Lenovo ThinkCentre Edge 91 Hardware Maintenance Manual (HMM) (April 2012) - Th - Page 259

Index A accessing system board components 114 Administrator, password 44 B battery, replacing 87, 119 boot-block recovery 250 C changing password 44 startup device sequence 46 CMOS, clearing 45 components, internal 76, 108 computer cover removing 79, 112 computer cover, reinstalling 104, 141 connectors rear 75, 108 connectors, controls, indicators front 74, 107 considerations, passwords 44 CRU completing the installation 104, 141 D deleting a password 44 devices, handling static-sensitive drives bays 78, 111 specifications 78, 111 78, 111 E environment, operating 35 exiting, Setup Utility 47 F failure, recovering from POST/BIOS 250 flashing the BIOS 249 front connectors, controls, indicators 74, 107 front audio and USB assembly, replacing 103, 140 front bezel front bezel, removing 80, 113 front bezel, reinstalling 80, 113 © Copyright Lenovo 2011, 2012 H hard disk drive, replacing 88, 120 heat sink and fan assembly, replacing 94, 130 I installing options memory module 85, 118 PCI card 82, 116 L Lenovo Solution Center 39 Lenovo ThinkVantage Toolbox 39 locating components 76, 108 M memory module installing, replacing 85, 118 system board 85, 118 microprocessor replacing 96, 133 O optical drive, replacing 90, 123 P parts replacement, completing 104, 141 password Administrator 44 considerations 44 Power-On Password 44 setting, changing, deleting 44 passwords erasing 45 lost or forgotten 45 passwords, using 43 PC-Doctor for DOS 40 PCI card 82, 116 installing, replacing 82, 116 slots 82, 116 power supply assembly, replacing 92, 126 Power-On, Password 44 R rear connectors 75, 108 255