ThinkPad T420s - Page 43

Note:PC-DoctorforDOSisavailableatthefollowingWebsite:http://www.lenovo.com/supportTocreate
thePC-DoctordiagnosticCD,followtheinstructionsontheWebsite.
Forsomepossibleconfigurationsofthecomputer,PC-Doctormightnotruncorrectly.Toavoidthisproblem,
youneedtoinitializethecomputersetupbyuseoftheThinkPadSetupbeforeyourunPC-Doctor.
ToenterThinkPadSetup,doasfollows:
1.Turnonthecomputer.
2.WhentheThinkPadlogocomesup,immediatelypressF1toentertheThinkPadSetup.
Note:Ifasupervisorpasswordhasbeensetbythecustomer,ThinkPadSetupmenuappearsafterthe
passwordisentered.YoucanstarttheThinkPadSetupbypressingEnterinsteadofenteringthesupervisor
password;however,youcannotchangetheparametersthatareprotectedbythesupervisorpassword.
OntheThinkPadSetupscreen,pressF9,Enter,F10,andthenEnter.
Note:Whenyouinitializethecomputerconfiguration,somedevicesaredisabled,suchastheserialport.If
youtestoneofthesedevices,youwillneedtoenableitbyusingConfigurationutilityforDOS.Theutilityis
availableonthefollowingWebsite:http://www.lenovo.com/support
PC-Doctorcannotbeusedtotestadevicethatisinthedockingstation,evenifthecomputersupportsthe
dockingstation.TotestaUSBdevice,connectittotheUSBconnectorofthecomputer.
Testingthecomputer
Note:ThePC-DoctorforDOSCD-R/CD-RWdiscsupportsonlytestofinternalopticaldiscdrives(CD-RW,
CD-RW/DVDCombo,andDVDMultidrives)onThinkPadcomputers.Itdoesnotsupporttestofanyoptical
discdrivesconnectedthroughUSBdevices,PCcards,CardBuscards,orsimilar.TheUSBlimitationonly
appliestotestingofthedevice.UsingabootablePC-DoctorforDOSCD/DVD,thesystemcanbestarted
fromaUSBattachedopticaldrive.
Torunthetest,doasfollows:
1.Turnoffthecomputer.
2.Makesurethattheopticaldrivethatissupportedasastartupdeviceisinstalledtothecomputer.
3.Turnonthecomputer.Ifthecomputercannotbepoweredon,goto“Powersystemcheckout”onpage
42,andcheckthepowersources.Ifanerrorcodeappears,goto“Symptom-to-FRUindex”onpage52.
4.WhentheThinkPadlogocomesup,immediatelypressF12toentertheBootMenu.
5.InsertthePC-DoctorCDintotheopticaldrive.
6.PresscursorkeystoselectATAPICDx(x:0,1,...)andthenpressEnter.
7.Followtheinstructionsonthescreen.
8.ThemainpanelofPC-Doctorappears.
9.SelectDiagnosticswiththearrowkeys,andpressEnter.
Note:Youcanselectanitemnotonlywiththearrowkeys,butalsowiththeTrackPoint
®
pointer.
InsteadofpressingEnter,clicktheleftbutton.
Apull-downmenuappears.(Itsexactformdependsonthemodel.)
Note:PC-Doctormenudoesnotmeantheformalsupportdevicelist.Someunsupporteddevicenames
mayappearinthePC-Doctormenu.
Chapter3.Generalcheckout37