Lenovo 3063 Bedienungsanleitung Seite 129

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Seitenansicht 128
Replacingthesystemboard
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethesystemboard.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwait
threetoveminutestoletthecomputercoolbeforeopeningthecomputercover.
Toreplacethesystemboard:
1.Openthecomputercover.See“Openingthecomputercover”onpage107.
2.Pivotthedrivebayassemblyupwardtogainaccesstothesystemboard.SeeAccessingthesystem
boardcomponentsanddrives”onpage108
.
3.Removetheharddiskdrive.See“Replacingtheharddiskdrive”onpage122.
4.Removeallmemorymodulesandadaptercardsthatarecurrentlyinstalled.See“Replacingamemory
module”onpage112
and“Replacinganadaptercard”onpage113.
5.Carefullytakenoteofthelocationofallcableconnectionsonthesystemboardanddisconnectallthe
cables.See“Locatingpartsonthesystemboard”onpage110
.
6.Removetheheatsinkandfanassemblyfromthefailingsystemboard.See“Replacingtheheatsinkand
fanassembly”onpage117.
7.Carefullyslidethesystemboardsothatitcanbereleasedfromthefourmountingstudsthatsecure
thesystemboardinplace.
8.Liftthesystemboardoutofthechassis.
9.Removethemicroprocessorfromthefailingsystemboardandinstallitonthenewsystemboard.See
“Replacingthemicroprocessor”onpage118
.
10.Installthenewsystemboardintothechassisbyaligningthefourmountingstudsinthechassiswith
thecorrespondingholesonthenewsystemboard,andthencarefullyslidethenewsystemboardinto
thechassisuntilitissecuredinplacebythefourmountingstuds.
11.Installallmemorymodulesandadaptercardsremovedfromthefailingsystemboardonthenew
systemboard.
12.Installtheheatsinkandfanassemblyandconnecttheheatsinkandfanassemblycabletothenew
systemboard.See“Replacingtheheatsinkandfanassembly”onpage117
.
13.Reinstalltheharddiskdrive.See“Replacingtheharddiskdrive”onpage122.
14.Reconnectallremainingcablestothesystemboard.See“Locatingpartsonthesystemboard”on
page110.
15.Goto“CompletingtheFRUreplacement”onpage131.
Thefailingsystemboardmustbereturnedwithamicroprocessorsocketcovertoprotectthepinsduring
shippingandhandling.
Toinstallthemicroprocessorsocketcover:
Chapter9.ReplacingFRUs(MachineTypes:3379,4083,4088,4099,4138,5897,6137,6234,6258,6303,7174,7220,
7346,7354,7357,7360,7483,7582,7627,7630,7638,8910,and9964.)121
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