User guide
Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwaitthreetove
minutestoletthecomputercoolbeforeremovingthecomputercover.
Toreplacethemicroprocessor,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage38.
3.Laythecomputeronitssideforeasieraccesstothesystemboard.
4.Locatethesystemboardanddisconnectallcablesconnectedtothesystemboard.See“Locating
partsonthesystemboard”onpage12
.
5.Removetheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage48.
Note:Placetheheatsinkandfanassemblyonitssidesothatthethermalgreaseonthebottomofit
doesnotgetincontactwithanything.
6.Liftthesmallhandle1andopentheretainer2toaccessthemicroprocessor3.
Figure25.Accessingthemicroprocessor
52ThinkCentreM73UserGuide