Lenovo Laptop X121E Instrukcja Użytkownika Pobierz pdf (Strona 168)

•Problem:Thecomputerenterssleep(standby)mode(thesleep/standbyindicatorturnson)immediately

afterPower-onself-test.

Solution:Makesurethat:

–Thebatteryischarged.

–Theoperatingtemperatureiswithintheacceptablerange.Referto“Features”onpage12,

“Specications”onpage13,and“Operatingenvironment”onpage14.

Ifthebatteryischargedandthetemperatureiswithinrange,havethecomputerserviced.

•Problem:The“criticallow-batteryerror”messageappears,andthecomputerimmediatelyturnsoff.

Solution:Thebatterypowerisgettinglow.Connecttheacpoweradaptertothecomputerandplugit

intoanelectricaloutlet.

•Problem:ThecomputerdisplayremainsblankafteryoupressFntoreturnfromsleep(standby)mode.

Solution:Checkwhetheranexternalmonitorwasdisconnectedorturnedoffwhilethecomputerwas

insleep(standby)mode.Ifyoudisconnectedorturnedofftheexternalmonitor,connectitorturniton

beforeresumingthecomputerfromthesleep(standby)mode.Whenresumingthecomputerfromthe

sleep(standby)modewithoutattachingtheexternalmonitororturningiton,andthecomputerdisplay

remainsblank,pressFn+F7tobringupthecomputerdisplay.

Note:IfyouareusingFn+F7toapplyapresentationscheme,youwillneedtopressFn+F7atleastthree

timesinthreesecondstobringupthecomputerdisplay.

Note:IfyourcomputerisaWindows7model,itdoesnotsupportthepresentationscheme.

•Problem:Thecomputerdoesnotreturnfromsleep(standby)mode,orthesleep(standby)indicatorstays

onandthecomputerdoesnotwork.

Solution:Ifthesystemdoesnotreturnfromsleep(standby)mode,itmayhaveenteredsleep(standby)or

hibernationmodeautomaticallybecausethebatteryisdepleted.Checkthesleep(standby)indicator.

–Ifthesleep(standby)indicatorison,yourcomputerisinsleep(standby)mode.Connecttheac

poweradaptertothecomputer;thenpressFn.

–Ifthesleep(standby)indicatorisoff,yourcomputerisinhibernationmodeorpower-offstate.Connect

theacpoweradaptertothecomputer;thenpressthepowerbuttontoresumeoperation.

Ifthesystemstilldoesnotreturnfromsleep(standby)mode,yoursystemmaystoprespondingandyou

maynotbeabletoturnoffthecomputer.Inthiscase,youneedtoresetthecomputer.Ifyouhavenot

savedyourdata,itmaybelost.Toresetthecomputer,pressandholdthepowerbuttonfor4secondsor

more.Ifthesystemisstillnotreset,removetheacpoweradapterandthebattery.

•Problem:Yourcomputerdoesnotentersleep(standby)orhibernationmode.

Solution:Checkwhetheranyoptionhasbeenselectedtodisableyourcomputerfromenteringsleep

(standby)orhibernationmode.

Ifyourcomputertriestoentersleep(standby)modebuttherequestisrejected,thedeviceintheUSB

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

•Problem:Thebatterydischargesslightlywhilethecomputerisinhibernationmode.

Solution:Ifthewakeupfunctionisenabled,thecomputerconsumessmallamountofpower.Thisisnot

adefect.Fordetails,referto“Power-savingmodes”onpage32.

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Lenovo Laptop X121E Instrukcja Użytkownika Strona 168