10.Notetheorientationofthenewmicroprocessor.Holdthenewmicroprocessorbyitsedgesandalign
thenotches
1onitwiththetabs2inthemicroprocessorsocket.Then,carefullylowerthenew
microprocessorstraightdownintothemicroprocessorsocket.
Note:Thesmalltriangle3ononecornerofthenewmicroprocessoristhemicroprocessororientation
indicator.Thenewmicroprocessorisinthecorrectorientationwhenthisindicatorfacesthebeveled
corner4ofthemicroprocessorsocket.
Figure37.Installingthemicroprocessor
11.Closethemicroprocessorretainerandlockitintopositionwiththesmallhandletosecurethenew
microprocessorinthesocket.
12.Reinstalltheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage103.
13.Reconnectallcablesthatweredisconnectedfromthesystemboard.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage131.
Replacingthesystemboard
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe
“Importantsafetyinformation”onpage1
.
Thissectionprovidesinstructionsonhowtoreplacethesystemboard.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Beforeyouopenthecomputercover,turnoff
thecomputerandwaitseveralminutesuntilthecomputeriscool.
Toreplacethesystemboard,dothefollowing:
108ThinkCentreM73HardwareMaintenanceManual