User Guide

Checkoutguide
UsethefollowingproceduresasaguideinidentifyingandcorrectingproblemswiththeThinkPadNotebook.
Note:ThediagnostictestsareintendedtotestonlyThinkPadproducts.Theuseofnon-ThinkPadproducts,
prototypecards,ormodiedoptionscanleadtofalseindicationsoferrorsandinvalidsystemresponses.
1.Identifythefailingsymptomsinasmuchdetailaspossible.
2.Verifythesymptoms.Trytore-createthefailurebyrunningthediagnostictestorbyrepeatingthe
operation.
DiagnosticsusingPC-DoctorforDOS
TheThinkPadNotebookhasatestprogramcalledPC-DoctorforDOS(hereaftercalledPC-Doctor.)Youcan
detecterrorsbyrunningthediagnosticstestincludedinPC-Doctor.
Note:
PC-DoctorforDOSisavailableatthefollowingWebsite:http://www.lenovo.com/support
TocreatethePC-DoctordiagnosticCD,followtheinstructionsontheWebsite.
Forsomepossiblecongurationsofthecomputer,PC-Doctormightnotruncorrectly.Toavoidthisproblem,
youneedtoinitializethecomputersetupbyuseoftheBIOSSetupUtilitybeforeyourunPC-Doctor.
ToenterBIOSSetupUtility,doasfollows:
1.Turnonthecomputer.
2.WhentheThinkPadlogocomesup,immediatelypressF1toentertheBIOSSetupUtility.
Note:Ifasupervisorpasswordhasbeensetbythecustomer,BIOSSetupUtilitymenuappearsafterthe
passwordisentered.YoucanstarttheutilitybypressingEnterinsteadofenteringthesupervisorpassword;
however,youcannotchangetheparametersthatareprotectedbythesupervisorpassword.
OntheBIOSSetupUtilityscreen,pressF9,Enter,F10,andthenEnter.
Note:Whenyouinitializethecomputerconguration,somedevicesaredisabled,suchastheserialport.If
youtestoneofthesedevices,youwillneedtoenableitbyusingCongurationutilityforDOS.Theutilityis
availableonthefollowingWebsite:http://www.lenovo.com/support
PC-Doctorcannotbeusedtotestadevicethatisinthedockingstation,evenifthecomputersupportsthe
dockingstation.TotestaUSBdevice,connectittotheUSBconnectorofthecomputer.
Testingthecomputer
Inthisproduct,youneedanexternalopticaldrivetousethePC-DoctordiagnosticCDtotestthehardware
features.
Note:ThePC-DoctordiagnosticCDdoesnotsupportanyexternalopticaldrivesconnectedthroughUSB
devicesoranyothers.
Torunthetest,doasfollows:
1.Turnoffthecomputer.
2.AttachanexternalopticaldrivethroughtheUSBconnectortothecomputer.
3.Settheexternalopticaldriveasastartupdevice.
4.Turnoffthecomputer.
5.Turnonthecomputer.Ifthecomputercannotbepoweredon,goto“Powersystemcheckout”on
page39,andcheckthepowersources.
Chapter3.Generalcheckout35