Lenovo H520g Lenovo H520g Hardware Maintenance Manual - Page 109

Index A Administrator, password 54 B basic troubleshooting 33 battery, replacing 77 BIOS settings, changing 57 Boot-block Recovery 101 C changing password 54 startup device sequence 56 CMOS, clearing 55 components, internal 66 computer cover removing 72 computer cover, reinstalling 93 connectors rear 66 connectors, controls, indicators front 65 considerations, passwords 54 CRU completing the installation 93 CRUs (Customer Replaceable Units), returning defective 66 D deleting a password 54 devices, handling static-sensitive 71 diagnostics, troubleshooting 33 drives bays 69 specifications 69 E environment, operating 29 exiting, