Lenovo B480 Manual do Utilizador descarregar pdf (Página 69)

Asoundproblem

Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.

Nosoundcanbeheardfromthespeakerevenwhenthevolumeisturnedup.

Makesurethat:

•Themutefunctionisoff.

•Theheadphonejackisnotused.

•Speakersareselectedastheplaybackdevice.

Otherproblems

Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.

Yourcomputerdoesnotrespond.

Doeitherofthefollowing:

•Toturnoffyourcomputer,pressandholdthepowerbuttonfor4secondsormore.Ifthecomputerstill

doesnotrespond,removetheacpoweradapterandthebattery.

•Yourcomputermightlockwhenitenterssleepmodeduringacommunicationoperation.Disablethe

sleeptimerwhenyouareworkingonthenetwork.

Thecomputerdoesnotstartfromadeviceyouwant.

Dothefollowing:

1.CheckthesettingsunderBootmenuofBIOS.MakesurethattheBootPriorityOrderoptionstarts

fromthedeviceyouwant.

2.Alsomakesurethatthedevicefromwhichthecomputerstartsisenabled.UndertheBootmenu,make

surethatthedeviceisincludedintheBootPriorityOrderlist.

3.PressF12whentheLenovologoappearsonthescreenwhilethecomputerisstartinguptoselect

thedeviceyouwantthecomputerstartsfrom.

Theconnectedexternaldevicedoesnotwork.

Makesurethat:

•DonotconnectordisconnectanyexternaldevicecablesotherthanUSBcableswhilethecomputeris

turnedon;otherwise,youmightdamageyourcomputer.

•WhenusingahighpowerconsumptionexternaldevicessuchasanexternalUSBopticaldrive,use

externaldevicepoweradapter.Otherwise,thedevicemaynotberecognized,orthesystemmightbe

turnedoff.

Formoretechnicalsupport,gotohttp://www.lenovo.com/support.

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Lenovo B480 Manual do Utilizador Página 69