Sharp VL-E40S Informações Técnicas descarregar pdf (Página 60)

•T orquedriver

Ifyouhaveatorquedriver,refertothe“Torque”inthescrewinformationtableforeachstep.

•Makesurethatyouusethecorrectscrew.Itisrecommendedtousenewscrewsforreplacements.If

youhaveatorquescrewdriver,tightenallscrewsrmlytothetorquespeciedinthescrewinformation

tableforeachstep.

•Ensuretorquescrewdriversarecalibratedcorrectlybyfollowingcountryspecications.

Retainingserialnumbers

Thistopicprovidesinstructionsonthefollowing:

•“Restoringtheserialnumberofthesystemunit”onpage54

•“RetainingtheUUID”onpage55

•“ReadingorwritingtheECAinformation”onpage55

Restoringtheserialnumberofthesystemunit

Whenthecomputerwasmanufactured,theEEPROMonthesystemboardwasloadedwiththeserial

numbersofthesystemandallmajorcomponents.Thesenumbersneedtoremainthesamethroughout

thelifeofthecomputer.

Ifyoureplacethesystemboard,youmustrestoretheserialnumberofthesystemunittoitsoriginalvalue.

Beforereplacingthesystemboard,savetheoriginalserialnumberbydoingthefollowing:

1.InstallthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,

andthenrestartthecomputer.

2.Fromthemainmenu,select1.Setsystemidentication.

3.Turnoffthecomputer,andthenturnonthecomputeragain.

4.WhentheThinkPadlogoisdisplayed,pressEsc.

5.Select2.ReadS/NdatafromEEPROMandfollowtheinstructionsonthescreen.Theserialnumberof

eachdeviceinyourcomputerisdisplayed;theserialnumberofthesystemunitislistedasfollows:

•20Serialnumber

6.Writedownthatnumber.

Note:Theserialnumberofthesystemunitisalsowrittenonthelabelattachedtothebottomofthe

computer.

Afteryouhavereplacedthesystemboard,restoretheserialnumberbydoingthefollowing:

1.InstallthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,

andthenrestartthecomputer.

2.Fromthemainmenu,select1.Setsystemidentication.

3.Turnoffthecomputer,andthenturnonthecomputeragain.

4.WhentheThinkPadlogoisdisplayed,pressEsc.

5.Select1.AddS/NdatafromEEPROM.Followtheinstructionsonthescreen.

54HardwareMaintenanceManual

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Sharp VL-E40S Informações Técnicas Página 60