computer hardware servicing-nc2 reviewer

ComputerHardwareServicing NC2Reviewer

http://danreb.com Page 1

Thisprovidesexamples,hintandbasicoutlineoftheexaminationofTESDAinComputerHardwareand

ServicingNCII

1. LISTOFTOOLSANDMATERIALS/INVENTORY(Written)

Followingareexamples

2. OCCUPATIONALHEALTHANDSAFETYPROCEDURE(Written)

Always groundordischargeyourselfbeforetouchinganypartofthecomputer

Donotworkalonesothattheressomeonewhocantakecareofyouincaseofaccidentor

emergency.



Becarefulwiththetoolsthatmaycauseshortcircuit

Alwaysfullthecableconnectoronthehandleandnotonthecableitself

Useonlyrubbershoeswhenstandingonthegroundorinaconcretefloor

Makesurethatthepinsareproperlyalignedwhenconnectingacableconnector.

Alwayspoweroffandunplugthecomputerbeforeworkingon it.

Takeawayanyliquidsuchasmineralwaterorsoftdrinksnearyourworkingareaornear

computers.

Contingencymeasuresduringworkplaceaccidents,fireandotheremergenciesare

recognized.

PersonalprotectiveequipmentiscorrectlyusedinaccordancewithorganizationOHS

proceduresandpractice.

Hazard/risksintheworkplaceandtheircorrespondingindicatorsareidentifiedtominimize

oreliminaterisktocoworkers,workplaceandenvironment.

Takenecessaryprecautionsto protect thecomponentof thecomputerfromdamagedcause

by ElectrostaticDischarge(ESD).

HoldthecomponentsbyedgesanddonottouchtheICs.

Readandfollowinstructiononthemanualcarefully.

Donotuseexcessiveforceifthingsdontquiteslipintoplace.

3. ASEEMBLESYSTEMUNIT(Actual)

Properassemblingprocedure:

Preparethecomputercase(Installpowersupply,I/Oshieldandspacers)

Installdrives(DVD,FloppyandHDD)

InstalltheCPU,fan,heatsinkandmemorymoduleonthemotherboard

Installthemotherboardinto thecasingandexpansioncards

Installthecablings(Powerconnectors,FDDConnector,IDE/SATAConnector,USBheaders

andsystempanelheader).

Attachthemonitor,keyboard,mouseandplugintoapowersource.

Troubleshootifnecessary

Assembleandinstall networkconnection



4. INSTALLOPERATINGSYSTEMS(OS XP/2000/98,DualBoot),DEVICEDRIVERS,LANCABLE

(Actual)

Thetypeofoperatingsystemtobeinstalledmightchangeovertime.ForLANcablecolour

codingmemorizethepairingsbelow.



5. CONFIGUREANDPRINT(Actual)

Clickonthe startmenu andclick ControlPanel

WhenthecontrolpanelwindowopensyouwillseeitemsineitherCategoryView(Continue

withstep#3)orClassicView(Skiptoitem#4)



Findanddoubleclickonthe Networkand InternetConnection icon.

Next,findanddoubleclickontheNetworkandInternetConnectionicons.Awindowwill

openwithallnetworkconnectionsavailableonthecomputed(wiredandwireless)

Findthenetworkconnectionyouwanttomanuallyconfigure,rightclickonitandselect

Properties fromthepopupmenu

Intheconnectionpropertieswindow,underthesectionlabelledThisconnectionusedthe

followingitems: find theInternetProtocol(TCP/IP)itemanddoubleclickit.

Anewwindowwillopen;selectthesecondradiobuttonwhichislabelledUsethefollowing

IPAddress.

EntertheappropriateIPAddress(192.168.0.1);subnetmaskusually255.255.255.0andthe

gateway(therouterortheproxyserveraddress).

Thenextpartofthewindowswillnow havearadiobuttonselected whichislabelledUse

thefollowingDNSserveraddresses

Ifyouneedtoaccesstheinternet,entertheaddressprovidedbyyourISP;ifyoudonot

havethatinformationyoucanusetheOpenDNSserverIP(208.67.222.222and

208.67.220.220).

