We live in a new technological age, and many of us purchase a computer and use it for everything, in fact it becomes a very important tool in our daily lives. We use it for on-line banking, job resumes, email, music downloads, just about everything. So what happens when the hard drive crashes and we lose everything we have installed on the hard drive? Think that it could never happen to you? You may be surprised to learn it happens all the time. That is when a service called Hard Drive Data Recovery is needed.

First of all most of us do not have any idea on how to fix drive recovery problems. We may know the basic recovery attempt using the Fdisk recovery utility. There are some reports that putting the drive in a plastic bag, and placing it in the freezer may help. When that does not work however, we are left scratching our heads. Fortunately there are Hard Data Recovery experts, but what most people do not realize is that service can be very expensive. For example one service offers a "look" at the hard drive for $99 with the caveat that a more detailed internal examination will cost almost $500. The question then becomes if the information or data that has been "lost" is worth the cost to recover.

If you have a home based business and there are important business files, or if you have irreplaceable family photos stored on the hard drive, then the answer is simple. For the average person however, if they kept the system software and some minimal backups a new hard drive installed will be okay, it will only cost the time to reload all the settings back to where you like them again, plus software updates and other types of personalization.

So how can you prevent this from ever happening? The first thing is to keep your computer updated with the latest virus protection and software updates. Then the "frequent" backup of the programs is an essential component in hard drive data recovery. I find that using an external hard drive is very helpful, they can purchased with various sizes available and they are very easily connected, for example by USB cable and really make backing up a snap. Sometimes people make copies on DVD's or CD's, but you may be limited by size of files structure if you have many photo's or music files, that may not be practical. Some people use another drive, called a dual drive for backup storage of their most import hard drive data. This is usually very safe, as in most cases it is the drive with the operating system that is most likely to fail, but as with any computer accessories it is subject to mechanical failure at anytime as well, it is just not as likely.

So the most important thing for data recovery is to maintain copies of your most valued information and programs. You should considerate it as data insurance. As they say, you can pay now or pay later. If you have ever had to rebuild your hard drive, you know what I mean when I say it is well worth it to protect your computer and all your data. To the computer it is just code, but it could be precious memories to us.

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High school and college students often work on different computers daily to complete assignments. And high school teachers and college professors are demanding more and more professional presentations from their pupils. Many students use USB flash drives to store their work and teachers are increasingly accepting assignments submitted on USB flash drives. Why are USB flash drives (also called USB memory sticks and USB thumb drives) becoming popular for academic purposes?

For Students:

First, students can create personalized USB drives that copy their desktop applications and preferences from their personal computer. When they plug in their personalized flash drive, they can run programs using their settings, utilities, browser, etc. This is obviously a handy feature for students who may work on their own computer, in the computer lab, on a coffeehouse computer, and on their parents' computer all in one week. Plus, many smaller, more portable computers do not come with a DVD device, but all computers have USB ports.

Second, though DVDs are less expensive, USB flash drives offer more features that are student-friendly. USB flash drives are much harder to damage. Their case protects them from damage with normal usage, unlike DVDs that require special handling to keep from accidentally rendering data stored on them unreadable. You can drop USB memory sticks without damaging the data stored. Leaving them on the hot dash of your car may warp the case, but usually does not damage the memory. Some USB pens have even survived being washed and dried in Consumer Reports' independent lab testing. Students can carry their personalized USB drives in their pockets, backpacks, or purses with little risk.

Third, USB flash drives are rewritable many more times and can hold much more data than DVDs. Since a student is usually modifying data daily, this rewrite-ability can be a benefit that overrides the cost difference. Another potential cost-override difference is the sheer memory available now on USB flash drives. Today, you can purchase 32GB USB flash drives for less than two-hundred dollars. A 32GB USB flash drive has more memory than some computers and 64GB USB flash drives are also now available.

For Teachers and Professors:

Teachers and professors like USB flash drives for many of the same reasons students do: durability, reliability, and memory size. They also like the versatility USB flash drives offer.

Assignments are increasingly becoming multimedia presentations. When students submit these assignments on a personalized flash drive, they can include supporting PowerPoint presentations, spreadsheets, databases, Flash Media, narration, web links, research, and more along with their main assignment. This allows the teacher to assess their pupils on much more than their paper-writing abilities, which in turn, gives the students more accurate feedback.

