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Computer Repair with DiagnosticFlowcharts Free Download PDFEight flowcharts from published available through theFonerBooks.com website. The full revised eBook with 17flowcharts and troubleshooting text is available for 9.95.The linked website versions of the flowcharts are interactive, ie,click on the diamond decision symbols and the browser showsthe relevant text. The linked flowcharts also include the text foreach chapter. I had to remove the text from this eBook due topossible duplicate content issues with Google.Six laptop troubleshooting flowcharts online at:www.daileyint.com/hmdpc/repair.htmCopyright 2011 by Morris RosenthalThis eBook may be shared online and printed for personaluse only, on the condition that any electronically transmittedor printed copy include this copyright notice and statement.This eBook may not be used for commercial purposes ormodified in any way without the prior written consent of thecopyright owner.Flowcharts produced with Microsoft Visio Standard
Power vs eed toVideo Failurechart.NoPowercomeson?YesGoodAC powersource?NoBoot on2nd try?NoYesPrematurepower oksignal. Trydifferent powersupply.YesNoProceed toMotherboardFailurechart.YesSelect propervoltage on rear ofpower supply.YesPowerswitchfail?YesEither youhave a shortcircuit in the caseor a geometryproblem placing anunacceptableYesstress on themotherboard. It’salso possible thatthe video adapterwas never seated,due the bracketposition.Is110/220 Vset?YesUse liveoutlet.Hear anybeeps?Removelatest additionand retry. Test,replace powersupply.YesReplace switchor substitute frontpanel reset switch,if available.YesHarddrive spinup?Installedmotherboardlead?NoNoReplace powersupply.NoCheck manualand motherboardsilkscreen. Connectlead from front panelswitch.Powersupplyconnections tomotherboardcorrect?NoYesPowersmotherboardon bench?NoBadadapter onbus?YesStrip system downto video adapter only.See Box A, on ConflictResolution chart.NoRemakemotherboard powersupply connections.Spinup on otherlead?NoYesDefectivepower supplylead orconnector.Try drive intest PC.
You can open the interactive version of thisflowchart in your browser on the fonerbooks.comwebsite by clicking on the chapter heading below.The interactive version allows you to get the textfor each decision symbol without paging ahead.Power Supply FailureOr cut and pastehttp://www.fonerbooks.com/power.htm
Video FailureNoNoDoessystem powerup?YesMonitorpower on?Check monitorpower source. Makesure cord is fullyseated in themonitor socket.Livescreen?YesControlsin middle ofrange?NoRAMseated?YesHeara string ofbeeps?YesVideocablesecure?NoAdapterseated?Check bothends of videocable.NoNoNoYesReseat videoadapter, secure.Cabledamaged, pinsbent?Monitortested?YesNoNoTest monitoron good PC orlaptop.Repair or replacevideo cable.Testing with a differenttechnology videoadapter (PCI vs PCIExpress) doesn’t provethe card slot is goodNoProceed toMotherboardFailurechart.No“No Signal”displayed?YesYesYesReseatRAM onMotherboard.“No power”displayed?Connectvideo cardpower insidePCAdjust brightnessand contrast.YesProceed toPowerSupplyFailureYesYesNoNoNoAnyother adaptersinstalled?YesYesLive withnew videoadapter?YesTry old adapter inother system beforechucking.NoLive withlone videoadapter?Freezeson BIOSScreen?NoYesProceed toConflictResolutionchart.Proceed toVideoPerformancechart.
You can open the interactive version of thisflowchart in your browser on the fonerbooks.comwebsite by clicking on the chapter heading below.The interactive version allows you to get the textfor each decision symbol without paging ahead.Video FailureOr copy and paste:http://www.fonerbooks.com/video.htm
Motherboard,CPU, RAMFailurePowerdiagnosticdone?NoProceed toPower SupplyFailure.YesRAMmatched,seated?NoReseat RAM,positive leverlock. Install pairsif required.NoCPUseatedflat?Hearbeeps?Proceed toMotherboardPerformancechart.YesNoReseat CPUand heatsink.YesNoProceed toconflictresolutionchartNoNoFreezeson swapped YesRAM?YesCMOSsettingsdefault?YesReplace RAMwith type listed inmotherboarddocumentation.Defaultmotherboard Yessettings?Restore defaultmotherboard settingswith jumpers orswitches.Freezesbarebones?NoProceed toVideo FailurediagnosticchartYesNoFreezeson bootscreen?YesVideodiagnosticdone?YesCheck fanpower point, (fan1),replace.YesYesFan onheatsinkactive?NoLiveScreen?NoNoLoad defaultsfrom BIOS.YesRuns onbench?YesHeatsinkactive?NoNoLocate short,binding, or swapcase.YesBad CPU, watchvoltage and heatsinkon replacement.CPUswapwork?NoMotherboardbad.Install newheatsink, connectfan. May be toolate for CPU.
