Lenovo ThinkPad Edge E145 - Power Management Overview

DisablingtheUltraNavpointingdeviceandusinganexternalmouse
IfyouattachanexternalmousetoaUSBconnector,youcanusetheexternalmousesimultaneouslywith
theTrackPointpointingdeviceandthetouchpad.
DisablingtheTrackPointorthetouchpad
TodisabletheTrackPointorthetouchpad,dothefollowing:
1.GotoControlPanelandclickHardwareandSound➙Mouse➙UltraNav.
2.TodisabletheTrackPointpointingdevice,clearthecheckboxforEnableTrackPoint.
Todisablethetouchpad,clearthecheckboxforEnableT ouchPad.
3.ClickOK.
Note:YoucanalsochangetheUltraNavpointingdevicesettingsbyclickingtheUltraNaviconinthe
Windowsnoticationarea.TodisplaytheUltraNaviconintheWindowsnoticationarea,see“Addingthe
UltraNavicontotheWindowsnoticationarea”onpage24
.
AddingtheUltraNavicontotheWindowsnoticationarea
ForeasyaccesstotheUltraNavproperties,youcanenablethedisplayoftheUltraNaviconintheWindows
noticationarea.
ToenablethedisplayoftheUltraNaviconintheWindowsnoticationarea,dothefollowing:
1.GotoControlPanelandclickHardwareandSound➙Mouse.
2.IntheMousePropertieswindow,clicktheUltraNavtab.
3.SelectthecheckboxforShowUltraNavicononthesystemtray.
4.ClickOK.
YoucannowchangethepropertiesoftheUltraNavpointingdevicebyclickingtheUltraNaviconinthe
Windowsnoticationarea.
Powermanagement
Whenyouneedtouseyourcomputerawayfromelectricaloutlets,youdependonbatterypowertokeep
yourcomputerrunning.Differentcomputercomponentsconsumepoweratdifferentrates.Themoreyou
usethepower-intensivecomponents,thefasteryouconsumebatterypower.
SpendmoretimeunpluggedwithThinkPadbatteries.Mobilityhasrevolutionizedbusinessbyallowing
youtotakeyourworkwhereveryougo.WithThinkPadbatteries,youwillbeabletoworklongerwithout
beingtiedtoanelectricaloutlet.
Checkingthebatterystatus
ThebatterystatusiconintheWindowsnoticationareadisplaysthepercentageofbatterypowerremaining.
Therateatwhichyouusebatterypowerdetermineshowlongyoucanusethebatteryofyourcomputer
betweencharges.Becauseofdifferentuserhabitsandneeds,itisdifculttopredicthowlongabattery
chargewilllast.Therearetwomainfactors:
•Howmuchenergyisstoredinthebatterywhenyoubegintowork.
•Thewayyouuseyourcomputer.Forexample:
–Howoftenyouaccesstheharddiskdrive.
–Howbrightyoumakethecomputerdisplay.
24UserGuide