4.2.3. Bug in the Software
The bug in the software is the source of many PC troubles. Much
popular software do not work properly in the situation of
insufficient memory, full disk or some other situation that the
developer did not consider. The solution of software bug is not in
the user’s hand. He can just inform the manufacturers and the
coworkers in his company.
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4.2.4. Virus
Viruses are special programs. They have following characteristics:
These are very small programs
They hide themselves
Make disturbance to computer users
They can make new copies and distribute these copies to other computer. Virus can be removed by running anti-virus software. Different popular antivirus software are TOOLKIT, Norton Anti Virus, McAffee Anti Virus etc.
4.3. Check External Symptoms
A faulty device may show some symptoms. By checking any abnormal behavior you can detect the source of trouble. One important thing in troubleshooting is detecting the faulty component. External symptoms can help here. Example symptoms are:
The floppy disk light is continuously on
The hard sounds too much
The monitor image becomes bent
Some peripheral device hums.
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