Lenovo L430 Podręcznik Użytkownika Pobierz pdf (Strona 152)

UltraNavpointingdeviceproblems

•Problem:Thepointerdriftswhenthecomputeristurnedonorafteritresumesnormaloperation.

Solution:ThepointermightdriftwhenyouarenotusingtheTrackPointpointingdeviceduringnormal

operation.ThisisanormalcharacteristicoftheTrackPointpointingdeviceandisnotadefect.Pointer

driftingmightoccurforseveralsecondsunderthefollowingconditions:

–Whenthecomputeristurnedon.

–Whenthecomputerresumesnormaloperation.

–WhentheTrackPointpointingdeviceispressedforalongtime.

–Whenthetemperaturechanges

•Problem:TheTrackPointpointingdeviceortouchpaddoesnotwork.

Solution:EnsurethattheTrackPointpointingdeviceortouchpadissettoEnabledintheUltraNav

DeviceSetting.

Akeyboardproblem

Problem:Allorsomekeysonthekeyboarddonotwork.

Solution:Ifanexternalnumerickeypadisconnected:

1.Turnoffthecomputer.

2.Removetheexternalnumerickeypad.

3.Turnonthecomputerandtryusingthekeyboardagain.

Ifthekeyboardproblemisresolved,carefullyreconnecttheexternalnumerickeypad,externalkeyboard,

makingsurethatyouhaveseatedtheconnectorsproperly.

Iftheproblemremains,ensurethatthecorrectdevicedriverisinstalled.

1.ClickStart➙ControlPanel.ChangetheviewoftheControlPanelfromCategorytoLargeicons

orSmallicons.

2.ClickKeyboard.

3.SelecttheHardwaretab.IntheDeviceProperties,ensurethattheDeviceStatusisThisdevice

isworkingproperly.

Ifkeysonthekeyboardstilldonotwork,havethecomputerserviced.

Problemswithdisplayandmultimediadevices

Thistopicincludesthemostcommonproblemswithdisplaysandmultimediadevices,includingthe

computerdisplay,theexternalmonitor,audiodevices,andtheopticaldiskdrive.

Computerscreenproblems

•Problem:Thescreenisblank.

Solution:Dothefollowing:

–PressFn+F7tobringuptheimage.

–Ifyouareusingtheacpoweradapter,orusingthebatteryandthebatterystatusindicatorison(is

green),pressFn+F9tomakethescreenbrighter.

–Ifthesleepstatusindicatorison(isgreen),pressFntoresumefromthesleepmode.

–Iftheproblempersists,followthesolutionforthefollowingproblems.

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Lenovo L430 Podręcznik Użytkownika Strona 152