Lenovo ThinkServer RD450 - Installing or Replacing a Heat Sink

3.Notetheorientationofthenewpowersupplyandthenslideitintothechassisuntilitsnapsintoposition.
Figure92.Installingapowersupply
4.Connectthepowercordtothepowercordconnectoronthenewpowersupply.Then,checkthe
statusLEDsnearthepowercordconnector.ForinformationaboutthestatusLEDs,see“Powersupply
statusLEDs”onpage47
.
5.Ifyouareinstructedtoreturntheoldpowersupply,followallpackaginginstructionsanduseany
packagingmaterialsthataresuppliedtoyouforshipping.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage178.
Installingorreplacingaheatsink
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiiiand“Guidelines”onpage63.
CAUTION:
Theheatsinkmightbeveryhot.Turnofftheserverandwaitseveralminutestolettheservercool
beforeremovingtheservercover.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computerforreference.
124ThinkServerRD450UserGuideandHardwareMaintenanceManual