Teachers and professors are also benefiting from the portability of personalized USB drive assignments. In class, they can transfer each student's work onto their own USB memory stick, then return the students' memory sticks immediately. Even if the teacher or professor takes all of the USB flash drives home, they can carry all of their students' assignments in their briefcase or attaché. Compare this to carrying home reams of paper each time a major assignment is due. Not only is it easier on the back, but it is obviously easier on the environment as well.

Students and teachers alike are becoming fans of customized USB flash drives They offer unparalleled portability, storage capacity, and reliability. As their price continues to drop, USB flash drives are sure to find their way onto more campuses and into more classrooms.

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Hard Drive Failure?

Generally a clicking sound coming from your hard drive is a Bad Omen. It could be a harbinger of horrific hardware happenings, so my immediate advice is "BACKUP YOUR HARD DRIVE!" as soon as possible. If the drive fails, you're out of luck. In fact, even if you don't suspect a problem with your hard drive, it's wise to make regular backups so you can survive a hard drive failure with only minimal inconvenience.

See my article Backing Up Your Files to learn about backup strategies, hardware and software. And if you're curious about which hard drives noises you should be concerned about, listen to these clicking sounds [http://www.hitachigst.com/hddt/knowtree.nsf/0/4b1a62a50f405d0d86256756006e340c?] made by dying hard drives.

Scan Your Drive

On Windows XP, you can check your hard drive for errors by running the CHKDSK utility. Restart your computer and hold down the Ctrl key while it's booting up. When you see the option to start your system in Safe Mode, select it and continue. Click the Start button, then click Run, then type CHKDSK C: /F /R then press Enter. The /R option tells CHKDSK to scan for bad disk sectors, and the /F option means to fix any errors found. (On a Windows 98 system, use the SCANDISK command instead of CHKDSK.)

If CHKDSK offers to "convert lost chains to files", recover lost data, or fix something else, you should accept. (If CHKDSK tries to sell you a cheap Rolex, politely decline the offer.) After CHKDSK finishes, restart your computer normally and see if the dreaded click of doom returns. If so, the drive is most likely damaged, and should be replaced as soon as possible. If you decide to purchase a new computer, see Copying Old Hard Drive to New PC for help with transferring your files.

Are You On The Level?

But before you trash your troublesome drive, you should try one more thing... Some hard drives are very sensitive to non-level surfaces, and will not function properly if they're sitting on a slant. Shut down your computer, make sure your system unit is on a flat surface (use a level to make sure), and then restart. I was all set to give up on an older computer that was doing the click/whir routine, but I noticed it wasn't sitting on a level surface. As soon as I fixed that, the problem was gone!

That clicking sound MAY signal impending hard drive failure, but keep in mind you don't always get such a warning. So play it safe... back up your files on a regular basis.

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Today I wanted to share with you a question sent in from a reader who asks; "I just bought a 160GB hard drive to replace my old 80GB drive. Installation went fine however, XP only recognizes 149.01GB what's the deal??

Well this question gets asked quite often and it brings with it a lot of arguments and confusion.

So what's the deal?

Well your hard drive is advertised as having a 160GB capacity, but your computer shows only 149.01.

This discrepancy is the result of having two methods of measuring capacity. Computers are binary, or "base two," mathematical systems, and in a binary world a kilobyte is 1024 bytes (2 to the 10th power). When computers were new, the designers referred to this as a "kilo." The public, however, understood kilo to mean thousand, (decimal) and thought that 1000 bytes should equal a kilobyte.

So, two different measurements of hard drive space were born. In 1998, (IEC) weighed in, defining 1 "gigabyte" as 1 billion bytes. Hard disk manufacturers agree, marketing their products using the rounder decimal value instead of the binary system. So, your drive is labeled as decimal "giga" and your PC reads binary IEC's term, "gibi". (We wont get into those foolish names today.)

So essentially you are not being ripped off. The number of bytes on the hard drive is the same weather you use decimal or binary. Lets use a scenario often used to help better understand this conversion. This is similar to the difference between 0 degrees Celsius and 32 degrees Fahrenheit. It is the same temperature, but will be reported differently depending on the scale you are using. I hope I have cleared up any confusion you may have had regarding the "missing" space on your hard drive.

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