1 Getting to know your Extensa28English you can put the computer in Sleep mode by pressing Fn-Esc. Then closeand latch the display.When you are ready to use the computer again, unlatch and open thedisplay; then press and release the power button.Note: If the sleep indicator is off, the computer has enteredHibernation mode and turned off. If the power indicator is off butthe sleep indicator is on, the computer has entered Sleep mode. Inboth cases, press and release the power button to turn thecomputer back on. Note that the computer may enter Hibernationmode after it is in Sleep mode for a period of time.What to bring to short meetingsA fully charged battery runs the computer for about 4.5 hours. If yourmeeting is shorter than that, you probably do not need to bringanything with you other than the computer.What to bring to long meetingsIf your meeting lasts longer than 4.5 hours, or if your battery is notfully charged, you may want to bring the AC adapter with you to plugin your computer in the meeting room.If the meeting room does not have an electrical outlet, reduce thedrain on the battery by putting the computer in Sleep mode. PressFn-Esc or close the display cover whenever you are not actively usingthe computer. To resume, open the display (if closed); then press andrelease the power button.Taking the computer home“when you are moving from your office to your home or vice versa”Preparing the computerAfter disconnecting the computer from your desktop, follow thesesteps to prepare the computer for the trip home: