![]() ![]() Like hardware tools, there are a variety of software tools that can be used to help technicians pinpoint and troubleshoot problems. ![]() Backups can also be recorded to a drive in an external enclosure to prevent data corruption during a computer repair. The customer hard drive is placed into the external enclosure for inspection, diagnosis, and repair using a known-working computer. A digital multimeter displays the information on an LCD or LED.Īlthough an external hard drive enclosure is not a diagnostic tool, it is often used when diagnosing and repairing computers. It tests the integrity of circuits and the quality of electricity in computer components. A digital multimeter, as shown in Figure 2-3, is a device that can take many types of measurements.Parts organizer: Used to hold screws, jumpers, fasteners, and other small parts and prevents them from getting mixed togetherĭiagnostic tools are used to test and diagnose equipment.Cable ties: Used to bundle cables neatly inside and outside of a computer.Compressed air: Used to blow away dust and debris from different computer parts without touching the components.Soft cloth: Used to clean different computer components without scratching or leaving debris.Using the appropriate cleaning tools helps ensure that computer components are not damaged during cleaning. Having the appropriate cleaning tools is essential when maintaining and repairing computers. Some cable connectors must be connected to cables using a punch down tool. Punch-down tool: Used to terminate wire into termination blocks.Crimper: Used to attach connectors to wires.Wire stripper: A wire stripper is used to remove the insulation from wire so that it can be twisted to other wires or crimped to connectors to make a cable.Flashlight: Used to light up areas that you cannot see well.Part retriever: Used to retrieve parts from locations that are too small for your hand to fit.Tweezers: Used to manipulate small parts.Wire cutters: Used to strip and cut wires.Needle-nose pliers: Used to hold small parts.Hex driver: Used to tighten or loosen nuts in the same way that a screwdriver tightens or loosens screws (sometimes called a nut driver).Torx screwdriver: Used to tighten or loosen screws that have a star-like depression on the top, a feature that is mainly found on laptops.Phillips-head screwdriver: Used to tighten or loosen cross-headed screws.Flat-head screwdriver: Used to tighten or loosen slotted screws.Some common hand tools and their uses are: Toolkits range widely in size, quality, and price. They are available individually or as part of a computer repair toolkit. Most tools used in the computer assembly process are small hand tools. The antistatic mat protects computer equipment by preventing static electricity from accumulating on the hardware or on the technician. The antistatic wrist strap protects computer equipment when grounded to a computer chassis. There are two ESD tools: the antistatic wrist strap and the antistatic mat.
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