Troubleshooting; Problems When Starting - Mitsubishi Electric Apricot LS series Owner's Handbook Manual

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If you suspect a blown fuse

TROUBLESHOOTING

This chapter offers advice if you suspect a fault with your computer.

It is concerned mainly with problems caused by the computer itself;

problems more often arise from other sources such as your

operating system or application software.

It must also be remembered that it can be very easy to leave off or

dislodge cables inside the computer when fitting expansion cards, or

upgrading the motherboard, or indeed anything that requires

temporary removal of the system cover.

IF YOU ARE APPREHENSIVE

Make a note of any of the symptoms, error codes, displayed messages

and so on, then turn off the computer and unplug all power cords

before consulting your supplier or maintenance provider.

In the United Kingdom, and some other countries, AC plugs

contain fuses. If the fuse in the system's unit AC plug blows when

you turn on the computer, this may be caused by an AC power

surge, but is more often a symptom of problems with the computer

or its peripherals. Follow these steps:

Turn off the computer and unplug all power cords.

Unplug all peripherals.

Try to discover the cause of the fault. If none is apparent,

replace the blown fuse with one of the same rating, reconnect

the system unit power cord and try to turn it on again.

If the replacement fuse blows, call your supplier or

maintenance provider.

If the replacement fuse does not blow, reconnect a peripheral and

turn it on. Repeat this step for each peripheral in turn.

LS HANDBOOK

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