Hardware Maintenance Manual

Toputthecomputerintoscreenblankmode,dothefollowing:
1.Right-clickthebatterygaugeonthetaskbar.
2.SelectPoweroffdisplay.
Toendscreenblankmodeandresumenormaloperation,pressanykey.
Sleepmode
Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen
blankmode:
•TheLCDispoweredoff.
•Thesolid-statedriveispoweredoff.
•Themicroprocessorstops.
Toputyourcomputerintosleepmode,pressFn+4ordothefollowing:
•ForWindows7:OpentheStartmenu,thenclickthearrownexttotheShutdownbutton.ClickSleep
fromthemenudisplayed.
•ForWindows10:OpentheStartmenuand,click
Power,andthenclickSleep.
Toreturntonormaloperation,presstheFnkeyonly.
Incertaincircumstances,thecomputergoesintosleepmodeautomatically:
•Afteraperiodofinactivityspecifiedinpowerplansettings
•Whenthebatterypowerislow
Hibernationmode
Inhibernationmode,thefollowingoccurs:
•Thesystemstatus,RAM,VRAM,andsetupdataarestoredonthesolid-statedrive.
•Thesystemispoweredoff.
Note:Ifthecomputerentersthehibernationmodewhileitisdockedtothedockingstationortheport
replicator,donotundockitbeforeresumingnormaloperation.Ifyoudoundockitandthentrytoresume
normaloperation,youwillgetanerrormessage,andyouwillhavetorestartthesystem.
Ifyouhavedefinedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation
mode,performthataction.
•Closingthelid.
•Pressingthepowerbutton.
Also,thecomputergoesintohibernationmodeautomaticallyafteraperiodofinactivityspecifiedinpower
plansettings.
Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The
hibernationfileinthebootrecordonthesolid-statedriveisread,andsystemstatusisrestoredfromthe
solid-statedrive.
Symptom-to-FRUindex
Thissectioncontainsfollowinginformation:
•“Numericerrorcodes”onpage35
•“Errormessages”onpage36
34ThinkPadT460sHardwareMaintenanceManual