Lenovo ThinkPad T470 Hardware Maintenance Manual

Ifyouhavedefinedoneofthefollowingactionsastheeventthatcausesthesystemtogointohibernation
mode,performthataction.
•Closingthelid.
•Pressingthepowerbutton.
Also,thecomputergoesintohibernationmodeautomaticallyafteraperiodofinactivityspecifiedinpower
plansettings.
Whenthepoweristurnedon,thecomputerreturnsfromhibernationmodeandresumesoperation.The
hibernationfileinthebootrecordontheharddiskdriveorsolid-statedriveisread,andsystemstatusis
restoredfromtheharddiskdriveorsolid-statedrive.
Symptom-to-FRUindex
Thissectioncontainsfollowinginformation:
•“Numericerrorcodes”onpage37
•“Errormessages”onpage39
•“Beeperrors”onpage39
•“No-beepsymptoms”onpage40
•“LCD-relatedsymptoms”onpage41
•“Intermittentproblems”onpage41
•“Undeterminedproblems”onpage41
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”onpage41
.
Note:ForadevicenotsupportedbydiagnosticcodesintheThinkPadnotebookcomputers,seethe
manualforthatdevice.
Numericerrorcodes
Table2.Numericerrorcodes
Symptomorerror
FRUoraction,insequence
0177
BadSVPdata,stopPOSTtask—Thechecksumofthe
supervisorpasswordintheEEPROMisnotcorrect.
Replacethesystemboard.
0183
BadCRCofSecuritySettingsinEFIVariable.Enterthe
ThinkPadSetupprogram.–ThechecksumoftheSecurity
settingsintheEFIVariableisnotcorrect.
1.RuntheThinkPadSetupprogram.Thesettings
willbecorrectedautomatically.Thensavethe
currentsettingsbypressingF10.
2.Replacethesystemboard.
Chapter4.Relatedserviceinformation37

Lenovo ThinkPad T470 Specifications

General

RAM	Up to 32GB DDR4
Operating System	Windows 10 Pro
Bluetooth	Bluetooth 4.1
Processor	Up to 7th Generation Intel Core i7
Storage	Up to 1 TB HDD or Up to 512 GB SSD
Display	14" FHD (1920 x 1080) IPS
Graphics	Intel HD Graphics 620
Battery Life	Up to 18 hours
Ports	2 x USB 3.0, 1 x USB-C, HDMI, Ethernet, SD card reader
Wireless	Intel® Dual Band Wireless-AC 8265
Weight	Starting at 1.58 kg (3.48 lbs)