Personal Computer User Manual
10.Lowerandpositiontheheatsinkfanductonthetopoftheheatsinkandfanassemblyuntilthetwo
screwholesintheheatsinkfanductarealignedwiththoseintheheatsinkandfanassembly.Install
thetwoscrewstosecuretheheatsinkfanduct.
Figure38.Installingtheheatsinkfanduct
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage70.
Replacingthemicroprocessor
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwaitthreetove
minutestoletthecomputercoolbeforeremovingthecomputercover.
Toreplacethemicroprocessor,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage32.
3.Locatethesystemboardanddisconnectallcablesconnectedtothesystemboard.See“Locating
partsonthesystemboard”onpage11.
4.Removetheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage47.
54ThinkCentreUserGuide