You can open the interactive version of thisflowchart in your browser on the fonerbooks.comwebsite by clicking on the chapter heading below.The interactive version allows you to get the textfor each decision symbol without paging ahead.Motherboard, RAM, CPU FailureOr copy and pastehttp://www.fonerbooks.com/cpu ram.htm
ATA DriveFailureNoBIOSregisterdrive?NoDriveseek, spinup?YesCD orDVDdrive?YesNoYesTry swappingpower cablesand test in otherPC or externalUSB shell beforetrashing.NoSATAdrive?YesProceed toCD / DVDchart.Yes 300 MB/sSATA2?NoDriveNo cycles up,down?YesCheck on-drivecompatibilityjumper if old 150MB/s controller.Swap powerDatalead, try isolatingYes connectionon IDE cable,good?check powerSetmanagement.BIOSonoldNoMaster/ Yesmotherboard mayNoSlave?fail to detectMode,NoSATA whenX-fer speedpresent.correct?Check dataSetCablescable seatedPATA hardNocable select Yesseated,both ends, test Yesdrives require 80(CS)?new?cable.conductor cable,check mode inNoReseat IDE andYesCMOS.power cables.Select Master/Slave orReplace IDE cablesCS. CS requires 80if in doubt.DoesNo FDISK see Yesconductor IDE cable orcustom 40 wire cable.drive?IDEYes ribbon cable Nokeyed?Replace IDE cable.If BIOS still doesn’tregister drive, eithermotherboard controlleror drive is bad orincompatible.Isolate drive onprimary IDEcontroller. If FDISKstill doesn’t seedrive, the MBR mayhave been trashedby a virus.Match pin 1 onall connectors.Proceed to HardDrive Boot andPerformancechart.
You can open the interactive version of thisflowchart in your browser on the fonerbooks.comwebsite by clicking on the chapter heading below.The interactive version allows you to get the textfor each decision symbol without paging ahead.ATA Drive FailureOr copy and pastehttp://www.fonerbooks.com/ide hd.htm
CD or DVDPlaybackNoBIOSregisterdrive?YesYesLocked insoftware?Try ejectingbefore boot.YesPinhole on driveface?Readingright YesNoCheckCODECs,recent update ofmedia playerProceed toRecordingProblem.YesDAE settingsor audio patchcable from driveto sound card.BootsOS?Try otherdiagnosticchart.Clean disc withflannel, check forscratches.DeviceManagerproblem?NoReplace IDE cable,change BIOS mode, trydrive in test PC.NoChange CMOSboot sequence,pre-spin drive, tryCD in test PC.NoNoProceed cCDs?NoNoYesNoYesYesYesNoLaugh atself, pick rightdrive.Eject and remount. Try anotherdisc. Check drivemounted level with4 screws.NoNoTwo drivesinstalled?Drivevibrates,noisy?YesPull drive,faceplate, pryand pray.Make sureyou didn’tuse any longmountingscrews.YesNoProceed toATA DriveFailureNoUnplug power,insert straightenedpaper-clip, pulltray.YesTrayejects?Driveshares IDEcable?DVDSATA?YesIsolate onsecondary IDE.YesReplace datacable, test drive inUSB enclosure orother PC.
