Occasionally one or more sectors on an otherwise good hard drive will go bad.
When this happens, the data in those sectors may be lost, but the data on the rest of the disk will be unaffected and the disk is still completely usable.
Those bad sectors can not be repaired, but they can be marked as unusable. Once marked as unusable, the Operating System will know not to attempt to store data in those bad sectors. The total disk capacity will be decreased by the amount of storage space in...
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A hard disk partition is a defined storage space on a hard drive.
Most operating systems allow users to divide a hard disk into multiple partitions, in effect making one physical hard disk into several smaller logical hard disks. Reasons to Use Hard Disk Partitions
A user may decide to split a hard disk into multiple partitions in order to organize his data more effectively. On Microsoft Windows machines, it is common to store the OS and applications on one hard disk partition and user...
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Formatting a hard drive often becomes necessary when it is infected by Trojans or viruses that are difficult to remove or when there are bad sectors on your drive.
A hard drive should be divided into small partitions to utilize the space effectively. You will need to format your hard drive when you feel the need to reorganize the space available.
Remember, formatting the hard drive or any of its partitions will completely erase all data that is present. This article gives you the steps...
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An ISO file is an image that contains all the data files and file system metadata (i.e. boot code, structures, and attributes) of a CD/DVD. To mount an ISO image, you need a disk image emulator that will allow the content of a CD/DVD to be read from an ISO image via a virtual drive. Depending on the Operating System you are using, you can open built-in disk image emulators or download and install free software from the Internet. How to Mount an ISO Image under Microsoft Windows
For Windows...
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Hard drive data recovery is the process of recovering lost data from a hard drive when the data cannot be readily accessed through normal retrieval methods. Whether your hard drive has locked up or has completely crashed there is a good chance the data can be recovered by using a variety of hard drive data recovering techniques. Reasons for Hard Drive Crashes
There could be multiple causes for hard drive failures. One of the main causes for a full blown hard drive crash is generally...
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It is possible to repair a broken hard disk, but there are a few things which have to be done beforehand.
Turn off and completely unplug the computer. Everything needs to be shut-down and unplugged so there is no possibility of electrocution or further damage to the hard disk.
Clean all dust and debris from the computer's case. Making sure everything is clean will take away any chance of contaminating the hard disk whilst repairing it. Also remove the back of the case and clean...
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Defragmenting a hard drive rearranges the files so that each file is stored in a contiguous collection of disk sectors. This makes reading and writing files much faster.
Over time, Microsoft Windows will slowly fragment your files, storing parts of each file in seemingly random physical locations on the hard drive. As this happens, your files will take longer and longer to access. The solution is to defrag your hard drive.
Luckily, starting the process of defragmenting the drive is not a...
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A key concept in data storage is that it is linear, logical and systematic in nature. When you 'save' data to the hard disk, the disk will follow a logical system.
A hard disk can be compared to a large, square piece of graphing paper composed of squares a thousand long and a thousand wide. Each individual square can accommodate one kilobyte of data and thus a 'strip' having a thousand squares can store one megabyte of data. In such a case, the disk head will 'fill'...
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Blu-Ray is an optical storage format developed by Sony and Phillips. Blu-Ray was created to store large amounts of high definition video and sound. Blu-Ray gets its name from the type of laser it uses to read and write data from and to the disc, the color of the laser is a hue of blue-violet. Due to the extreme density of these optical discs the data needs to be smaller to fit onto the disc, a blue-violet laser has a shorter wavelength than the normal red lasers used today.
Blu-Ray...
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Hard drives, like all mechanical devices, eventually break down.
Common hard drive problems include: User errors Software errors Hard drive electronics failures Hard drive arm failures Hard drive platter failures User Errors
User errors include accidentally deleting or overwriting files and accidentally formatting a or deleting a partition.
User errors can sometimes be resolved through the use of off-the-shelf data recovery software. Software Errors
Software errors usually...
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