ContentsFigures . . . . . . . . . . . . . . . . iiiChapter1.Important safetyinformation . . . . . . . . . . . . . . . 1Chapter2.Overview. . . . . . . . . . . 3Additional information resources . . . . . . . . 3Handling static-sensitive devices . . . . . . . . 3Locations. . . . . . . . . . . . . . . . . . 4Locating controls and connectors on the frontof your computer . . . . . . . . . . . . . 4Locating connectors on the rear of yourcomputer . . . . . . . . . . . . . . . . 5Locating internal components . . . . . . . . 7Identifying parts on the system board . . . . . 8Chapter3.Installing options andreplacing hardware . . . . . . . . . . 11Installing external options . . . . . . . . . . 11Installing internal options . . . . . . . . . . 11Removing the computer cover. . . . . . . 11Removing the front bezel. . . . . . . . . 12Accessing system board components. . . . 13Installing a memory module. . . . . . . . 13Installing an adapter card. . . . . . . . . 14Installing internal drives . . . . . . . . . 16Replacing the battery . . . . . . . . . . . . 23Replacing the power supply assembly . . . . . 24Replacing an adapter card . . . . . . . . . . 27Replacing the heat sink and fan assembly . . . . 31Replacing a hard disk drive. . . . . . . . . . 33Replacing the hard disk drive fan assembly . . . 34Replacing an optical drive . . . . . . . . . . 36Replacing the diskette drive or card reader . . . 37Replacing the front panel connector assembly . . 39Replacing a memory module . . . . . . . . . 40Replacing the front and rear fan assemblies . . . 41Replacing the internal speaker . . . . . . . . 42Replacing the keyboard . . . . . . . . . . . 44Replacing the mouse . . . . . . . . . . . . 44Chapter4.Completing the partsreplacement. . . . . . . . . . . . . . 47Obtaining device drivers . . . . . . . . . . . 47Chapter5.Security features . . . . . 49Locking devices . . . . . . . . . . . . . . 49Password protection . . . . . . . . . . . . 50Erasing a lost or forgotten password (clearingCMOS). . . . . . . . . . . . . . . . . . 50AppendixA.System memory speed . 51AppendixB.Notices. . . . . . . . . . 53Television output notice . . . . . . . . . . . 54Trademarks . . . . . . . . . . . . . . . . 54Index. . . . . . . . . . . . . . . . . . 55© Copyright Lenovo 2009, 2011 i