You can open the interactive version of thisflowchart in your browser on the fonerbooks.comwebsite by clicking on the chapter heading below.The interactive version allows you to get the textfor each decision symbol without paging ahead.CD or DVD PlaybackOr copy and pastehttp://www.fonerbooks.com/ide cd.htm
Modem FailureDSL orcablemodem?YesLED may say“Online”, green isusually good.YesInternetLED lit?ISPpick up?NoPower off PCand modem, retry.Line unplugged,modem failure, orservice out.Busy orringing?YesConfirm ISP’sphone number,area code andprefix foroutside line.Cable? NoFiltersinstalled?YesFriend w/same?NoMulti-portmodem?Try networkingcable on differentmodem port, USB,or test wirelessfunction withlaptop.YesNoConnectto differentISP?Try borrowedDSL modem.NoYesReboot, tryagain.“No dialtone”?NoYesBest driverinstalled?DeviceManger reportproblem?PassOS modem Yestest?Try new modem.YesProceed toModemPerformanceCheck modemstandards andbrands supportedwith ISP.NoLikely PCnetworking, networkadapter or software,especially firewall.Connectat loweredspeed?YesTry direct lineor new modem.NoYesISPNo confirm userinfo?Install onALL lines!NoGetsonline?NoTry dialingon pulseNoYesNoYesNoGet valid username, passwordfrom ISP.YesDoesmodemdial?YesNoYesNoYesNoConnectline jack onmodem.Downloadlatest driverfrom web.Proceed toConflictResolution.
You can open the interactive version of thisflowchart in your browser on the fonerbooks.comwebsite by clicking on the chapter heading below.The interactive version allows you to get the textfor each decision symbol without paging ahead.Modem FailureOr copy and pastehttp://www.fonerbooks.com/modem.htm
SoundFailureAnynon-beepaudio?NoSoundenabled inO.S.?NoEnablesound (Control Panelfor Windows PCs) andtest clips for rnalvolume dialsup?YesAny “!” or“?” in DeviceManager?Plug in speakerbrick (transformer),except for USBpowered or oldbattery speakers.Bestdriverloaded?DeviceManager registercard?NoDownload latestdriver from Internet.NoUSBsound?YesYesYesRegisterwith videoonly?NoYesNoNoTry differentUSB port,cable. Try onother PC orlaptop.NoYesConfirm speakerjack connectedcorrect port (nonUSB only). If 3Dsound card, usefront speakers.NoYesProceed toConflictResolutionCheckedall jacks?Proceed toSoundPerformanceYesYesTurn upexternalcontrols onspeakers, oldsound cards.YesHunteddown everysoftwarevolume?Sound capabledevices, and 3rd partysoftware may all haveindividual volume controls.Watch for “mute” boxeschecked.Built-inmotherboard Nosound?Disable motherboardsound in CMOS and installsound card.YesYesProceed toCD or DVDPlaybackProblemwith musicCDs only?NoReplacesound card.Use USBspeaker orUSB soundcard if noexpansionslots.Hardware failure.Check speakers, patchcables, sound card ontest-bed system.
You can open the interactive version of thisflowchart in your browser on the fonerbooks.comwebsite by clicking on the chapter heading below.The interactive version allows you to get the textfor each decision symbol without paging ahead.Sound FailureOr copy and pastehttp://www.fonerbooks.com/sound.htm
NetworkHardwareDiagnosticsNoYesNewhub addedto LAN?Check crossover(X) port wiring.PCsees ight lit?Software limits,user problem?ProceedConflictResolution.Physicallayer (cables,devices)NoClone setupfrom goodworkstation.NoTriedYesknown goodcable?NoNoSwap cableor check pairs,ends.YesWithinphysical layerlimits?YesAdd repeaters,re-route cables.Fails ontraffic, # ofusers?NoNoMost likelysoftware conflicts,virus.Newnetwork cardworks?NoFlakyoff networkalso?YesIf connectionstable on newport, prior portis failing.NoNoYesSwap hubfor switch,check serverutilization.Reboot,improper softwareconfiguration orbad networkadapter.Problem is unlikelynetwork hardware ifonly this workstationhas intermittentfailures. Try eliminatingall other non-essentialsoftware tasks fortesting purposes.Check properground (one end)Trieddifferentport onhub?NoPCYesworks at newlocation?In-wall cablingfailure, limits, orhub port.Copiednetworkconfig?Proceed toMotherboardPerformance.Cablebypass tohub fix?YesYesBad patch or inwall cabling.Throw out oldadapter, 10 new.
You can open the interactive version of thisflowchart in your browser on the fonerbooks.comwebsite by clicking on the chapter heading below.The interactive version allows you to get the textfor each decision symbol without paging ahead.Network Hardware DiagnosticsOr copy and pastehttp://www.fonerbooks.com/network.htm
Computer Repair with Diagnostic Flowcharts Free Download PDF Eight flowcharts from published available through the FonerBooks.com website. The full revised eBook with 17 flowcharts and troubleshooting text is available for 9.95. The linke
