Note:IfyoudonotremovethecardfromyourcomputerafteryouejectthecardfromtheWindows
operatingsystem,thecardcannolongerbeaccessed.Toaccessthecard,youmustremoveitonce,
theninsertitagain.
UsingUSBconnectors
YourcomputerispreinstalledwithUSBconnectorscompatiblewithUSB1.1,2.0,or3.0devices.
Note:WhenusingahighpowerconsumptionUSBdevicesuchasaUSBopticaldrive,usethepower
adapterthatcomeswiththedevice.Otherwise,thedevicemaynotberecognized,andthesystemmightbe
shutdown.
UsingtheNVIDIAOptimusGraphicsfeature
SomeLenovonotebookcomputerssupportNVIDIAOptimusGraphics.
NVIDIAOptimusGraphicsenablesadynamicswitch,thatis,aswitchwithnoneedtorestartyourcomputer
betweenHighPerformanceandEnergySaving.
SwitchingtheGraphicsProcessingUnit
IfyourcomputersupportsNVIDIAOptimusGraphics,theGraphicsProcessingUnitisswitchedautomatically
dependingonthepowersettingsyouuse.
Chapter2.Usingyourcomputer19
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