User guide

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage66.
Replacingthemicroprocessor
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe
“Importantsafetyinformation”onpagev
.
Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Beforeyouopenthecomputercover,turnoff
thecomputerandwaitseveralminutesuntilthecomputeriscool.
Toreplacethemicroprocessor,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage35.
3.Laythecomputeronitssideforeasieraccesstothesystemboard.
4.Removetheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage50.
Note:Placetheheatsinkandfanassemblyonitssidesothatthethermalgreaseonthebottomofit
doesnotgetincontactwithanything.
5.Liftthesmallhandle1andopentheretainer2toaccessthemicroprocessor3.
Figure28.Accessingthemicroprocessor
6.Liftthemicroprocessorstraightupandoutofthemicroprocessorsocket.
52ThinkCentreE73UserGuide