Lenovo 3444CUU Drivesandotherstor agedevices

Solution:Thebatterypowerisgettinglow.Connecttheacpoweradaptertothecomputerandplugit

intoanelectricaloutlet,orreplacethebatterywithachargedone.

•Problem:ThecomputerdisplayremainsblankafteryoupressFntoreturnfromsleepmode.

Solution:Checkwhetheranexternalmonitorwasdisconnectedorturnedoffwhilethecomputerwas

insleepmode.Ifyoudisconnectedorturnedofftheexternalmonitor,connectitorturnitonbefor e

resumingthecomputerfromthesleepmode.Whenresumingthecomputerfromthesleepmodewithout

attachingtheexternalmonitororturningiton,andthecomputerdisplayremainsblank,pr essFn+F7to

bringupthecomputerdisplay.

•Problem:Thecomputerdoesnotreturnfromsleepmode,orthesleepindicatorstaysonandthe

computerdoesnotwork.

Solution:Ifthesystemdoesnotreturnfromsleepmode,itmayhaveenteredsleeporhibernationmode

automaticallybecausethebatteryisdepleted.Checkthesleepindicator.

–Ifthesleepindicatorison,yourcomputerisinsleepmode.Connecttheacpoweradaptertothe

computer;thenpressFn.

–Ifthesleepindicatorisoff,yourcomputerisinhibernationmodeorpower-offstate.Connecttheac

poweradaptertothecomputer;thenpr essthepowerbuttontoresumeoper ation.

Ifthesystemstilldoesnotreturnfromsleepmode,yoursystemmaystoprespondingandyoumaynotbe

abletoturnoffthecomputer.Inthiscase,youneedtoresetthecomputer.Ifyouhavenotsavedyour

data,itmaybelost.Toresetthecomputer,pressandholdthepowerbuttonfor4secondsormore.Ifthe

systemisstillnotreset,removetheacpoweradapterandthebattery.

•Problem:Yourcomputerdoesnotentersleeporhibernationmode.

Solution:Checkwhetheranyoptionhasbeenselectedtodisableyourcomputerfr omenteringsleep

orhibernationmode.

Ifyourcomputertriestoentersleepmodebuttherequestisrejected,thedeviceintheUSBconnector

mightbedisabled.Ifthisoccurs,doahot-unplug-and-plugoperationfortheUSBdevice.

•Problem:Thebatterydischargesslightlywhilethecomputerisinhibernationmode.

Solution:Ifthewakeupfunctionisenabled,thecomputerconsumessmallamountofpower.Thisisnota

defect.Fordetails,refertoPower-savingmodes.

Drivesandotherstor agedevices

Thissectionincludestwodriveproblemswhichareharddiskdriveandsolidstatedrive.

•Problem:Theharddiskdrivemakesarattlingnoiseintermittently.

Solution:Therattlingnoisemightbeheard:

–Whentheharddiskdrivebeginsornishesgettingaccesstodata.

–Whenyoucarrytheharddiskdrive.

–Whenyoucarryyourcomputer.

Thisisanormalcharacteristicofaharddiskdriveandisnotadefect.

•Problem:Theharddiskdrivedoesnotwork.

Solution:InthestartupmenuoftheThinkPadSetup,makesur ethattheharddiskdriveisincludedinthe

“Bootpriorityorder”list.Ifitisincludedinthe“Excludedfrombootorder”list,itisdisabled.Selectthe

entryforitinthelistandpressShift+1.Thismovestheentrytothe“Bootpriorityorder”list.

Chapter10.Troubleshootingcomputerproblems139