Personal Computer User Manual

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Thefollowingillustrationshowsthelocationofcontrolsandcomponentsonthefrontofthecomputer.
Attention:Becarefulnottoblockanyairventsonthecomputer.Blockedairventscancauseoverheating.
1.Powerbutton5.Headphoneconnector
2.Memorycardreader(selectedmodelsonly)6.OpticalDrive(selectedmodelsonly)
3.USBconnectors
7.Harddiskdriveindicator
4.Opticaldriveejectbutton
8.Microphoneconnector
Attention:TheeffectiverangeoftheBuilt-inIREmitteris10feet(3m).
22LenovoH520sHardwareMaintenanceManual