TROUBLESHOOTING BASICS
Tools and Test Equipment
The following is a list of the essential hand tools you Should have
in your repair kit:
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Medium-sized flathead screwdriver
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Medium-sized Phillips screwdriver
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Nut driver (1/4 inch)
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Small flathead screwdriver (1/8 inch across)
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Needlenose pliers
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Penlight
Some additional repair tools that are handy, but not required:
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Cross-lock tweezers
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Torx screwdriver
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Chip puller
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Inspection mirror
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Pickup tool with claws
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Pressurized gas
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Foam swab
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Screen cleaner
In addition to the previously listed tools, You Should also have the following
test equipment in your tool kit:
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Wrap plugs (loop-back connectors)
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Volt/ohm meter
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Logic probes and logic Pulsars
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Outlet testers
The wrap plugs call be used to test serial and parallel ports. Logic probes
and logic pulsars call be used to test digital circuits. Outlet testers
call be Used to test electrical outlets.
Safety Considerations.
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1.Discharge any static electricity you may have in your body by touching
the metal part of the computer case while it is plugged in to the wall
Outlet. This will prevent possible damage to delicate electrical circuits
on the motherboard, expansion cards and memory chips.
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2. Unplug the power cord. You should Unplug the cord from the computer.
By unplugging the cord from the computer's power socket, instead of from
the wall socket, you are more likely to keep someone from accidentally
restoring power to the computer while you are working on it.