4ReplacementProcedures Error!UsetheHometabtoapply2tothetextthatyouwantto
appearhere.Error!UsetheHometabtoapply2tothetextthatyouwanttoappearhere.
SatelliteL550MaintenanceManual 4-4
CAUTION:
1. Beforereplacingacomponent,makesurethatthereplacementcomponentmeetsthe
requiredspecifications.Toavoidlaptopfailures,neverusecomponentsthatdonotmeet
thespecifications.
2. Toavoidinternaldamagesuchasshortcircuitsandfire,neverdropmetalobjectssuch
asscrews,pins,paperclips,etc.intothecomponents.Whenascrewisremoved,besure
toreplaceascrewthatisthesamesizeastheoriginalscrew.Makesurethatallthe
screwsarefastenedsecurely.Loosescrewscancauseshortcircuits,overheating,smoke,
orfire.
3. BeforeremovingaFRUorothercomponent,makesurethatallthecomponentcables
havebeendisconnectedtoavoidtheriskofelectricalshockcausedbyaccidentalcontact
withtheenergizedcomponents.
4. ForACinput,besuretousetheACadapterandACpowercablethatcomewithyour
laptoporToshiba-recommendedequivalents.
5. Toavoidtheriskofelectricalshock,makesurethatallthereplacementcomponents
meetthespecificationsofthelaptopandthatallthecablesandconnectorsarefastened
securely.
6. InsidethePCarecomponentsthatbecomehotduringoperation(suchastheCPUand
coolingmodule).Toavoidburns,letthehotcomponentscooldownbeforestarting
inspectionorrepairtask.