Lenovo Personal Computer 4155 Manual do Utilizador descarregar pdf (Página 112)

7.Connectthesignalcableandpowercabletothenewdiskettedrive.Ifyouareinstallingacardreader,

connectthecardreadercabletothecardreaderconnectoronthesystemboard.See“Locatingparts

onthesystemboard”onpage81.

8.Goto“CompletingtheFRUreplacement”onpage108.

Replacingthefrontandrearfanassemblies

Attention

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”

intheThinkStationSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkStation

SafetyandWarrantyGuide,goto:

http://www.lenovo.com/support.

Thissectionprovidesinstructionsonhowtoreplacethefrontorrearfanassembly.

Toremoveorreplacethefrontorrearfanassembly,dothefollowing:

1.Removethecomputercover.See“Removingthecover”onpage78.

2.Locatethefanassemblythatyouwanttoreplace.Yourcomputerhasonefrontfanassemblyandone

rearfanassembly.See“Locations”onpage79.

3.Removethefrontbezelifyouarereplacingthefrontfanassembly.See“Removingthefrontbezel”

onpage82.

4.Disconnectthefanassemblycablefromthesystemboard.See“Locatingpartsonthesystemboard”

onpage81.

5.Thefanassemblyisattachedtothechassisbyfourrubbermounts.Carefullyremovethefourrubber

mountsbybreakingthemorcuttingthemwithscissorsandthenremovethefanassemblyoutof

thechassis.

6.Installthenewfanassemblybyaligningthefourrubbermountsofthefanassemblywiththeholeson

thechassisandpushtherubbermountsthroughtheholes.

7.Pullonthetipsoftherubbermountsuntilthefanassemblyisinplace.

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Lenovo Personal Computer 4155 Manual do Utilizador Página 112