ThinkPad Edge E440 - Page 163

Solution:Checkwhetheranyoptionhasbeenselectedtodisableyourcomputerfromenteringsleep
orhibernationmode.
Ifyourcomputertriestoentersleepmodebuttherequestisrejected,thedeviceattachedtotheUSB
connectormighthavebeendisabled.Ifthisoccurs,doahot-unplug-and-plugoperationfortheUSB
device.
•Problem:Thebatterydischargesslightlywhilethecomputerisinhibernationmode.
Solution:Ifthewakeupfunctionisenabled,thecomputerconsumesasmallamountofpower.Thisisnot
adefect.Fordetails,referto“Power-savingmodes”onpage33
.
Problemswithdrivesandotherstoragedevices
Thissectionincludesharddiskdriveproblems,solid-statedriveproblems,andopticaldriveproblems.
Harddiskdriveproblems
•Problem:Theharddiskdrivemakesarattlingnoiseintermittently.
Solution:Therattlingnoisemightbeheard:
–Whentheharddiskdrivebeginsorfinishesgettingaccesstodata.
–Whenyoucarrytheharddiskdrive.
–Whenyoucarryyourcomputer.
Thisisanormalcharacteristicofaharddiskdriveandisnotadefect.
•Problem:Theharddiskdrivedoesnotwork.
Solution:OntheBootmenuofThinkPadSetup,makesurethattheharddiskdriveisontheBootpriority
orderlist.IfitisontheExcludedfrombootorderlist,itisdisabled.Selecttheentryforitonthelistand
presstheShift+1key.ThismovestheentrytotheBootpriorityorderlist.
•Problem:Aftersettingaharddiskpasswordontheharddiskdriveofthecomputer,youmovedthedrive
toanothercomputer.Nowyoucannotunlocktheharddiskpassword.
Solution:Yourcomputersupportsanenhancedpasswordalgorithm.Computersolderthanyoursmight
notsupportsuchasecurityfunction.
Asolid-statedriveproblem
Problem:WhenyoucompressfilesorfoldersbyuseofthedatacompressionfunctioninWindows,and
thendecompressthem,theprocessofwritingtoorreadingfromthefilesorfoldersisslow.
Solution:ApplythediskdefragmentationtoolinWindowsforfasteraccesstothedata.
Opticaldriveproblems
•Problem:Theopticaldrive,suchasaCD,DVD,orCD-RWdrive,doesnotwork.
Solution:MakesurethatthecomputeristurnedonandaCD,DVD,orCD-RWisproperlyloadedonthe
centerpivotofthedrive.(Youshouldhearaclick.)
Makesurethatthedriveconnectorisfirmlyconnectedtothecomputer.Ifyouuseanoptionthathasabay
forinstallingthedrive,makesurethattheoptionisfirmlyconnectedtothecomputerandworksproperly.
Makesurethatthedrivetrayisfirmlyclosed.
Makesurethatthedevicedriversarecorrectlyinstalled.
•Problem:YouhearanoisefromthedrivewhentheCD,DVD,orCD-RWdiscisspinning.
Chapter10.Troubleshootingcomputerproblems147