Personal Computer User Manual
Table Of Contents
- Important safety information
- Chapter 1. Product overview
- Chapter 2. Installing or replacing hardware
- Handling static-sensitive devices
- Installing or replacing hardware
- Installing external options
- Opening the computer cover
- Removing and reinstalling the front bezel
- Installing or replacing a memory module
- Replacing the hard disk drive
- Replacing the optical drive
- Replacing the battery
- Replacing the heat sink
- Replacing the internal speaker
- Replacing the front audio and USB assembly
- Replacing the ac power adapter
- Replacing the ac power adapter bracket
- Replacing the keyboard or mouse
- Completing the parts replacement
- Installing security features
- Chapter 3. Recovery information
- Chapter 4. Using the Setup Utility program
- Chapter 5. Updating system programs
- Chapter 6. Troubleshooting and diagnostics
- Chapter 7. Getting information, help, and service
- Appendix A. Notices
- Index
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage25.
Replacingthekeyboardormouse
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethekeyboardormouse.
Toreplacethekeyboardormouse,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Disconnecttheoldkeyboardcableormousecablefromthecomputer.
3.ConnectanewkeyboardormousetooneoftheUSBconnectorsonthecomputer.Dependingon
whereyouwanttoconnectthenewkeyboardormouse,see“Locatingconnectorsonthefrontofyour
computer”onpage6or“Locatingconnectorsontherearofyourcomputer”onpage7.
Figure23.Connectinganewkeyboardormouse
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage25.
Completingthepartsreplacement
Aftercompletingtheinstallationorreplacementforallparts,youneedtoclosethecomputercoverand
reconnectcables.Dependingonthepartsyouinstalledorreplaced,youmightneedtoconrmtheupdated
informationintheSetupUtilityprogram.RefertoChapter4“UsingtheSetupUtilityprogram”onpage35.
Toclosethecomputercoverandreconnectcablestoyourcomputer,dothefollowing:
1.Makesurethatallcomponentshavebeenreassembledcorrectlyandthatnotoolsorloosescrewsare
leftinsideyourcomputer.See“Locatingcomponents”onpage8forthelocationsofvariouscomponents
inyourcomputer.
2.Ifyouhaveremovedthefrontbezel,reinstallit.See“Removingandreinstallingthefrontbezel”on
page12.
3.Makesurethatthecablesareroutedcorrectly.Keepcablesclearofthehingesandsidesofthecomputer
chassistoavoidinterferencewithclosingthecomputercover.
Chapter2.Installingorreplacinghardware25