
9.Installthenewsystemfanassemblybyaligningthenewrubbermountsthatcamewiththenewsystem
fanassemblywiththecorrespondingholesinthechassis,andthenpushtherubbermountsthroughthe
holes.Then,carefullypullonthetipsoftherubbermountsfromthebottomuntilthenewsystemfan
assemblyissecuredinplace.
Figure50.Installingthesystemfanassembly
10.Connectthenewsystemfanassemblycabletothesystemfanconnectoronthesystemboard.See
“Locatingpartsonthesystemboard”onpage13
.
11.Reinstalltheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage58.
12.Reinstalltheharddiskdrive.See“Replacingtheharddiskdrive”onpage48.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage81.
ReplacingtheWiFiunits
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
ThissectionprovidesinstructionsonhowtoreplacetheWiFiunits.TheWiFiunitsincludeaWiFiadapter
card,aWiFicardmodule,andarearWiFiantennacable.
ReplacingtheWiFiunitsinvolvesthefollowingoperations:
•“RemovingtheWiFiadaptercard”onpage71
•“RemovingtheWiFicardmodule”onpage72
70ThinkCentreM73UserGuide
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