1. Hardware conflict :-
The number one reason why Windows crashes is hardware
conflict. Each hardware device communicates to other devices through an
interrupt request channel (IRQ). These are supposed to be unique for each
device. For example a printer usually connects internally on IRQ 7. The
keyboard usually uses IRQ 1 and the floppy disk drive IRQ 6. Each device will
try to hog a single IRQ for itself.
2. Bad Ram :-
Ram (random-access
memory) problems might bring on the blue screen of death with a message saying
Fatal Exception Error. A fatal error indicates a serious hardware problem.
Sometimes it may mean a part is damaged and will need replacing. But a fatal
error caused by Ram might be caused by a mismatch of chips. For example, mixing
70-nanosecond (70ns) Ram with 60ns Ram will usually force the computer to run
the entire Ram at the slower speed. This will often crash the machine if the
Ram is overworked.
3. BIOS settings :-
Every motherboard is supplied with a range of chipset
settings that are decided in the factory. A common way to access these settings
is to press the F2 or delete button during the first few seconds of a boot-up.
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Once
inside the BIOS, great care should be taken. It is a good idea to write down on
a piece of paper all the settings that appear on the screen. That way, if you
change something and the computer becomes more unstable, you will know what
settings to revert to.
4 .Hard disk drives :-
After a few weeks, the
information on a hard disk drive starts to become piecemeal or fragmented. It
is a good idea to defragment the hard disk every week or so, to prevent the
disk from causing a screen freeze.
5. Fatal OE exceptions and VXD errors :-
Fatal
OE exception errors and VXD errors are often caused by video card problems.
These can often be resolved easily by reducing the resolution of the video
display.
6. Viruses :-
Often the first sign of a virus infection is
instability. Some viruses erase the boot sector of a hard drive, making it
impossible to start. This is why it is a good idea to create a Windows start-up
disk.
7. Printers :-
The action of sending a document to print creates a
bigger file, often called a postscript file. Printers have only a small amount
of memory, called a buffer. This can be easily overloaded. Printing a document
also uses a considerable amount of CPU power. This will also slow down the
computer's performance. 124
8.
Software :-
A common
cause of computer crash is faulty or badly-installed software. Often the
problem can be cured by uninstalling the software and then reinstalling it. Use
Norton Uninstall or Uninstall Shield to remove an application from your system
properly. This will also remove references to the programme in the System
Registry and leaves the way clear for a completely fresh copy.
9.
Overheating :-
Central processing units (CPUs) are usually equipped with fans
to keep them cool. If the fan fails or if the CPU gets old it may start to
overheat and generate a particular kind of error called a kernel error. This is
a common problem in chips that have been overclocked to operate at higher
speeds than they are supposed to. One remedy is to get a bigger better fan and
install it on top of the CPU. Specialist cooling fans/heatsinks are available
from www.computernerd.com or www.coolit.com
10. Power supply problems :-
With
all the new construction going on around the country the steady supply of
electricity has become disrupted. A power surge or spike can crash a computer
as easily as a power cut.
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