Multitech W540 Podręcznik Użytkownika Pobierz pdf (Strona 155)

Ifyourcomputerisgettingnopoweratall,checkthefollowingitems:

1.Verifythepowerbutton.Thepowerbuttonisilluminatedwheneverthecomputerison.

2.Checkallpowerconnections.Removeanypowerstripsandsurgeprotectorstoconnecttheacpower

adapterdirectlytotheacpoweroutlet.

3.Inspecttheacpoweradapter.Checkforanyphysicaldamage,andmakesurethatthepowercableis

rmlyattachedtotheadapterbrickandthecomputer.

4.Verifytheacpowersourceisworkingbyattachinganotherdevicetotheoutlet.

Ifyourcomputerdoesnotrunonbatterypower,checkthefollowingitems:

1.Removeandreinstallthebatterytomakesurethatitisproperlyconnected.

2.Ifthebatteryrunsoutofpower,attachacpoweradaptertorechargethebattery.

3.Ifthebatteryischargedbutthecomputerdoesnotrun,replacethebatterywithanewone.

Apowerbuttonproblem

Problem:Thesystemdoesnotrespond,andyoucannotturnoffthecomputer.

Solution:Turnoffthecomputerbypressingandholdingthepowerbuttonfor4secondsormore.Ifthe

computerisstillnotreset,removetheacpoweradapterandthebattery.

Bootproblems

Printtheseinstructionsnowandkeepthemwithyourcomputerforreferencelater.

Ifyoureceiveanerrormessagebeforetheoperatingsystemloads,followtheappropriatecorrectiveactions

forpower-onself-test(POST)errormessages.

Ifyoureceiveanerrormessagewhiletheoperatingsystemisloadingthedesktopcongurationafterthe

POSTiscompleted,checkthefollowingitems:

1.GototheLenovoSupportWebsiteathttp://www.lenovo.com/supportandsearchfortheerrormessage.

2.GototheMicrosoftKnowledgeBasehomepageathttp://support.microsoft.com/andsearchforthe

errormessage.

Sleepandhibernationproblems

•Problem:Thecomputerenterssleepmodeunexpectedly.

Solution:Ifthemicroprocessoroverheats,thecomputerautomaticallyenterssleepmodetoallowthe

computertocoolandtoprotectthemicroprocessorandotherinternalcomponents.Checkthesettings

forsleepmode.

•Problem:Thecomputerenterssleepmodeimmediatelyafterthepower-onself-test.

Solution:Ensurethat:

–Thebatteryischarged.

–Theoperatingtemperatureiswithintheacceptablerange.Referto“Operatingenvironment”onpage

13.

Ifthebatteryischargedandthetemperatureiswithinrange,havethecomputerserviced.

•Problem:Acriticallow-batteryerroroccurs,andthecomputerimmediatelyturnsoff.

Solution:Thebatterypowerisgettinglow.Plugtheacpoweradapterintoanelectricaloutletand

connecttheacpoweradaptertothecomputer,orreplacethebatterywithachargedone.

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Multitech W540 Podręcznik Użytkownika Strona 155