Lenovo ThinkStation E31 - Replacing the System Board

7.Insertthetwoplastictabsinthenewpowerswitchthroughtheholeonthechassis,andthenpressthe
powerswitchasshownuntilitsnapsintoposition.
Figure101.Installingthenewpowerswitch
8.Reconnectthepowerswitchcabletothesystemboard.See“Locatingpartsonthesystemboard”
onpage82.
9.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage120.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage165.
Replacingthesystemboard
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“ImportantSafetyInformation”
onpage1.
Thissectionprovidesinstructionsonhowtoreplacethesystemboard.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwaitthreetove
minutestoletthecomputercoolbeforeopeningthecomputercover.
162ThinkStationHardwareMaintenanceManual