. But, it is advised to do a proper research before using any third-party photo recovery software; as some of the freeware available under this category are malware or spyware which can damage our Mac despite of recovering photos.

It is recommended to go for the one which has pretty good experience in the field of data recovery, has simple yet effective GUI, and last but not the least provides glimpse of deleted or lost photos/videos before their actual recovery. One such software is Stellar Phoenix Mac Photo Recovery software. This is one of the most efficient photo recovery software for Mac which has simple user-interface and easy recovery steps which make it very easily usable even by non professional users. In addition the software supports recovery from almost all Mac based storage media like internal/external hard drive, USB drive, iPod, pen drive, digital camera, etc. The powerful recovery software not only recovers lost or deleted pictures from Mac based storage devices but also recovers videos, audios, and various other multimedia files saved on them.

Some of the common reasons of data loss are -

• Intentional or unintentional deletion of data

• Formatting of the storage media

• Physical or logical damage to the storage media(these are the two categories of data loss)

No matter what be the cause, data loss is always terrible. You cannot do away with your invaluable data and data recovery in such a case becomes very important. Often the data are recovered from storage media, such as hard drives, CDs and DVDs. Unfortunately if you lose data, you try various methods to recover it. Many of these processes can be learned from the Internet.

Some methods that you may try recovering the data are-

1. Look in the Recycle Bin. If your file is there, right click on it and select ‘Restore’ to get the file back to the previous location.
2. You may use the ‘System Restore’ option depending up on the date when you lost the data.
3. You may also use the ‘Emergency Boot Disk’ to recover the data once the Windows

starts.

In cases where there has been logical damage to the hard disk, such as, file system corruption, a good portion of the original data can be recovered using specialized data recovery tools. This type of recovery can be performed by end-users as it requires no special training.

Microsoft Diagnostics and Recovery Toolset can verify and repair any possible OS level corruption or damage. It also lets you fix a corrupt, unbootable Windows XP or Windows Vista installation. However, serious cases still require expert’s consultation and precisely designed data recovery software. These software are specifically designed to help your recovery purpose. They recover up to 100% of the lost data. The good thing is that they are very user friendly and economical. Available everywhere, they are efficient enough to recover data and files of any format.

Stellar Phoenix Data Recovery software is one such software that efficiently recovers lost and formatted logical drives and partitions. Supporting NTFS, FAT and exFAT, this recovery software is compatible with Windows 7, Vista, Server 2003, XP, 2000 and NT4(SP6).