20854132 PC Repair Technician
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Transcript of 20854132 PC Repair Technician
PC Repair TechnicianPC Repair Technician
By Ben DennisBy Ben Dennis
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 22
ObjectivesObjectives How a PC Tech deals with customers How a PC Tech deals with customers Tools needed by the PC techTools needed by the PC tech How PC a Tech works inside a computer How PC a Tech works inside a computer
casecase How The PC Tech approaches and solves How The PC Tech approaches and solves
a problem or problemsa problem or problems
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 33
IntroductionIntroduction Repair Skills:Repair Skills:
Using common-sense guidelines to isolate Using common-sense guidelines to isolate and solve problemsand solve problems
Working inside the computer caseWorking inside the computer caseDetermining if a problem occurs before or Determining if a problem occurs before or
after a boot after a boot Troubleshooting and solving failed boot Troubleshooting and solving failed boot
problemsproblemsTroubleshooting Intermittent problemsTroubleshooting Intermittent problems
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 44
Customer InteractionCustomer Interaction
Set and agree on repair costs and fees before Set and agree on repair costs and fees before doing any repair work.doing any repair work.
Ask detailed questions about the computer, the Ask detailed questions about the computer, the problems it has and what happened when it problems it has and what happened when it stopped workingstopped working
Ask if manuals, CDs, DVDs and other computer Ask if manuals, CDs, DVDs and other computer information can be obtained for the repairs from information can be obtained for the repairs from the customerthe customer
Give the customer an estimate, that must be Give the customer an estimate, that must be agreed on, before repairs begin agreed on, before repairs begin
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 55
PC Support Technician ToolsPC Support Technician Tools Help Repair a computerHelp Repair a computer
Help diagnose and repair computer problemsHelp diagnose and repair computer problems Criteria for choosing tools:Criteria for choosing tools:
Level of PC support expected to provideLevel of PC support expected to provide Amount of money that can be spendAmount of money that can be spend
Some essential tools:Some essential tools: Ground bracelet, ground mat, antistatic bagsGround bracelet, ground mat, antistatic bags Assortment of hand tools and test equipmentAssortment of hand tools and test equipment Recovery CD, DVD, or USB Drive for target OS and Recovery CD, DVD, or USB Drive for target OS and
other required softwareother required software Store tools in toolbox for PC troubleshootingStore tools in toolbox for PC troubleshooting
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 66
PC technician tools
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 77
Recovery CDs Recovery CDs
Used to boot a systemUsed to boot a system Also used to repair and reinstall WindowsAlso used to repair and reinstall Windows Primary recovery CD sourcesPrimary recovery CD sources PC manufacturer (preferred)PC manufacturer (preferred) Operating system distributor, such as MicrosoftOperating system distributor, such as Microsoft Some hard drives have a hidden recovery partitionsSome hard drives have a hidden recovery partitions A hidden partition can be used to reinstallA hidden partition can be used to reinstall WindowsWindows A utility for creating recovery CDs may be providedA utility for creating recovery CDs may be provided Access hidden utilities by pressing a Fn key at startupAccess hidden utilities by pressing a Fn key at startup
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 88
The Repair Tech must Deal with DustThe Repair Tech must Deal with Dust
Dust accumulates in layers over componentsDust accumulates in layers over components Two major problems due to dust blanketsTwo major problems due to dust blankets
PC components directly overheatPC components directly overheat Cooling fans jam, also resulting in overheatingCooling fans jam, also resulting in overheating
Maintenance task: remove the layer of dustMaintenance task: remove the layer of dust Two tools used to remove dust:Two tools used to remove dust:
Antistatic vacuum Antistatic vacuum Compressed air Compressed air
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 99
How Repair Techs work inside ComputersHow Repair Techs work inside Computers
Objective: dismantle a computer, put it back togetherObjective: dismantle a computer, put it back together Some safety precautions techs follow:Some safety precautions techs follow:
Make notes that help backtrackMake notes that help backtrack Keep screws and other hardware orderlyKeep screws and other hardware orderly Do not stack boards on top of each otherDo not stack boards on top of each other Do not touch the chips on circuit boardsDo not touch the chips on circuit boards Do not use a graphite pencil to change DIP settingsDo not use a graphite pencil to change DIP settings Turn off the power, unplug and ground the computerTurn off the power, unplug and ground the computer Do not remove covers of monitors or power suppliesDo not remove covers of monitors or power supplies Keep components away from hair and clothingKeep components away from hair and clothing
