What You Need To Know About External Hard Drives & Data Recovery

External hard drives, also called portable hard drives,be able to draw enough power from the USB or
are a popular choice for data storage amongFirewire connection alone.
consumers for both business and personal use.Recovering Data From Your External Hard Drive
External drives offer the convenience of allowing forData loss on external hard drives is fairly rare as long
expanded storage capacity for your data, the ability toas you care for your drive properly, but it still can
back up your internal drives and the ability to easilyoccur. There are several reasons that might cause
move files from one computer to another. They areyour external drive to lose data, such as:
particularly convenient for laptop or notebook users. 
They are usually relatively light weight and compact,- Physical damage
while still able to store a significant amount of data.- Deleted partition or logical drives
An external hard drive is a hard drive that connects to- Files written to bad sectors
your computer from an outside port. There are a- Virus attacks
number of popular interfaces for external drives,- Accidentally deleted files
including:- Corrupt backup or application data
 - Accidental reformatting
- Firewire (a popular interface for Mac users)- Power surges
- Universal Serial Bus or USB. USBs are able to 
connect a large number of devices, including MP3s andAlways keep in mind that the more important your
PDAs as well as external hard drives.data is, the more likely that you should take the failed
- eSATA is the newest interface for external harddrive to a professional data recovery lab to retrieve
drives. eSATA external drives follow the samethe files. But if any of these happen to you, there are
protocol as internal drives, which allows for bettersome steps you can take to recover data from your
performance from your external drive.external hard drive.
- Ethernet connections. These are less common, they 
act like file serves to store your data.1. Boot your computer as you normally would, with the
 external drive attached to your computer.
External drives are relatively inexpensive, allowing you2. Download or run a data recovery program and
to take your data with you anywhere you go andinstall it on your main computer drive. Make sure that
access it on almost any computer, due to theiryou don't install any programs on your external drive,
portability and ease of use. These hard drives come inas this may write over some of your lost data.
a wide range of different models, all with different3. Run the data recovery program. You will likely get
speeds and data storage capabilities.options to recover deleted files, find your lost hard
In selecting the right model for you, you need to knowdrive if it is not responding and recover data lost due
the amount of data you need to store, as that willto formatting.
determine the storage size of the drive that you4. Select the drive containing the lost data and scan
require. Keep in mind that your data storage needs willfor the files. Save all recovered data on your internal
almost certainly increase over time, and be sure thathard drive.
you buy one that will cover not just your short term5. Send your external drive to a professional computer
but also your long term needs.technician or company to have it repaired. It isn't likely
You'll also need to consider the cache size of thethat you will be able to repair it yourself, particularly if
drive. The cache size controls how quickly you canthere is significant physical damage to the drive.
store data on the drive. The larger the cache, the 
faster you can copy files to your drive. The higher theThe best protection against data loss is to regularly
cache size, the more expensive your drive will be, soback up your system and protect your external hard
let your individual needs and situation determine yourdrive(s) from extreme heat, moisture and physical
purchase.damage. Be sure to protect your drives against power
One of the benefits of using an external hard drive forsurges or other electrical problems. Taking good care
data storage is that it you can add to size of yourof your equipment could save you the time, money
backup drive as your storage needs increase. Youand hassle of having to recover lost files. If you have
can add more storage as the amount of your datathe unfortunate experience of losing the data stored
increases. As the size of the drive increases, youron your external hard drive data recovery firms are
device will likely need its own power source as it won'tjust a click or call away to help you retrieve it.