Toshiba PROL550 Laptop User Manual


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SatelliteL550/ProL550SeriesMaintenanceManual iii
Preface
ThismaintenancemanualdescribeshowtoperformhardwareservicemaintenancefortheToshiba
PersonalComputerSatellite,referredtoastheSatelliteSeriesinthismanual.
Theproceduresdescribedinthismanualareintendedtohelpservicetechniciansisolatefaulty
FieldReplaceableUnits(FRUs)andreplacetheminthefield.
SAFETYPRECAUTIONS
Fourtypesofmessagesareusedinthismanualtobringimportantinformationtoyourattention.
Eachofthesemessageswillbeitalicizedandidentifiedasshownbelow.
DANGER: “Danger”indicatestheexistenceofahazardthatcouldresultindeathor
seriousbodilyinjuryifthesafetyinstructionisnotobserved.
WARNING: “Warning”indicatestheexistenceofahazardthatcouldresultinbodily
injuryifthesafetyinstructionisnotobserved.
CAUTION: “Caution”indicatestheexistenceofahazardthatcouldresultinproperty
damageifthesafetyinstructionisnotobserved.
NOTE: “Note”containsgeneralinformationthatrelatestoyoursafemaintenance
service.
Improperrepairofthecomputermayresultinsafetyhazards.Toshibarequiresservicetechnicians
andauthorizeddealersorserviceproviderstoensurethefollowingsafetyprecautionsareadhered
tostrictly.
Besuretofastenscrewssecurelywiththerightscrewdriver.Ifascrewisnotfullyfastened,it
couldcomeloose,creatingadangerofashortcircuit,whichcouldcauseoverheating,
smokeorfire.
IfyoureplacethebatterypackorRTCbattery,besuretouseonlythesamemodelbatteryor
anequivalentbatteryrecommendedbyToshiba.Installationofthewrongbatterycancause
thebatterytoexplode.
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