Lenovo THINKPAD L520 - Display and Multimedia Devices

–Whenthecomputerresumesnormaloperation.
–WhentheTrackPointispressedforalongtime.
–Whenthetemperaturechanges
•Problem:TheTrackPointortouchpaddoesnotwork.
Solution:MakesurethattheTrackPointortouchpadissettoEnabledintheUltraNavDeviceSetting.
Note:ToopentheUltraNavDeviceSetting,pressFn+F8.
Keyboardproblems
•Problem:Allorsomekeysonthekeyboarddonotwork.
Solution:Ifanexternalnumerickeypadisconnected:
1.Turnoffthecomputer.
2.Removetheexternalnumerickeypad.
3.Turnonthecomputerandtryusingthekeyboardagain.
Ifthekeyboardproblemisresolved,carefullyreconnecttheexternalnumerickeypad,externalkeyboard,
makingsurethatyouhaveseatedtheconnectorsproperly.
Iftheproblemremains,makesurethatthecorrectdevicedriverisinstalled.
ForWindows7:
1.ClickStart➙ControlPanel.ChangetheviewoftheControlPanelfromCategorytoLargeicons
orSmallicons.
2.ClickKeyboard.
3.SelecttheHardwaretab.IntheDeviceProperties,makesurethattheDeviceStatusisThisdevice
isworkingproperly.
ForWindowsVista:
1.ClickStart➙ControlPanel.
2.ClickHardwareandSound,andthenclickKeyboard.
3.SelecttheHardwaretab.IntheDeviceProperties,makesurethattheDeviceStatusisThisdevice
isworkingproperly.
ForWindowsXP:
1.ClickStart➙ControlPanel.
2.ClickPrintersandOtherHardware,andthenclickKeyboard.
3.SelecttheHardwaretab.IntheIntheDeviceProperties,makesurethattheDeviceStatusisThis
deviceisworkingproperly.
Ifkeysonthekeyboardstilldonotwork,havethecomputerserviced.
•Problem:Anumberappearswhenyoutypealetter.
Solution:Thenumericlockfunctionison.Todisableit,pressShift+ScrLkorFn+NmLk.
•Problem:Allorsomekeysontheexternalnumerickeypaddonotwork.
Solution:Makesurethattheexternalnumerickeypadiscorrectlyconnectedtothecomputer.
Displayandmultimediadevices
Thissectionincludesthemostcommondisplayandmultimediadevicesproblems.
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