Lenovo E525 Bedienungsanleitung PDF herunterladen (Seite 148)

Ifthebatteryischargedandthetemperatureiswithinrange,havethecomputerserviced.

•Problem:Themessage“criticallow-batteryerror”isdisplayed,andthecomputerimmediatelyturnsoff.

Solution:Thebatterypowerisgettinglow.Connecttheacpoweradaptertothecomputerandplugit

intoanelectricaloutlet,orreplacethebatterywithachargedone.

•Problem:ThecomputerdisplayremainsblankafteryoupressFntoreturnfromsleepmode.

Solution:Checkwhetheranexternalmonitorwasdisconnectedorturnedoffwhilethecomputerwas

insleepmode.Ifyoudisconnectedorturnedofftheexternalmonitor,connectitorturnitonbefore

resumingthecomputerfromthesleepmode.Whenresumingthecomputerfromthesleepmode

withoutattachingtheexternalmonitororturningiton,andthecomputerdisplayremainsblank,press

F6tobringupthecomputerdisplay.

•Problem:Thecomputerdoesnotreturnfromsleepmode,orthesystemstatusindicator(illuminated

ThinkPadlogo)blinksslowlyandthecomputerdoesnotwork.

Solution:Ifthesystemdoesnotreturnfromsleepmode,itmighthaveenteredsleeporhibernationmode

automaticallybecausethebatteryisdepleted.Checkthesleepindicator.

–Ifthesystemstatusindicator(illuminatedThinkPadlogo)blinksslowly,yourcomputerisinsleepmode.

Connecttheacpoweradaptertothecomputer;thenpressFn.

–Ifthesystemstatusindicator(illuminatedThinkPadlogo)isoff,yourcomputerisinpower-offstateor

inhibernationmode.Connecttheacpoweradaptertothecomputer;thenpressthepowerbutton

toresumeoperation.

Ifthesystemstilldoesnotreturnfromsleepmode,yoursystemmaystoprespondingandyoumightnot

beabletoturnoffthecomputer.Inthiscase,youneedtoresetthecomputer.Ifyouhavenotsavedyour

data,itmightbelost.Toresetthecomputer,pressandholdthepowerbuttonfor4secondsormore.If

thesystemisstillnotreset,removetheacpoweradapterandthebattery.

•Problem:Yourcomputerdoesnotentersleeporhibernationmode.

Solution:Checkwhetheranyoptionhasbeenselectedtodisableyourcomputerfromenteringsleep

orhibernationmode.

Ifyourcomputertriestoentersleepmodebuttherequestisrejected,thedeviceintheUSBconnector

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

•Problem:Thebatterydischargesslightlywhilethecomputerisinhibernationmode.

Solution:Ifthewakeupfunctionisenabled,thecomputerconsumesasmallamountofpower.Thisisnot

adefect.Fordetails,referto“Power-savingmodes”onpage36

Problemswithdrivesandotherstoragedevices

Thissectionincludesharddiskdriveproblemsandopticaldriveproblems.

Harddiskdriveproblems

Problem:Theharddiskdrivemakesarattlingnoiseintermittently.

Solution:Therattlingnoisemightbeheard:

•Whentheharddiskdrivebeginsornishesgettingaccesstodata.

•Whenyoucarrytheharddiskdrive.

•Whenyoucarryyourcomputer.

Thisisanormalcharacteristicofaharddiskdriveandisnotadefect.

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Lenovo E525 Bedienungsanleitung Seite 148