Lenovo ThinkServer TD350 Manuel d'utilisateur Page 170

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9.Installthefourscrewstosecurethenewheatsinkonthesystemboard.Itisrecommendedthatyou
carefullyinstallthefourscrewsusingthefollowingmethodtoavoidanypossibledamagetothesystem
board.
a.Partiallytightenscrew1,thenfirmlytightenscrew3,andthenreturntoscrew1andfirmlytighten
it.Donotover-tightenthescrews.
b.Partiallytightenscrew2,thenfirmlytightenscrew4,andthenreturntoscrew2andfirmlytighten
it.Donotover-tightenthescrews.
Figure121.Installingthescrewstosecuretheheatsink
10.Ifyouareinstructedtoreturntheoldheatsink,followallpackaginginstructionsanduseanypackaging
materialsthataresuppliedtoyouforshipping.
Whattodonext:
Toworkwithanotherpieceofhardware,gototheappropriatesection.
Tocompletethereplacement,goto“Completingthepartsreplacement”onpage164
.
Replacingthecoin-cellbattery
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiii
and“Guidelines”onpage63.
Yourserverhasaspecialtypeofmemorythatmaintainsthedate,time,andconfigurationinformationfor
built-infeatures.Thecoin-cellbatterykeepstheinformationactivewhenyouturnofftheserver.The
coin-cellbatterynormallyrequiresnochargingnormaintenancethroughoutitslife;however,nobatterylasts
forever.Ifthecoin-cellbatteryfails,thedate,time,andconfigurationinformation,includingpasswords,are
lostandanerrormessageisdisplayedwhenyouturnontheserver.
156ThinkServerTD350UserGuideandHardwareMaintenanceManual
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