•Theringindicator(RI)issignaledbyaserialdeviceoraPCCarddevice.(doesnotsupportthering
indicator(RI)resumebyPCCarddevice.)
•Thetimesetontheresumetimerelapses.
Note:Thecomputerdoesnotacceptanyinputimmediatelyafteritenterssleep(standby)mode.Waita
fewsecondsbeforetakinganyactiontoreenteroperationmode.
Hibernationmode
Inhibernationmode,thefollowingoccurs:
•Thesystemstatus,RAM,VRAM,andsetupdataarestoredontheharddisk.
•Thesystemispoweredoff.
Tocausethecomputertoenterhibernationmode,doanyofthefollowing:
•PresstheFn+F12keys.
•Ifyouhavedenedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation
mode,performthataction.
–Closingthelid.
–Pressingthepowerbutton.
–PressingFn+F4keys.
Also,thecomputergoesintohibernationmodeautomaticallyineitherofthefollowingconditions:
•Ifa“hibernationtime”hasbeensetonthetimer,andiftheuserdoesnotdoanyoperationwiththe
keyboard,the
TrackPoint,theharddiskdrive,theparallelconnector,orthediskettedrivewithinthattime.
•Ifthetimerconditionsaresatisedinsuspendmode.
Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The
hibernationleinthebootrecordontheharddiskdriveisread,andsystemstatusisrestoredfromthe
harddiskdrive.
Symptom-to-FRUindex
Thissectioncontainsfollowinginformation:
•“Numericerrorcodes”onpage41
•“Errormessages”onpage45
•“Beepsymptoms”onpage46
•“No-beepsymptoms”onpage47
•“LCD-relatedsymptoms”onpage47
•“Intermittentproblems”onpage48
•“Undeterminedproblems”onpage48
Thesymptom-to-FRUindexinthissectionlistssymptomsanderrorsandtheirpossiblecauses.Themost
likelycauseislistedrst,inboldfacetype.
Note:DotheFRUreplacementorotheractionsinthesequenceshowninthecolumnheaded“FRUor
action,insequence.”IfreplacingaFRUdoesnotsolvetheproblem,puttheoriginalpartbackinthe
computer.DonotreplaceanondefectiveFRU.
Thisindexcanalsohelpyoudetermine,duringregularservicing,whatFRUsarelikelytoneedtobe
replacednext.
40ThinkPadX200TabletandX201TabletHardwareMaintenanceManual
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