• When Your Hard Disk Fails
  • Data Recovery Tips
  • Do data Go for Ever :(
  • First Aid for your Computer
  • Recover MS Outlook Express Corrupted E-mails
  • Woh! I recovered my lost Data
  • Is Your PC Data/business Important for You ?
  • 50% of businesses that lose their data go out of business

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    Aug 26, 2005
    Is Your PC Data/business Important for You ?

    Is Your PC Data/business Important for You ?

        Industry analysts Says that 50% of businesses that lose their data go out of business almost immediately. And of the other 50%, nine out of ten fail within two years. IT is not just businesses who are at risk from Data loss. Clients requiring data recovery come from all walks of life, including governments, large corporate, smaller businesses, and the self employed to “Joe Public” who, with the introduction and subsequent boom in the use of PC’s and digital cameras etc to record special occasions, holiday videos and photos etc may have lost anything from sentimental data to critical e-mails, and personal account details. Students are often grouped under this heading too.

    What is Data Retrieval ?
           Data Retrieval is the process of accessing the inaccessible or corrupt data from digital media that has become damaged or has been corrupted in some way and is also called a Data Recovery.
     
    It's Need ?
         Data Recovery is needed because of various reasons which could include issues as diverse as
    • Hardware failure.
    • The tape has been ‘chewed’ up.
    • The failure of hard-drive, Memory Cards, Tapes, Mobile Phones, Personal Digital Assistants, Floppy Disk’s, CD’s, DVD’s, Data Cartridges, Xbox’s and many more items.
    • It could have suffered fire or flood damage.
    • Logical failure.
    • There can be corruptions in firmware.
    • Semi-conductor failure.
    • Accidental failure/deletion.
    • A storage device could have been dropped.
    • A hard disk drive may have been ‘accidentally’ formatted.
         All of these instances will require the services of a professional data recovery company if the data was of such value (be it sentimental or financial) that the cost of the services are less than the perceived value of the data which is no longer accessible.
     
    Its Solution
         There are numerous ways that Data can be recovered from digital media which can vary greatly, the simplest method can involve the running of basic software on the storage medium in question. This is always a dangerous idea, because the recovery data could overwrite the very data that is being recovered. More complex commercial software tools are available which will do this job more professionally. No software fix should be attempted prior to the original media being imaged, enabling the recovering company to work on a ‘back-up’ of the original software. The most professional companies will also take a second image should there be a problem with the first image that is being worked on for recovery.
        The data recovery job is generally finished when a list of all the recovered files is sent to the client. Once the client approves this file listing, they are then shipped the data on an appropriate media. This can be a hard disk drive, floppy disk, CD or DVD. Alternatively, if a file is considered critical, it can be encrypted and then emailed to the client.
     
    The best advice we can offer the client is this:
    As soon as you have lost data you should power off your device and send it to a professional Data Recovery Company to optimise your chances of a successful recovery.
     
    Data Recovery Software & Services
    Stellar Information System Ltd.
    www.stellarinfo.com, www.stellar-info.it, www.stellar-info.de
    links@stellarinfo.com
     
    DIV>

    Posted at 03:23 am by stellarinfo
    Comment (1)  

    Aug 8, 2005
    When your Hard Disk Fails

    Someday the internal hard disk of your PC or Macintosh will fail-- it's not a question of "if" but of "when." The consequences of a disk failure are unpredictable. In some instances, you'll be able to restart your drive relatively easily and suffer little or no data loss. In more severe cases, you'll have to spend much time and effort reconstructing the contents of your hard disk. And in the most severe cases, both your drive and the data on it will be irrecoverable. Keeping your system fully backed up at all times is, of course, the best defense against potential data loss and the attendant anxiety.

    The information here is intended to help you diagnose the cause of a disk failure and offer some suggestions for recovering your disk and its contents. Some familiarity with your computer and its operating system is assumed. If the procedures described here fail to recover your disk, we recommend that you consult a service technician at an authorized computer repair service.

    Viruses and disk failure

    A computer virus can cause symptoms similar to those that signal a disk failure. For example, on a PC you may see an error message, and a Macintosh may "hang" after it starts to boot. If you don't have antiviral software installed on your system and have used floppy disks that could have carried a virus from an infected computer, check your system for viruses. Use the software to look for and eradicate any viruses that may be present.

     PC Compatible systems

    Assuming your system is virus free, you'll know your hard disk has failed if you see one of several possible error messages on your screen. Some of the most common ones are

    • "Disk Error Reading Drive C"
    • "Boot Failure Drive C"
    • "Invalid Command Interpreter"
    • "Non System Disk or Disk Error"

    A disk failure can be hardware- or software-based. A preliminary diagnostic procedure that requires no special equipment or software will immediately suggest which it is. Boot from a DOS system diskette, either your original or a backup copy. Be sure to use the identical version of DOS (with the same version number and from the same manufacturer) that is currently installed on your system. Try to change to the C (hard) drive. If you don't see a C: prompt, you probably have a hardware failure. If you do see the C: prompt, it's a software problem.

    If you suspect a hardware problem, the first step is to take your PC to a computer repair service for further checking. If testing confirms that the drive is damaged, you have the choice of replacing the drive (and losing all the data on it) or sending the drive to a data recovery service. Service technicians there will dismantle the drive in a "clean room," put its platters into an identical drive, and try to restore the data to a new hard drive.

    If you can see the C: prompt, the system files may need to be replaced. Damaged system files are a common cause of disk failure. Start by copying all the data files for which you don't have backup copies to floppy disks. This is a precaution in case your hard disk cannot be revived. Don't bother copying application files--you'll need to reinstall them from originals if you recover your drive.

    While copying files, you may get one or both of the following error messages:

    • "abort, retry, fail"--this indicates that you can't continue copying the current file (or one of several files if you are using XCOPY) because it is damaged. Press "a" to abort, return to C:, and copy the next file.
    • "abort, retry, ignore, fail"--this indicates that the file currently listed on screen is damaged. Press "i" for ignore and go to the next file.

    Note the names of the files you couldn't copy, so you can later try to recover them or copy them from old backups.

    Next, replace the DOS system files on your hard drive. At the A: prompt, type sys C:. You'll see the message "system transferred" when the system files have been transferred from the floppy disk to the hard disk. Also copy the command.com file to the hard drive. Then try to reboot your machine without the floppy DOS disk in drive A. If it works, you should still have your system checked out at a repair service.

    Once you've had your system checked out, you can start to restore files from any backups you have and/or recover any damaged files you weren't able to copy to floppies earlier. There are several commercial file recovery utilities on the market for this purpose.

    If your system didn't reboot without the floppy DOS diskette, you may need to reformat the hard drive. Subsequent recovery attempts will then be more time-consuming. Before taking this step, the CRC recommends you have a service technician evaluate your system.

     

    Staying out of trouble

    Follow these steps to minimize the effects of a disk failure and protect your system:

    • Always back up all your files, including fonts, desk accessories, config.sys, autoexec.bat, and other customizable files.
    • Don't ignore warning signs. If you have unexplained system or application crashes on a Macintosh, check first for a virus, and then have your system checked out at an authorized dealer. Likewise on the PC side, if your system seems slower or you get frequent "abort, retry, fail" messages, first check for a virus and then have your system checked out.

    Data recovery Software & Services

    Stellar Information Systems Ltd

    Ph: 91-124-5045819

    http://www.stellarinfo.com


    Posted at 11:49 pm by stellarinfo
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