Afterenteringtherequiredinformation,clicktheOKbuttontwiceandclosethecontrol

panelwindow.



CHANGINGWORKGROUPANDCOMPUTERNAME:

Start>Settings>ControlPanel>System>ComputerNametab>Change

Tab>Typenew ComputerNameandWorkgroup>OK,OK,OK,restart

INSTALLINGNETWORKPRINTER

Start>Settings>ControlPanel>PrinterandFaxes>AddPrinter(Printer

Tasks)>AddPrinterWizard>Next>SelectAnetworkprinter,or.>

Next> BrowsePrinter>Next>SelectInstalledNetworkPrinter>Next>Yes

>Finish!

Note:Turnofyourfirewallbeforeinstallingprinter

FILE/FOLDERSHARING

Rightclickfoldertoshare>Properties>SharingTab> NetworkSharingand

Security(ClickIfyouunderstandtheSecurityRisk)>JustEnableSharing

>OK>Selectsharethisfolderonthenetwork>OK

SHARINGPRINTER

Start>Settings>ControlPanel>PrinterandFaxes>RightClickInstalled

Printer>Sharing>Sharethisprinter>OK

6. QUESTIONING/INTERVIEW(Oral)

Mostofthequestionswillbeontroubleshootingbutanythingaroundthesubjectmatter

canbeasked.YoualsoneedtomasterthepartsofthecomputerparticularlyoftheMain

CircuitBoardortheMotherBoardandtheirspecificfunctionsandcablecolourcoding.



CentralProcessingUnit (CPU) Interpretandcarriesoutbasicinstructionsthatoperate

acomputer

HeatSink Componentswithfinsthatcoolsprocessor

RandomAccessMemory(RAM) Memorychipsthatcanbereadfromandwrittento

byprocessor.Alsocalledmainmemoryorprimarystorage,mostRAMisvolatile;

informationinsideitislostwhencomputerspoweristurnedoff.

ReadOnlyMemory(ROM) Memorychipsthatstorepermanentdataandinstructions.

Nonvolatilememory,informationinROMisnotlostwhenthecomputerpowerisoff.

BasicInputOutputSystem(BIOS) Thefirstprogramtorunwhenyouturnonyour

computer.ItisstoredinROMchipon themotherboard.

ComplementaryMetalOxideSemiconductor Stores date,timeand computerstartup

information.Maintainbyasmallbatteryafteryouturnthecomputeroff.

AdapterCard Enhancessystemunitorprovidesconnectionstoexternaldevices called

peripherals;alsocalledexpansioncard.

ExpansionSlot Anopeningorsocketonthemotherboardthatcanholdadaptercard.

Port Connectsexternaldevicestosystemunit



Connector Joinscabletoperipheral

OTHERUSEFUL INFORMATION

BASICTROUBLESHOOTING

Beepcodetroubleshooting

ComponentIsolation

RAMIsolation

EquipmentIsolation

5S

Sort Clearlydistinguishneededitemsfromunneededandeliminatethelatter.

Straighten Keepneededitemsinthecorrectplacetoallowforeasyand

immediateretrieval

Shine Keeptheworkplaceneatandclean

Standardize Themethodbywhichsort,straighten,shinearemadehabitual.

Sustain Maintainestablishedprocedures

Acronyms

ATX AdvanceTechnologyExtended

SDRAM SynchronousDynamicRandom AccessMemory

DRAM DynamicRandomAccessMemory

EDORAM ExtendedDataOutputRandomAccessMemory

SIMM SingleInline MemoryModule

DIMM DoubleInlineMemoryModule

RIMM RambusInlineMemoryModule

USB UniversalSerialBus

IEEE Instituteof ElectricalandElectronicsEngineer

ISA IndustryStandardArchitecture

PCI PeripheralComponentInterconnect

EISA ExtendedIndustryStandardArchitecture

VESA VideoElectronicsStandardAssociation

IDE IntegratedDriveElectronics

SCSI SmallComputerSystemInterface

DDR DoubleDataRate

UDMA UltraDirectMemoryAccess

10S

SORT

SANITIZE

SWEEP

SYSTEMATIZE



SELDDESCIPLINE

SUSTAIN

SAFETY

SEPARATE

STANDARD

SAVETHEENVIRONMENT

POSIBLEORALQUESTIONS

Q YouhavejustinstalledWindows98. Duringthetesting,itfailstostartafter theStartingWindows

98messageappears.Whatshouldyoudototroubleshootthisproblem?Nameatleasttwoways.

