Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty
byreferringtothefollowinglist:
Thefollowingarenotcoveredunderwarranty:
•LCDpanelcrackedfromtheapplicationofexcessiveforceorfrombeingdropped
•Scratched(cosmetic)parts
•Distortion,deformation,ordiscolorationofthecosmeticparts
•Plasticparts,latches,pins,orconnectorsthathavebeencrackedorbrokenbyexcessiveforce
•Damagecausedbyliquidspilledintothesystem
•Damagecausedbytheimproperinsertionofapersonal-computercard(PCcard)ortheinstallationof
anincompatiblecard
•Improperdiscinsertionoruseofanexternalopticaldrive
•Fusesblownbyattachmentofanonsupporteddevice
•Forgottencomputerpassword(makingthecomputerunusable)
•Stickykeyscausedbyspillingaliquidontothekeyboard
•Useofanincorrectacpoweradapteronlaptopproducts
Thefollowingsymptomsmightindicatedamagecausedbynonwarrantedactivities:
•Missingpartsmightbeasymptomofunauthorizedserviceormodification.
•Checkforobviousdamagetoaharddiskdrive.Ifthespindleofaharddiskdrivebecomesnoisy,thehard
diskdrivemighthavebeendroppedorsubjecttoexcessiveforce.
Checkoutguide
UsethefollowingproceduresasaguideinidentifyingandcorrectingproblemswiththeThinkPadnotebook
computers.
Note:ThediagnostictestsareintendedtotestonlyThinkPadproducts.Theuseofnon-ThinkPadproducts,
prototypecards,ormodifiedoptionscanleadtofalseindicationsoferrorsandinvalidsystemresponses.
1.Identifythefailingsymptomsinasmuchdetailaspossible.
2.Verifythesymptoms.T rytore-createthefailurebyrunningthediagnostictestorbyrepeatingthe
operation.
Diagnosingproblems
Manycomputerproblemscanbesolvedwithoutoutsideassistance.Ifyouexperienceaproblemwithyour
computer,thefirstplacetostartisthetroubleshootinginformationinyourcomputerdocumentation.If
yoususpectasoftwareproblem,seethedocumentation,includingreadmefilesandhelpinformation
systems,thatcomewiththeoperatingsystemorprogram.ThinkPadnotebookcomputerscomewithaset
ofdiagnosticprogramsthatyoucanusetohelpyouidentifyhardwareproblems.
DiagnosingproblemswithLenovoSolutionCenterontheWindows7operatingsystem
LenovoSolutionCenterispreinstalledonyourcomputerandalsoisavailablefordownloadat:
http://www.lenovo.com/diags
Notes:
•IfyouareusinganotherWindowsoperatingsystemratherthantheWindows7,youcanfindthelatest
informationaboutdiagnosticsforyourcomputerat:
http://www.lenovo.com/diagnose
•IfyouareunabletoisolateandrepairtheproblemyourselfafterrunningLenovoSolutionCenter,saveand
printthelogfilescreatedbytheprogram.YouneedthelogfileswhenyouspeaktoaLenovotechnical
supportrepresentative.
24T470HardwareMaintenanceManual