Lenovo 3093AC6 Bedienungsanleitung Seite 66

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Seitenansicht 65
Torquedriver
Ifyouhaveatorquedriver,refertothe“Torque”columnforeachstep.
Makesurethatyouusethecorrectscrew.Ifyouhaveatorquescrewdriver,tightenallscrewsrmlytothe
torqueshowninthetable.Neveruseascrewthatyouremoved.Useanewone.Makesurethatall
ofthescrewsaretightenedrmly.
Ensuretorquescrewdriversarecalibratedcorrectlyfollowingcountryspecications.
Retainingserialnumbers
Thissectionincludesthefollowingdescriptions:
“Restoringtheserialnumberofthesystemunit”onpage58
“RetainingtheUUID”onpage59
“ReadingorwritingtheECAinformation”onpage59
Restoringtheserialnumberofthesystemunit
Whenthecomputerwasmanufactured,theEEPROMonthesystemboardwasloadedwiththeserial
numbersofthesystemandallmajorcomponents.Thesenumbersneedtoremainthesamethroughout
thelifeofthecomputer.
Ifyoureplacethesystemboard,youmustrestoretheserialnumberofthesystemunittoitsoriginalvalue.
Beforereplacingthesystemboard,savetheoriginalserialnumberbydoingthefollowing:
1.InstalltheThinkPadHardwareMaintenanceDisketteVersion1.73orlater,andrestartthecomputer.
2.Fromthemainmenu,select1.SetSystemIdentication.
3.Select2.ReadS/NdatafromEEPROM.
Theserialnumberofeachdeviceinyourcomputerisdisplayed;theserialnumberofthesystemunitis
listedasfollows:
20:Serialnumber
Writedownthatnumber.
Note:Theserialnumberofthesystemunitisalsowrittenonthelabelattachedtothebottomofthecomputer.
Afteryouhavereplacedthesystemboard,restoretheserialnumberbydoingthefollowing:
1.InstalltheThinkPadHardwareMaintenanceDisketteVersion1.73orlaterandrestartthecomputer.
2.Fromthemainmenu,select1.SetSystemIdentication.
3.Select1.AddS/NdatafromEEPROM.Followtheinstructionsonthescreen.
IftheMTMandProductIDnumbersdifferfromeachotherontherearlabel,usewhatisshownforthe
ProductIDeld.Seeexamplebelow:
58ThinkPadX200TabletandX201TabletHardwareMaintenanceManual
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