Hardware Maintenance Manual - Lenovo Y40 50 Series

25
Related service information
Power management
Note:
PowermanagementmodesarenotsupportedforAPMoperatingsystem.
Toreducepowerconsumption,the computerhasthreepowermanagement
modes:screenblank,sleep(standby),andshutdown.
Screen blank state
Ifthetimesetonthe“Turnoffmonitor”timerinthe operatingsystem expires,
theLCDbacklightturns off.Youcanalso turnofftheLCDbacklightby
pressing
Fn +

F2.
Toendscreenblankstateandresumenormaloperation,pressanykey.
Putting the computer to sleep or shutting it down
Whenyouhavenishedworkingwithyourcomputer,youcanputittosleepor
shutitdown.
Putting your computer to sleep
Ifyouwillbeawayfromyourcomputerforonlyashorttime,putthecomputerto
sleep.Whenthecomputerisinsleepmode,youcanquicklywakeittoresume
use,bypassingthestartupprocess.Toputthecomputertosleep,dooneofthe
following:
•
Closethedisplaypanel.
• Pressthepowerbutton.
• OpentheCharmsandthenselect
Settings

→
Power

→
Sleep.
Attention:
Waituntilthepowerindicatorlightstartsblinking(indicatingthat
thecomputerisinsleepmode)before youmoveyourcomputer.Movingyour
computerwhile thehard diskisspinningcandamagetheharddisk,causing
lossofdata.
Towakethecomputer,dooneofthefollowing:
• Pressanykeyonthekeyboard.
• Pressthepowerbutton.
Shutting down the computer
Ifyouarenotgoingtouseyourcomputerforalongtime,shutitdown.Toshut
downyourcomputer:
• Openthecharmsbar,thenselect
Settings

→
Power

→
Shut down.
•
Right-clickthe
Start
buttoninthelower-leftcornerandselect
Shut down or
sign out

→

Shut down.