
•Problem:ThecomputerdisplayremainsblankafteryoupressFntoreturnfromsleepmode.
Solution:Checkwhetheranexternalmonitorwasdisconnectedorturnedoffwhilethecomputerwas
insleepmode.Ifyoudisconnectedorturnedofftheexternalmonitor,connectitorturnitonbefore
resumingthecomputerfromthesleepmode.Whenresumingthecomputerfromthesleepmode
withoutattachingtheexternalmonitororturningiton,andthecomputerdisplayremainsblank,press
F7tobringupthecomputerdisplay.
•Problem:Thecomputerdoesnotreturnfromsleepmode,orthesystemstatusindicatorblinksslowly
andthecomputerdoesnotwork.
Solution:Ifthesystemdoesnotreturnfromsleepmode,itmighthaveenteredsleeporhibernationmode
automaticallybecausethebatteryisdepleted.Checkthesystemstatusindicator.
–Ifthesystemstatusindicatorblinksslowly,yourcomputerisinsleepmode.Connecttheacpower
adaptertothecomputer;thenpressFn.
–Ifthesystemstatusindicatorisoff,yourcomputerisinpower-offstateorhibernationmode.Connect
theacpoweradaptertothecomputer;thenpressthepowerbuttontoresumeoperation.
Ifthesystemstilldoesnotreturnfromsleepmode,yoursystemmightstoprespondingandyoumightnot
beabletoturnoffthecomputer.Inthiscase,youneedtoresetthecomputer.Ifyouhavenotsavedyour
data,itmightbelost.Toresetthecomputer,pressandholdthepowerbuttonfor4secondsormore.If
thesystemisstillnotreset,removetheacpoweradapterandthebattery.
•Problem:Yourcomputerdoesnotentersleeporhibernationmode.
Solution:Checkwhetheranyoptionhasbeenselectedtodisableyourcomputerfromenteringsleep
orhibernationmode.
Ifyourcomputertriestoentersleepmodebuttherequestisrejected,thedeviceattachedtotheUSB
connectormighthavebeendisabled.Ifthisoccurs,doahot-unplug-and-plugoperationfortheUSB
device.
•Problem:Thebatterydischargesslightlywhilethecomputerisinhibernationmode.
Solution:Ifthewakeupfunctionisenabled,thecomputerconsumesasmallamountofpower.Thisisnot
adefect.Fordetails,referto“Power-savingmodes”onpage27
.
Problemswithdrivesandotherstoragedevices
Thissectionincludesharddiskdriveproblems,solid-statedriveproblems,andopticaldriveproblems.
Harddiskdriveproblems
•Problem:Theharddiskdrivemakesarattlingnoiseintermittently.
Solution:Therattlingnoisemightbeheard:
–Whentheharddiskdrivebeginsorfinishesgettingaccesstodata.
–Whenyoucarrytheharddiskdrive.
–Whenyoucarryyourcomputer.
Thisisanormalcharacteristicofaharddiskdriveandisnotadefect.
•Problem:Theharddiskdrivedoesnotwork.
Solution:OntheStartupmenuofThinkPadSetup,makesurethattheharddiskdriveisontheBoot
priorityorderlist.IfitisontheExcludedfrombootorderlist,itisdisabled.Selecttheentryforitonthe
listandpressShift+1tomoveitbacktotheBootpriorityorderlist.
•Problem:Aftersettingaharddiskpasswordontheharddiskdriveofthecomputer,youmovedthedrive
toanothercomputer.Nowyoucannotunlocktheharddiskpassword.
144UserGuide
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