Lenovo ThinkPad E455 - Problems with Drives and Other Storage Devices

attachingtheexternalmonitororturningiton,andthecomputerdisplayremainsblank,pressthe
brightness-upkeytobringupthecomputerdisplay.
•Problem:Thecomputerdoesnotreturnfromsleepmode,orthesystem-statusindicatorblinksslowly
andthecomputerdoesnotwork.
Solution:Ifthesystemdoesnotreturnfromsleepmode,itmighthaveenteredsleeporhibernationmode
automaticallybecausethebatteryisdepleted.Checkthesystem-statusindicator.
–Ifthesystem-statusindicatorblinksslowly,yourcomputerisinsleepmode.Connecttheacpower
adaptertothecomputer;thenpressFn.
–Ifthesystem-statusindicatorisoff,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”onpage29
.
Problemswithdrivesandotherstoragedevices
Thissectionincludesharddiskdriveproblems,hybriddriveproblems,solid-statedriveproblems.
Harddiskdriveandhybriddriveproblems
•Problem:Theharddiskdriveorhybriddrivemakesarattlingnoiseintermittently.
Solution:Therattlingnoisemightbeheard:
–Whentheharddiskdriveorhybriddrivebeginsorfinishesgettingaccesstodata.
–Whenyoucarrytheharddiskdriveorhybriddrive.
–Whenyoucarryyourcomputer.
Thisisanormalcharacteristicofaharddiskdriveorhybriddriveandisnotadefect.
•Problem:Theharddiskdriveorhybriddrivedoesnotwork.
Solution:OntheBootmenuofThinkPadSetup,makesurethattheharddiskdriveorhybriddriveison
theBootpriorityorderlist.IfitisontheExcludedfrombootorderlist,itisdisabled.Selecttheentry
foritonthelistandpresstheShift+1key.ThismovestheentrytotheBootpriorityorderlist.
•Problem:Aftersettingaharddiskpasswordontheharddiskdriveorhybriddriveofthecomputer,you
movedthedrivetoanothercomputer.Nowyoucannotunlocktheharddiskpassword.
Solution:Yourcomputersupportsanenhancedpasswordalgorithm.Computersolderthanyoursmight
notsupportsuchasecurityfunction.
Chapter8.Troubleshootingcomputerproblems95