A TypeWin/d:matthecommandprompttostartwindows,orpressF8whenwindowsrestartingand

selectsafemode.

Q YouhaveconfiguredadualbootsystemconsistingWindows98inFAT32partitionandWindows

2000usingNTFSpartition.YoucheckyourWindows2000installationanditlookedgood.However,

whenyouboottoWindows98youcantsee thefilesintheNTFSpartition.Whatmightbethesourceof

theproblem?

A Windows98isnotcompatiblewithNTFS

Q YousuccessfullyinstallWindows2000Professionalandyouwanttocheckyourdrivesforerrors.

Nameonewayofcheckingforerrors

A Opencontrolpanel,clickadministertool,clickcomputermanagementandwithinthestoragetab

clickdiskdefragmenter

Q YouwanttosetupadualbootscenariobetweenWindows98andWindows2000.Howwouldyou

dothis?

A Partitionyourharddrive.InstallWindows98firstandtheninstallWindows2000tothesecond

partition.

Q Acustomercomplainsthathisharddiskismakinglotsofnoise.Afterexaminingthecomputerand

hearingthenoiseforyourself,younoticethathighpitchnoiseseems tobecomingfromthefaninthe

powersupply.Whichcomponentshouldbereplaced?



A PowerSupply

Q WhatpartofHPLaserprinterismalfunctionifyoureceivea50serviceerror?

A FUSER

Q Acustomercomplainsthathecantgethiscomputertowork.Whenheturniton,thereisnovideo

andhearsaseriesofbeeps.Thebeepsareinthesequenceofonelongbeep,thentwoshortbeeps.You

tellthecustomertobringthemachinein.Uponfurtherexaminationyouareabletoidentifythe

problem.Whatshouldbeyournextstep?Whatistheerror?

A Replacethevideocardandmakesureitistighten.

Q Whatisindicatedbya201erroratsystemstartup?

A Badmemory.Mostoftheerrorbeginswith2indicatememoryerrorofsomesort.

Q WhattwocommandfilesareusedbyDOStoconfigurethecomputer?

A Autoexec.batandConfig.sys

Q Youinstallanewlypurchasesoundcardintoyourcomputer,butuponrebootingyoufindthatthe

new deviceisnotrecognizedbythesystem.Moreover,yourmodem,whichhasalwaysworked

perfectly,hasstoppedfunctioning.Whatisprobablytheproblem?

A ThesoundcardisusingthesameIRQasthemodem.

Q Whatisthecorrectwaytousetheprotocol utilityIPCONFIGinaWindows2000environment?

A Choosestart,clickrunandtype cmd thenpressenterkey.AtthecommandprompttypeIPCONFIG

Q TransmissionControlProtocol/InternetProtocol(TCP/IP)isacollectionofprotocolsthathelp

managetheinternetcommunication.EachcomputerrunningTCP/IPmusthaveauniqueIPaddress

assignedtoit.WhatisanIPaddress?Describetheformat?



A AnIPaddressissetoffournumbers,eachofwhichmustbefrom0to255.

Q WhatisthecorrectsequencetostartWindows2000backupprogram?

A Choosestart>Programs>ThenAccessories>ThenSystemTools>ThenBackup.

Q Youvesetupanetworkwherebyeachcomputeractasaclientandaserverandinwhicheachuser

shareseachothersresources, includingprinters.Whatisthecorrecttermforsucharrangement?

A Peertopeernetworking

Q Sendingandreceivingelectronicmail(email)isacommonbenefitoftheinternet.Assumingauser

hasaccesstotheinternetonaproperlyconfigurePC.Whatisneededbeforeausercanbeginusinge

mail?

A EmailaccountandemailclientsuchasMicrosoftOutlook

Q WhatisthenameoftheexecutablefileforMicrosoftBackupFORdos?ForWindows3.x?

