The Eight Commandments

1. Stop using the drive. Any mechanical faults can be worsened by using a failing hard disk drive.

2. Do not remove any covers or parts. Removing the top cover of a drive will introduce dust, particles, fingerprints and other contamination if not removed in a controlled clean environment. Some drives are also very difficult to realign once the cover has been removed.
3. DO NOT UNDER ANY CIRCUMSTANCES PUT YOUR DRIVE IN A FREEZER! This dangerous myth has been doing the rounds for so long that it is almost common knowledge but unfortunately only a small number of drives respond well to such treatment. The risk of allowing moisture by way of condensation into the drive far outweighs the likelihood of it actually allowing you to get your data back. We have a high success rate and have never had the need to put a drive in a freezer. Recovery from a water / condensation damaged HD is likely to cost you a lot more than a regular recovery.
4. If you are going down the DIY software route, keep a very close eye on the process. Make sure you recover the data to a second (external if possible) hard disk. If the process stops at any point, or if it incurs hundreds of errors then it is best to stop the recovery and get the data recovered professionally. Also if the software reports that it will take more than a few hours for a drive under 1TB then don’t let it continue. There is likely some damage on the drive which will only get worse if the drive keeps being used.
5. Never attempt to repair a failing hard disk drive. Any writing to an unstable drive will not only fail to fix the problem but it could make the eventual recovery extremely difficult or even impossible. If you cannot afford professional data recovery then we suggest trying to backup the data first and then attempt to fix the drive without any fear of losing the important data.
6. RAID ONLY: Do not attempt to rebuild or reinitialise a problematic RAID array without first backing up the data. If the data cannot  be accessed then a data recovery professional is far more likely to be able to get the data before a destructive rebuild process. It is also important to note the locations and IDs of all drives and label them accordingly if the entire server or RAID enclosure cannot be sent for recovery.
7. Don’t run Windows Check Disk without first backing up your data. If you see the blue message for the first time that says something like:
Checking file system on C:
The type of file system is NTFS
One of your disks needs to be checked for consistency. You may cancel the disk check, but it is strongly recommended that you continue.
To skip disk checking, press any key within  7  second(s).
 Press any key to cancel the scan, you should then backup your data as soon as possible onto another drive, USB pen, DVD, CD or even Floppy Disk. Then you can safely reboot and run the check. BEWARE: The drive can be warning you that it is on it’s last legs. It could be just a one-off problem or the drive could be destined for the dustbin (after a secure erase of course).
8. Be very wary of any potential data recovery company. You will be trusting them with your precious data after all. Ask lots of questions and get some quotes up front. You should expect to pay between £250 – £750 for a single hard drive data recovery. This depends on factors such as drive capacity, failure type and turnaround time.

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