Personal Computer User's Guide
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage73.
Replacingthemicroprocessor
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwaitthreetove
minutestoletthecomputercoolbeforeremovingthecomputercover.
Toreplacethemicroprocessor,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage41.
4.Locatethesystemboardanddisconnectallcablesconnectedtothesystemboard.See“Locating
partsonthesystemboard”onpage16
.
5.Removetheheatsinktogainaccesstothemicroprocessor.See“Replacingtheheatsink”onpage51.
Note:Placetheheatsinkonitssidesothatthethermalgreaseonthebottomofitdoesnotgetin
contactwithanything.
Chapter5.Installingorreplacinghardware53