A MSBACKUP.EXE

Q Whatwouldyoutypeata DOScommandlinetostarttheMicrosoftAntiVirus?

A TypeMSAVatthecommandprompt.

Q Whatprograminthecontrolpanelcanbeusedtocreateastartupdisk?

A Add/RemovePrograms

Q WhatisthefinaloptionintheConfigureScreenmenu?

A Compatibilitytest

Q TheMSBACKUPPrograminDOSreceivesitssettingsfromwhatfile?



A SETfile

Q WhichWindowsNT4.0utilityshouldyouuseafterinstallinganewharddrivetomakeusable?

A DiskAdministrator

Q WhichisthepropercommandtoinstallWindows2000recoveryconsoleasastartupoptioninthe

CDRomindriveE?

A E:\i386\winnt32.exe/cmdcons

Q DuringtheWindows2000setup,youareasked tochoosebetweenNTFSfilesystemandtheFATfile

system.CanyousitedisadvantageonNTFS?

A NTFSismoresophisticatedfilesystemhoweveritisnotcompatiblewithDOS.

Q AfterthesuccessfulupgradingtoWindows2000,whatshouldyoudowiththetemporaryfiles

generatedduringthesetupprocess?

A Nothing.Becauseallgeneratedtemporaryfilesareautomaticallyremoveduringtheprocess.

Q YouarepreparingthecomputerfordualbootingbetweenWindows98and2000.Yourdriveis

partitioned,andWindows98isalreadyinstalled.Whatshouldbeyournextstep?

A Youmust chooseFATforWindows2000partition

Q WhichofthefollowingisnottheWindows2000keyBootfile?Why?

A Autoexec.bat ThisisthekeybootforWindows3.1and9xarenotnecessaryforWindows2000

Q Whatisthemostlikelycauseofapaper jamonadotmatrixprinter?

A Obstructedpaperpath



Q HPprinterlaserjetIIIprinterisnotprintingatall.ThecomputerindicatesthatthedeviceonLPT1is

notready.Youperformaserviceselftesttotheprinteranditprintsonthepageof verticallines with

noproblem.Thefrontpanelselftestdoesnotwork,howeverwhichcomponentdoyoususpectisgiving

youtheproblem?

A TheFormatter

Q Acomputerisexperiencingrandomrebootsandphantomproblemsthatdisappearafterreboot.

Whatshouldyoudo?

A Openthecoverandresetallcardsandchips

Q UsingeitheraWindows9XorWindows2000workstation,whatcomponentsdoyouneedto

connecttoaMicrosoftnetworkserver?

A Protocol,clientandadapter

Q YouareenablefileandprintersharingonyourWindows9Xsystem.Youmustnowspecifyhow

securitywillbehandled.Whatcouldbetheoptions?

A SharelevelAccessControlandUserlevelcontrol

Q AWindows9xworkstationincludesdefaultsupportforwhatnetworkOS/clienttypes?

A MSWindowsNetworkingandNovellsNetwarewithinaWindows9xworkstation,clientsare

providedforMicrosoftandNovellNetwork

Q WhatisthethirdelementrequiredtoconfigureaWindows2000systemasanetworkclient?A

client,anadapter,and ___?

A Protocol

Q Whatwouldyouneedtodotocreateanewdialupnetworking(DUN)connectionwithinaWindows

9xsystem?



A ChooseStart>Programs>Accessories,thenchooseandclickDialupnetworkingthendoubleclick

Makenew connectionordoubleclickMycomputericononthedesktopthenclickdialup

networking.

Q WhatwouldyouusetomapanetworkdriveinbothWindows9xandWindows2000?

A Mapnetworkdrive

Q Whattypeofbackupinvolvesselectingthefilesyou wanttobackupaswellaswhenyouwantthem

tobackup?

A CustomBackup

Q Thereareseveralpiecesofbackuphardwarethatarecurrentlyavailable.Ofthefollowing,whichis

notvalidbackuphardware?

A Stationaryharddisk

Q Whichtypeofbackupthatbackupfilesonadiskthathaschangedsincethelastfullbackup?

A Differentialbackup

computer hardware servicing-nc2 reviewer

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