Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwaitthreetove
minutestoletthecomputercoolbeforeremovingthecomputercover.
Toreplacethemicroprocessor,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Openthecomputercover.See“Openingthecomputercover”onpage72.
3.Locatethesystemboardanddisconnectallcablesconnectedtothesystemboard.See“Locating
partsonthesystemboard”onpage71.
4.Pressinwardonthetwosidetabsandthenpivotthesystemboardtoreleaseitfromthechassis.
Figure19.Releasingthesystemboard
5.Placethesystemboardonacleanandatsurface.
6.Removetheheatsink.See“Replacingtheheatsink”onpage81.
Note:Placetheheatsinkonitssidesothatthethermalgreaseonthebottomofitdoesnotgetin
contactwithanything.
Chapter8.ReplacingFRUs83