There is no real substitution for proper backups to be made of your important data however, Hard Drives eventually fail and sometimes resurrecting data from a dead or erased hard drive is possible. Performing regular internal and offsite backups will help avoid jumping through many loops in the event of data loss. The following tips may help you recover part or all of your valuable information in the case of a hard drive failure.
Examine the Hard Drive's Physical Condition with Properly Assembled Tools
The first thing to do is make sure you have the tools assembled required to connect this drive to another computer safely. Ideally, you'll have some kind of SATA/IDE to USB cable or USB drive enclosure or sled that you can mount the drive into and connect it to your computer easily. if you have a desktop and like getting your hands dirty you can try to install the drive as an internal one, but an external connection is faster and easier.
Examine the physical drive itself for damaged in any way. Check for pins bent or broken and make sure that the drive is in good condition to actually use before you try anything that may damage it even further. If the drive is too physically damaged to attempt recovery, you may need more drastic measures. If everything looks fine and you have the equipment required to connect the drive to your system, than you can proceed.
Install Data Recovery Software and Connect the Drive
Make sure your antivirus and anti-malware tools are up to date. You may not know what you'll find on the drive, and you won't want it to start causing issues once the drive is connected to an active system. Once the task is completed, download and install some data recovery tools. You may want to consider burning a bootable CD or USB key with a bootable Linux Distribution (often referred to as Linux Distros) for drive recovery like BackTrack, Bart PE, or SpinRite. This allows you to boot to an OS that's not your primary drive, avoid writing or touching the drive you want to recover from, and run a host of recovery and forensics tools against that drive that are highly effective and completely free. A number of these tools can even recover from formatted drives, especially if the data hasn't been overwritten.
Remember, the less you work with the drive you want to recover data from, the better. As you read from the drive, you run the risk of exacerbating any damage it may have. The more you write to the drive, the more likely you are to overwrite something you want to recover. Bootable Linux Distros most of which contain tools like TestDisk pre-installed (among other, more advanced tools) are the best way to go if you're familiar with the method and if you're interested in recovering entire partitions, or making a non-bootable drive bootable again. If you're just looking for files and you know the drive was in a Windows system or a Mac, a stand-alone app is an easier way to go.
Recover Data from a Physically Damaged Hard Drive
If the contents of the drive are valuable and physically damaged, has been wiped, and overwritten, or nothing else has worked to get data off than it might be time to call a data recovery professional. These services generally run in the tens of thousands of dollars and more!
Kayol Hope has a deserve background and working knowledge specializing in the areas of IT Consulting, Programming, and Web Development. His blog and online community of social networking was established to house and showcase some of the best information technology & programming tutorials and articles around. His published tutorials not only produce great results and interfaces, but explain the techniques behind them in a friendly, approachable manner.
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