Lenovo ThinkCentre Edge 91 - Erasing lost or forgotten passwords (clearing CMOS); Enabling or disabling a device

Thissectionprovidesinstructionsonhowtoreplacethekeyboardormouse.
Toreplacethekeyboardormouse,dothefollowing:
1.Removeanymediafromthedrives.Then,turnoffallattacheddevicesandthecomputer.
2.Disconnectallpowercordsfromelectricaloutlets.
3.Disconnecttheoldkeyboardcableormousecablefromthecomputer.
4.ConnectanewkeyboardormousetooneoftheUSBconnectorsonthecomputer.Dependingonwhere
youwanttoconnectthenewkeyboardormouse,see“Locatingconnectors,controls,andindicatorson
thefrontofyourcomputer”onpage8or“Locatingconnectorsontherearofyourcomputer”onpage9.
Figure43.ConnectingtheUSBkeyboardormouse
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage57.
Completingthepartsreplacement
Aftercompletingtheinstallationorreplacementforallparts,youneedtoreinstallthecomputercoverand
reconnectcables.Dependingonthepartsyouinstalledorreplaced,youmightneedtoconrmtheupdated
informationintheSetupUtilityprogram.RefertoChapter7“UsingtheSetupUtilityprogram”onpage67
.
Toreinstallthecomputercoverandreconnectcablestoyourcomputer,dothefollowing:
1.Makesurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrews
areleftinsideyourcomputer.See“Locatingcomponents”onpage11forthelocationsofvarious
componentsinyourcomputer.
2.Makesurethatthecablesareroutedcorrectly.Keepcablesclearofthehingesandsidesofthe
computerchassistoavoidinterferencewithclosingthecomputercover.
3.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage32.
4.Ifyouhaveremovedthefrontbezel,reinstallit.
Chapter5.Installingorreplacinghardware57