Easy Guide to RAID Recovery by Alexandria Haber
What is RAID RECOVERY? RAID stands for Redundant Array of Inexpensive Disks. It is a method of combining several hard drives into one unit. This method offers fault tolerance (the ability of a system to continue to perform functions even when one or more hard disk drives have failed) and higher... RAID 1- Disk Mirroring (provides data protection by duplicating all data from a primary drive on a secondary drive). ... RAID 5 - Data striping with distributed parity (a form of data protection that recreates the data of failed drive in a disk array).

Hard Disk Detection Problem With BIOS by Ravi Chamria
During POST (Power On Self Test), the BIOS try to get information about all the devises Connected to the system. After checking the processor and RAM it checks for devise such you’re hard disk, CD-ROM, etc., and display them on screen with messages such As ‘detecting IDE drives…’ and Found... Next, make sure your drive controllers on your motherboard are not disabled. ... Also ensure that all drive types are set to AUTO under the Standard CMOS Setting. ... When all else fails, so has your hard disk send it to a technician for servicing.

Building Computers: A Short History Lesson by Michael Quarles
In only a few years, the task of building your own computer has gone through remarkable changes, almost entirely for the good. It’s less complicated, and far less prone to the devilish sort of problems presented by certain steps in the process. One of the most notable improvements has to do with... First, you booted up from a MS-DOS floppy, and installed its files on your hard drive. ... You had to have either an IDE or SCSI I/O card as controller for the hard drive, floppy, and printer port. ... This was a multi-step task.

Linear Actuators and Linear Motion by Gordon Petten
Mechanical energy is an area of science that is making strides every day. The study of how actuators produce mechanical motion by converting various forms of energy into mechanical energy is a source of great exploration. Science finds new ways to make use of actuators every day including for... The way in which a linear actuator works is that there is a motor that rotates a drive screw using a synchronous timing belt drive. ... Some linear actuators can also use a worm gear drive or direct drive.

Simple Steps to Buying a Laptop by Sezer Bozkurt
It’s easy to be confused by all the different options when purchasing a laptop computer. There are literally hundreds of models to choose from for all different prices. The key to finding the right laptop for you is determining firstly what your needs are going to be, then determining how much... The second factor to consider would be the size of the hard drive on the laptop. ... A standard laptop hard drive size would be around 100gb. ... If you need to store large files such as videos then you would have to consider getting something with an upgraded hard drive.

Media Storage Devices – Choosing a Storage Device by Lucy Bartlett
Media storage devices are capable of preserving data, images, audio and video files of large sizes in a comparatively small area. The evolution of the media storage devices right from the 64 KB floppy disk with its huge size (5 ¾ inches) to the present day pen drives having a capacity 80GB has... The pen drive can be connected very easily to the Universal Serial Bus Port (USB port) of the personal computer and once connected; it becomes another external drive of the system. ... It is also known as a USB Drive.

Hard Disk Recorders – are They Superseding DVD Recorders? by John Gibb
While some are convinced that DVD recorders are the future, there are also lots of people who think that they’ve already fallen by the wayside, to be replaced with hard disk recorders. This term refers to set-top boxes like Tivo and Sky+ that simply plug into your DVD and allow you to record... It’s instant to delete a file off a hard drive, but annoying to erase DVDs. ... The best option is to get a hard drive recorder that is also capable of recording DVDs, for the times when you want to keep something forever.

How Do I Speed Up My Computer by Michael Baker
Speeding up a computer can be done in two different methods: software or hardware. When I say hardware, this would be a physical component, such as your hard drive or your memory. Software refers to some program, which is installed onto your computer. ... The hard drive turns at revolutions per minute (rpm), and depending on how fast the hard drive turns, will determine how fast your program gets started and remains running. ... If you can afford it, you can always upgrade to a 7200 rpm hard drive.

Backup -- But Where To? by Lynn Chan
We all know we have to backup regularly, but those backups files can get huge. Add that to your existing your files and your notebook computer hard drive seems to have shrunk overnight. No matter what size hard drive you have on your notebook computer, space is a premium. ... Backup to an external hard drive . ... You can also achieve a similar effect equipping an older computer with a large hard drive and use it just for storage or backup. ... The other problem with this method is, backup utilities that come with your operating system cannot backup to a CD or DVD drive.

Backing Up Personal Computers by Meryl K. Evans
Backup on business computers is typically not the user's concern unless it's a small business. A business should have a policy in place for managing backups especially due to Sarbanes - Oxyley. Four options for backing up: External hard drive CD-RW (CD rewriteable) drive Tape Network... When buying a USB drive, make sure you have USB 2.0 not 1.1 as most the drives require 2.0. ... As soon as an application was reloaded, I copied all of its data files from the external hard drive back on the computer.