Lenovo E455 Technical Information PDF herunterladen (Seite 47)

•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddiskdrive,hybriddrive,or

solid-statedrive.

•Thesystemispoweredoff.

Note:Ifthecomputerentersthehibernationmodewhileitisdockedtothedockingstationortheport

replicator,donotundockitbeforeresumingnormaloperation.Ifyoudoundockitandthentrytoresume

normaloperation,youwillgetanerrormessage,andyouwillhavetorestartthesystem.

Ifyouhavedeﬁnedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation

mode,performthataction.

•Closingthelid.

•Pressingthepowerbutton.

Also,thecomputergoesintohibernationmodeautomaticallyafteraperiodofinactivityspeciﬁedinpower

plansettings.

Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The

hibernationﬁleinthebootrecordontheharddiskdrive,hybriddrive,orsolid-statedriveisread,andsystem

statusisrestoredfromtheharddiskdrive,hybriddrive,orsolid-statedrive.

Symptom-to-FRUindex

Thissectioncontainsfollowinginformation:

•“Numericerrorcodes”onpage42

•“Errormessages”onpage43

•“Beepsymptoms”onpage43

•“No-beepsymptoms”onpage44

•“LCD-relatedsymptoms”onpage44

•“Intermittentproblems”onpage44

•“Undeterminedproblems”onpage45

Thesymptom-to-FRUindexinthissectionlistssymptomsanderrorsandtheirpossiblecauses.Themost

likelycauseislistedﬁrst,inboldfacetype.

Note:DotheFRUreplacementorotheractionsinthesequenceshowninthecolumnheaded“FRUor

action,insequence.”IfreplacingaFRUdoesnotsolvetheproblem,puttheoriginalpartbackinthe

computer.DonotreplaceanondefectiveFRU.

Thisindexcanalsohelpyoudetermine,duringregularservicing,whatFRUsarelikelytoneedtobe

replacednext.

AnumericerrorisdisplayedforeacherrordetectedinPOSTorsystemoperation.Inthedisplays,ncan

beanynumber.

Ifnonumericcodeisdisplayed,checkthenarrativedescriptionsofsymptoms.Ifthesymptomisnot

describedthere,goto“Intermittentproblems”onpage44.

Note:ForadevicenotsupportedbydiagnosticcodesintheThinkPadnotebookcomputers,seethe

manualforthatdevice.

Chapter4.Relatedserviceinformation41

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Lenovo E455 Technical Information Seite 47