Lenovo ThinkStation E31 - Replacing the Thermal Sensor

7.Installthenewsystemfanbyaligningthenewrubbermountsthatcamewiththenewsystemfanwiththe
correspondingholesinthechassis,andthenpushtherubbermountsthroughtheholes.Then,carefully
pullonthetipsoftherubbermountsfromthebottomuntilthenewsystemfanissecuredinplace.
Figure97.Installingthesystemfan
8.Connectthenewsystemfancabletothesystemfanconnectoronthesystemboard.See“Locating
partsonthesystemboard”onpage82.
9.Reinstalltheharddiskdrive.See“Replacingtheharddiskdrive”onpage135.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage165.
Replacingthethermalsensor
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“ImportantSafetyInformation”
onpage1.
Thissectionprovidesinstructionsonhowtoreplacethethermalsensor.
Toreplacethethermalsensor,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Openthecomputercover.See“Openingthecomputercover”onpage120.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage120.
4.Locatethethermalsensor.See“LocatingmajorFRUsandCRUs”onpage79.
5.Disconnectthethermalsensorcablefromthethermalsensorconnectoronthesystemboard.See
“Locatingpartsonthesystemboard”onpage82.
6.Removethecoverpresenceswitch(intrusionswitch).See“Replacingthecoverpresenceswitch”on
page151.
7.Removetheinternalspeaker.See“Replacingtheinternalspeaker”onpage153.
158ThinkStationHardwareMaintenanceManual