Lenovo System x3550 M4 - Page 313

Step6.Installtheheatsinkontothemicroprocessor.
Removingtheheat-sinkretentionmodule
Usethisinformationtoremovetheheat-sinkretentionmodule.
Toremoveaheat-sinkretentionmodule,completethefollowingsteps:
Step1.Readthesafetyinformationthatbeginson“Safety”onpagevand“Installationguidelines”
onpage31.
Step2.Turnofftheserverandperipheraldevicesanddisconnectthepowercordsandallexternalcables.
Step3.Removethecover(see“Removingthecover”onpage189).
Step4.Removetheairbaffle(see“Removingtheairbaffle”onpage191).
Step5.Removetheheatsink(see“Removingamicroprocessorandheatsink”onpage285).
Attention:Whenyouremoveamicroprocessorandheatsink,besuretokeepeachheatsinkwith
itsmicroprocessorforreinstallation.
Step6.Useascrewdriverandremovethefourscrewsthatsecuretheretentionmoduletothesystem
board;then,lifttheretentionmodulefromthesystemboard.
Figure234.Heat-sinkretentionmoduleremoval
Ifyouareinstructedtoreturntheheat-sinkretentionmodule,followallthepackaginginstructions,anduse
anypackagingmaterialsforshippingthataresuppliedtoyou.
Replacingtheheat-sinkretentionmodule
Usethisinformationtoreplacetheheat-sinkretentionmodule.
Toinstallaheat-sinkretentionmodule,completethefollowingsteps:
Step1.Readthesafetyinformationthatbeginson“Safety”onpagevand“Installationguidelines”
onpage31.
Step2.Turnofftheserverandperipheraldevicesanddisconnectthepowercordsandallexternalcables.
Step3.Removethecover(see“Removingthecover”onpage189).
Step4.Removetheairbaffle(see“Removingtheairbaffle”onpage191).
Step5.Aligntheretentionmodulewiththeholesonthesystemboard.
Step6.Useascrewdrivertoreinstallthefourscrews.
Chapter6.Removingandreplacingcomponents299