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 1010
How Repair Techs deal with Static ElectricityHow Repair Techs deal with Static Electricity
Build-up of charge due to absence of conductorsBuild-up of charge due to absence of conductors Electrostatic discharge (ESD)Electrostatic discharge (ESD)
Due to dissimilar electrical surfaces making contact Due to dissimilar electrical surfaces making contact Only 10 volts of ESD can damage PC componentsOnly 10 volts of ESD can damage PC components Walking across carpet generates up to 12,000 voltsWalking across carpet generates up to 12,000 volts
Two types of damage: catastrophic and upset failureTwo types of damage: catastrophic and upset failure Tools and methods for grounding Tools and methods for grounding
Ground bracelet, ground mats, static shielding bags, Ground bracelet, ground mats, static shielding bags, antistatic glovesantistatic gloves
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 1111
A ground bracelet, which protects computer components from ESD, can clip to the side of the computer case and eliminate ESD
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 1212
How Repair Techs Troubleshoot a PC ProblemHow Repair Techs Troubleshoot a PC Problem
They make no assumptions and check simple things firstThey make no assumptions and check simple things first They don’t overlook the obvious and they isolate the They don’t overlook the obvious and they isolate the
problem; eliminating the unnecessary itemsproblem; eliminating the unnecessary items They approach problems systematically and make They approach problems systematically and make
backups before making any changesbackups before making any changes They use troubleshooting tools, equipment and They use troubleshooting tools, equipment and
procedures (both hardware and software)procedures (both hardware and software) They use Post diagnostic cards, Diagnostic software, They use Post diagnostic cards, Diagnostic software,
and General-Purpose Utility Software (Antivirus security and General-Purpose Utility Software (Antivirus security testing, recovery, tune-up and benchmarking software)testing, recovery, tune-up and benchmarking software)
They use outside help when necessary (computer They use outside help when necessary (computer OEMs, other techs, and the internet)OEMs, other techs, and the internet)
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 1313
Steps Techs use to Solving a PC Steps Techs use to Solving a PC ProblemProblem
Four-step problem solving process:Four-step problem solving process: Step 1: Interview the CustomerStep 1: Interview the Customer Step 2: Back up dataStep 2: Back up data Step 3: Solve the problemStep 3: Solve the problem Step 4: Verify the fix and document the Step 4: Verify the fix and document the
solutionsolution
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 1414
Investigating the Computer ProblemInvestigating the Computer Problem What OS is installed?What OS is installed? What physical components are installed, CPU, memory What physical components are installed, CPU, memory
type, drives, expansion cards, peripherals, and networkstype, drives, expansion cards, peripherals, and networks What is the nature of the problem-occurred before or What is the nature of the problem-occurred before or
after boot? Failed to Boot? Any error Messages?after boot? Failed to Boot? Any error Messages? Does the computer hang?Does the computer hang? Can the problem be duplicated?Can the problem be duplicated?
ISOLATING THE PROBLEM:ISOLATING THE PROBLEM: Eliminate simple things firstEliminate simple things first Eliminate the unnecessaryEliminate the unnecessary Trade good for suspected badTrade good for suspected bad Trade suspected bad for goodTrade suspected bad for good
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 1515
Preparing a Computer for ShippingPreparing a Computer for Shipping
Adverse factors to consider: Adverse factors to consider: Rough handlingRough handling Exposure to water, heat, and coldExposure to water, heat, and cold Misplacement or theft of computerMisplacement or theft of computer
Some shipping guidelines to follow:Some shipping guidelines to follow: Backup the hard drive onto a backup mediumBackup the hard drive onto a backup medium Remove inserted disks, tape cartridges, or CDs Remove inserted disks, tape cartridges, or CDs Coil and secure all external cords Coil and secure all external cords Separately wrap hardware components Separately wrap hardware components Purchase insurance on the shipment Purchase insurance on the shipment
Dennis Engineering
A+ Guide to Hardware, 4eA+ Guide to Hardware, 4e 1616
ReferencesReferences
Tools from Tecratools.com Tools from Tecratools.com Visuals from TechRepublic.comVisuals from TechRepublic.com
Dennis Engineering