3.ClickMouse,andthenclicktheUltraNavtab.
ForWindowsXP:
1.ClickStart,andthenclickControlPanel.
2.ClickPrintersandOtherHardware.
3.ClickMouse,andthenclicktheUltraNavtab.

Keyboardproblems

•Problem:Allorsomekeysonthekeyboarddonotwork.
Solution:Makesurethatthecorrectdevicedriverisinstalled.
ForWindows7:
1.ClickStart➙ControlPanel.ChangetheviewoftheControlPanelfromCategorytoLargeicons
orSmallicons.
2.ClickKeyboard.
3.SelecttheHardwaretab.IntheDeviceProperties,makesurethattheDeviceStatusisThisdevice
isworkingproperly.
ForWindowsXP:
1.ClickStart➙ControlPanel.
2.ClickPrintersandOtherHardware,andthenclickKeyboard.
3.SelecttheHardwaretab.IntheIntheDeviceProperties,makesurethattheDeviceStatusisThis
deviceisworkingproperly.
Ifkeysonthekeyboardstilldonotwork,havethecomputerserviced.
•Problem:Anumberappearswhenyoutypealetter.
Solution:Thenumericlockfunctionison.T odisableit,pressShift+ScrLkorNmLk.
•Problem:Allorsomekeysontheexternalnumerickeypaddonotwork.
Solution:Makesurethattheexternalnumerickeypadiscorrectlyconnectedtothecomputer.
Displayandmultimediadevices
ThissectionincludesthemostcommondisplayandmultimediadevicesproblemswhichareComputer
screen,Externalmonitor,Audio,andOpticaldrive.Checkthesetopicstolearnmoreinformation.

Computerscreenpr oblems

•Problem:Thescreenisblank.
Solution:Dothefollowing:
–PressF6tobringuptheimage.
–Ifyouareusingtheacpoweradapter,orusingthebatteryandthePowerManagerBatteryGauge
showsthatthebatteryisnotdeplet ed,pressF8tomakethescreenbrighter.
–Ifyourcomputerisinsleep(standby)mode,pressFntoresumefromthesleep(standby)mode.
–Iftheproblempersists,dotheSolutionintheproblembelow.
•Problem:Thescreenisunreadableordistorted.
Solution:Makesurethat:
–Thedisplaydevicedriverisinstalledcorrectly.
Chapter10.Troubleshootingcomputerproblems143