No matter how well build your PC is and how well written its software,
something is eventually going to go wrong and you might not always have support
available to resolve the problem. Diagnostic software can be very important to
you anytime your computer malfunctions or you are in the process of upgrading a
system component or building an entire system from scratch.
There are several types of diagnostic software. Some diagnostic
functions are integrated into the PC hardware or peripheral devices such as
expansion cards, where others take the form of operating system utilities or
separate software products which are used to assist user to identify many
problems that can occur with the defective computer components or
malfunctioning of PC components. Some diagnostic software’s are
1. P.O.S.T(Power On Self Test)
POST
operates whenever any PC is powered ON these routing are contained within the
motherboard, ROM as well on ROM’s on expansion cards.
2. Manufacturer supplied diagnostic software
Many of the
large manufacturers especially high end manufacturers such as IBM, DELL, HP etc
make special diagnostic software designed for their systems that specifically
consist of suit of test that examines the system.
3. Peripheral diagnostic software
Many
hardware devices ship with special diagnostic software designed to test their
particular functions e.g. ROM’s, BIOS, Network adapter, sound cards etc
4. Operating system diagnostic software
OS
diagnostic software includes a variety of software utility to identify and
monitor the performance of various components in the computer.
5. After market diagnostic software.
A number of manufacturers make general purpose
diagnostic software for PC’s, which is often bundled with other software/system
maintenance and other utilities to form a repair kit. Example HIREN
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