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Any unfamiliar noises coming from your machine should be a cause for concern. Unfortunately, people often do not pay heed to these comparatively less significant signals given by their system, and end up paying a heavy price for it. One such situation is being discussed in detail below, along with some points on how the crisis may be tackled.
Scratching Noises
The data inside our standard desktop or laptop is stored inside the internal hard drive, which is a digital mass storage device usually kept inside the computer case that also houses the CPU, motherboard and memory cards. It contains the Operating System (OS) as well as all the data and programmes that we are using. This makes the hard disk the most important part of the machine. Any damage done to it would damage the data too.
A scratching sound is produced when the hard disk crashes and the read or write head sticks to the now unbalanced platters, scratching their mirror finish surfaces on which the data is written. The hard disk is itself a very delicate object. Any scratch, dust, moisture, heat or shock may cause fatal damage to the data on the hard drive. These scratches are therefore lifting chunks of data physically off the computer, and this may not be recoverable.
What Should be Done?
In the typical case, the monitor will display the ?blue screen of death?, i.e. it will just be blank and the mouse or keyboard will receive no response.
- Immediately switch off the machine by pulling the plug. Do not attempt to put in a shut down command or use DOS prompt.
Why Do Hard Disks Crash
Many of us think that the hard disk is an infallible gadget and physical damage is impossible to it, unless we throw the computer out of the window of a high rise. This is a wrong notion since hard disk failure is the most common cause of data loss world wide, and even the best companies do not give a warranty beyond five years.
There are many reasons as to why a hard disk crashes. But broadly speaking, these may all be divided into two groups ? physical and logical ? indicating hardware and software related issues respectively. It is easier to recover data after a logical loss. A physical loss, depending on the circumstance, may even be fatal for the data. Let's take a look at Physical and Logical Data Loss:
- Physical Data Loss ? This can happen if the hard disk is exposed to heat, humidity, moisture, dust, shock, electric discharge, power failure, or malfunctioning of related hardware. This last instance includes situations where the read or write head have stopped working.
If you notice something amiss with your system, do not take it lightly, a stitch in time may save nine.
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