ThinkPad E550 - Symptom-to-FRU Index

•Theharddiskdriveorsolid-statedriveispoweredoff.
•Themicroprocessorstops.
Toentersleepmode,dooneofthefollowing:
•ForWindows7:ClickthearrowbesidetheShutdownicon,andthenselectSleep.Toreturnfrom
sleepmode,pressanykey.
•ForWindows8.1:Movethepointertothetop-rightorbottom-rightcornerofthescreentobringupthe
charms.ThenclickSettings➙Power➙Sleep.
Incertaincircumstances,thecomputergoesintosleepmodeautomatically:
•Afteraperiodofinactivityspecifiedinpowerplansettings
•Whenthebatterypowerislow
Tocausethecomputertoreturnfromsleepmodeandresumeoperation,dooneofthefollowing:
•Pressanykey.
•OpentheLCDcover.
•Turnonthepowerbutton.
Also,ineitherofthefollowingevents,thecomputerautomaticallyreturnsfromsleepmodeandresumes
operation:
•Theringindicator(RI)issignaledbyaserialdeviceoraPCCarddevice.
•Thetimesetontheresumetimerelapses.
Note:Thecomputerdoesnotacceptanyinputimmediatelyafteritenterssleepmode.Waitafew
secondsbeforetakinganyactiontoreenteroperationmode.
Hibernationmode
Inhibernationmode,thefollowingoccurs:
•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdriveorsolid-statedrive.
•Thesystemispoweredoff.
Note:Ifthecomputerentersthehibernationmodewhileitisconnectedtothedock,donotdisconnectit
beforeresumingnormaloperation.Ifyoudodisconnectitandthentrytoresumenormaloperation,youwill
getanerrormessage,andyouwillhavetorestartthesystem.
Ifyouhavedefinedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation
mode,performthataction.
•Closingthelid.
•Pressingthepowerbutton.
Also,thecomputergoesintohibernationmodeautomaticallyafteraperiodofinactivityspecifiedinpower
plansettings
Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The
hibernationfileinthebootrecordontheharddiskdriveorsolid-statedriveisread,andsystemstatusis
restoredfromtheharddiskdriveorsolid-statedrive.
Symptom-to-FRUindex
Thissectioncontainsfollowinginformation:
•“Numericerrorcodes”onpage44
Chapter4.Relatedserviceinformation43