Lenovo 4479, 4495, 4497, 4499, 4504, 4513, 4517, 4524, 7021, 7032, 7034, 7049, 7052, 7053, 7073, 7136, 7178 Replacingthecardreader

9.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage33.
Note:Youmighthavetoremovethecardreadercover2fromthefrontbezel.Toremovethecardread
cover,pivotthetworetainingclips1thatsecurethecardreadercoveroutwardsandthencompletely
disengagethecardreadercoverfromthefrontbezel.
Figure24.Removingthecardreadercover
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage64.
Replacingthecardreader
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Toreplacethecardreader,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage32.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage33.
4.Locatethecardreader.See“Locatingcomponents”onpage11.
5.DisconnectthecardreadercablefromtheUSBconnectoronthesystemboard.See“Locatingpartson
thesystemboard”onpage12.
Chapter5.Installingorreplacinghardware43