12.Reinstallanypartsandreconnectanycablesthathavebeenremovedordisconnected.
13.Closethecomputercoverandreconnectpowercordsandallotherexternalcables.Seeā€œCompleting
thepartsreplacementā€onpage52.
14.Turnonthecomputerandremovethediscfromtheopticaldrive.
Chapter5.Updatingsystemprograms67