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Updating(flashing)theBIOSfromyouroperatingsystem
Note:BecauseLenovomakesconstantimprovementstoitsWebsites,theWebpagecontentsaresubject
tochangewithoutnotice,includingthecontentsreferencedinthefollowingprocedure.
Toupdate(flash)theBIOSfromyouroperatingsystem,dothefollowing:
1.Gotohttp://www.lenovo.com/support.
2.ClickDownloadDrivers&Software.
3.ClickUseQuickPath.
4.Typethe4-digitmachinetypeforyourcomputerintheQuickPathfieldandthenclickFindMyProduct.
5.ClickBIOS.
6.LocatetheBIOSversionthatyouwanttodownload.
7.ClickClickforfiles.Allavailablefileswillbedisplayed.
8.Clickthelinkforthereadmefilethatcontainstheinstructionsforupdating(flashing)theBIOSfrom
youroperatingsystem.
9.Printtheseinstructions.Thisisveryimportantbecausetheseinstructionswillnotbedisplayedon
thescreenafterthedownloadbegins.
10.Followtheprintedinstructionstodownload,extract,andinstalltheupdate.
RecoveringfromaPOST/BIOSupdatefailure
IfthepowertoyourcomputerisinterruptedwhilethePOSTandBIOSisbeingupdated,yourcomputer
mightnotrestartcorrectly.Ifthishappens,performthefollowingproceduretorecoverfromthePOSTand
BIOSupdatefailure.ThisprocedureiscommonlycalledBoot-blockRecovery.
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Openthecomputercover.See“Removingthecomputercover”onpage80.
3.Removetheharddiskdrive.See“Replacingtheharddiskdrive”onpage82
4.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Locatingpartsonthesystem
board”onpage73.
5.RemoveanycablesthatimpedeaccesstotheClearCMOS/Recoveryjumper.
6.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).
7.ReconnectanycablesthatweredisconnectedandreinstallthePCIcardifremoved.
8.Closethecomputercoverandreconnectthepowercordsforthecomputerandmonitortoelectrical
outlets.See“Completingthepartsreplacement”onpage126.
9.TurnonthecomputerandtheninsertthePOSTandBIOSupdate(flashupdate)discintotheoptical
drive.Waitafewminutes.Then,therecoverysessionbegins.Therecoverysessionwilltaketwoto
threeminutes.Duringthistime,awarningmessagewillbedisplayedandnoactionisneededfromyou.
10.Aftertherecoverysessioniscompleted,therewillbenovideo,andyourcomputerwillautomatically
turnoff.
11.Repeatstep1throughstep5.
12.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).
13.ReconnectanycablesthatweredisconnectedandreinstallthePCIcardifremoved.
14.Closethecomputercoverandreconnectanycablesthatweredisconnected.
15.Turnonthecomputertorestarttheoperatingsystem.
Chapter10.Additionalserviceinformation131
- ThinkCentreE93z 1
- HardwareMaintenanceManual 1
- ThirdEdition(January2014) 2
- GS-35F-05925 2
- Contents 3
- Chapter10.Additionalservice 4
- AppendixA.Notices.........133 4
- Index.................135 4
- Chapter1.Aboutthismanual 5
- Chapter2.Safetyinformation 7
- Safetyinspectionguide 9
- Groundingrequirements 10
- Chapter2.Safetyinformation7 11
- .Safetyinformation9 13
- Chapter2.Safetyinformation11 15
- .Safetyinformation13 17
- .Safetyinformation15 19
- Chapter2.Safetyinformation17 21
- ≥18kg≥32kg≥55kg 23
- .Safetyinformation21 25
- Chapter2.Safetyinformation25 29
- Chapter3.Generalinformation 33
- Specifications 34
- Lenovoprograms 34
- Chapter3.Generalinformation31 35
- LenovoSupportWebsite 36
- Chapter4.Generalcheckout 37
- Basictroubleshooting 39
- Troubleshootingprocedure 40
- Troubleshooting 41
- Audioproblems 41
- NoaudioinWindows 42
- CDproblems 43
- DVDproblems 44
- Intermittentproblems 45
- Harddiskdriveproblems 45
- Monitorproblems 48
- Networkingproblems 50
- Optionproblems 52
- Performanceandlockupproblems 53
- Printerproblems 55
- Serialportproblems 55
- Softwareproblems 56
- USBproblems 57
- Diagnostics 57
- LenovoSolutionCenter 58
- Viewingandchangingsettings 59
- Usingpasswords 59
- Passwordconsiderations 60
- Power-onpassword 60
- Administratorpassword 60
- Enablingordisablingadevice 61
- Selectingastartupdevice 61
- EnablingErPcompliancemode 62
- ExitingtheSetupUtilityprogram 63
- Chapter7.Symptom-to-FRUIndex 65
- POSTerrorcodes 66
- Miscellaneouserrorconditions 67
- Undeterminedproblems 69
- Chapter8.Locations 71
- .Locations69 73
- LocatingmajorFRUsandCRUs 74
- .Locations71 75
- LookingupFRUinformation 76
- Locatingpartsonthesystemboard 77
- Chapter9.ReplacingFRUs 79
- Figure5.Removingtheframestand 80
- Chapter9.ReplacingFRUs77 81
- Chapter9.ReplacingFRUs79 83
- Removingthecomputercover 84
- Replacingthefeet 85
- Replacingtheharddiskdrive 86
- Chapter9.ReplacingFRUs83 87
- Replacingtheopticaldrive 88
- Chapter9.ReplacingFRUs85 89
- .ReplacingFRUs87 91
- .ReplacingFRUs89 93
- ReplacingtherearI/Oassembly 94
- .ReplacingFRUs91 95
- 1andthepowercable2.Alignthe 96
- 3tosecuretheearthwire 96
- Chapter9.ReplacingFRUs93 97
- .ReplacingFRUs95 99
- Replacingthemicroprocessorfan 101
- Replacingtheheatsinkassembly 103
- Replacingthemicroprocessor 104
- Chapter9.ReplacingFRUs101 105
- 4ofthemicroprocessorsocket 106
- Replacingthecardreader 107
- ReplacingtheGPUfan 108
- .ReplacingFRUs105 109
- Replacingthebattery 110
- Replacingtheconverterboard 111
- Attention: 113
- Replacingtheinternalspeakers 114
- Chapter9.ReplacingFRUs111 115
- Replacingtheintegratedcamera 116
- .ReplacingFRUs113 117
- Replacingthesystemboard 118
- Chapter9.ReplacingFRUs115 119
- ReplacingtheLCDpanelassembly 121
- Chapter9.ReplacingFRUs119 123
- ReplacingtheWi-Ficard 125
- Figure66.RemovingtheWi-Ficard 126
- Replacingthekeyboardormouse 127
- Replacingthewirelesskeyboard 128
- Replacingthewirelessmouse 128
- Chapter9.ReplacingFRUs125 129
- Completingthepartsreplacement 130
- Chapter9.ReplacingFRUs127 131
- ©CopyrightLenovo2013,2014 133
- Powermanagement 136
- AutomaticPower-onfeatures 136
- AppendixA.Notices 137
- Televisionoutputnotice 138
- EuropeanconformanceCEmark 138
- Trademarks 138
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