Saturday 19 May 2012

Data Recovery - Computers

Another example could be you are at your daughters wedding with your camcorder. Capturing the special day first hand ready to burn to DVDs and send off to all the distant relatives, when the battery dies! So you haven't managed to get the whole ceremony and the bit that you did record has not been written correctly, become corrupt and will not play!Just so you really get the picture, I'll give a third example; Your toddler walks off with your USB memory stick and then comes back looking very pleased with himself as he has placed it straight into the toilet - Disappointed doesn't do it justice - I know what this feels like...All three of these examples leave you pretty gutted and data recovery becomes your next course of action!When data is corrupt or damaged in some way, it could be that you can listen to half of a song, see half of a picture, hear a film but have no picture or just a plain error message saying, "cannot open file" or something similar.Tech enthusiasts can Google how to recover data from damaged data storage and find lots of info from forums and how-to websites on how to do it. Data Recovery is not easy and if you do try and do it yourself, you may need to become familiar with the phrase "hexadecimal editor" as this allows you to interrogate the file one byte at a time and by comparing the bytes from a "good file", you could copy and paste them into the "bad" file therefore making it correct - This is a minefield!Because data recovery is so specialised, average people do not really attempt it themselves, but instead they opt to use a data recovery service (there are loads online) which can be expensive - depends how valuable the lost data is to the individual really.There is also data recovery software available - again this can be expensive - but there are some free tools that you can download online that you can try, they may work?Data recovery service is a very common line of work nowadays as the use of electronic data stor age media increases. Nearly every electronic gadget has some sort of memory that gets written to and therefore could become damaged or corrupt.As data storage use increases, you can imagine that the data recovery service business niche would boom. Services are currently offered on nearly every data storage type you can imagine; examples of this are;Hard drives, RAID, laptop, tape, flash drive, DVD, CD, Zip or Jazz drives.It seems that you can't back stuff up enough! You could have your Home PC backed up to your laptop which in turn is backed up to the best external hard drive you could find. They are all plugged in at home, one power cut could in theory corrupt all three copies! This is unlikely, but still a possibility.You should be able to find a data recovery service that will examine your damaged data and determine whether or not it is recoverable - Diagnose. This part should be free.The next part should be to evaluate the best method for recovering the data, whether it is a straight forward mirror of the original data, whether they can use data recovery software to extract it or whether they have to go a bit deeper and look into editing the hexadecimal code.





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