Lenovo ThinkCentre M91p - Replacing the System Fan Assembly

10.Installthescrewtosecurethecardreaderbrackettothechassis.
Figure44.Installingthescrewthatsecuresthecardreader
11.PivottheopticaldrivebayupwardandreconnectthecardreadercabletooneoftheUSBconnectors
onthesystemboard.See“Locatingpartsonthesystemboard”onpage12
.
12.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage30.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage69.
Replacingthesystemfanassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagevii.
Thissectionprovidesinstructionsonhowtoreplacethesystemfanassembly.
Toreplacethesystemfanassembly,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Openthecomputercover.See“Openingthecomputercover”onpage30.
3.Removetheharddiskdrive.See“Replacingtheharddiskdrive”onpage50.
4.Locatethesystemfanassembly.See“Locatingcomponents”onpage11.
60ThinkCentreUserGuide