Lenovo ThinkCentre M73 10B0 User Manual

Replacingtheheatsinkandfanassembly
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe
“Importantsafetyinformation”onpage1.
Thissectionprovidesinstructionsonhowtoreplacetheheatsinkandfanassembly.
CAUTION:
Theheatsinkandfanassemblymightbeveryhot.Beforeyouopenthecomputercover,turnoffthe
computerandwaitseveralminutesuntilthecomputeriscool.
Toreplacetheheatsinkandfanassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage90.
3.Laythecomputeronitssideforeasieraccesstothesystemboard.
4.Locatetheheatsinkandfanassembly.See“Locatingpartsonthesystemboard”onpage73.
5.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem
board.See“Locatingpartsonthesystemboard”onpage73.
6.Followthissequencetoremovethefourscrewsthatsecuretheheatsinkandfanassemblytothe
systemboard:
a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1.
b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.
Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe
systemboard.Thefourscrewscannotberemovedfromtheheatsinkandfanassembly.
Figure33.Removingtheheatsinkandfanassembly
Chapter9.ReplacingFRUs(machinetypes:10B0,10B1,10B2,10B3,10HJ,and10HK)103

Lenovo ThinkCentre M73 10B0 Specifications

General

Brand	Lenovo
Model	ThinkCentre M73 10B0
Category	Desktop
Language	English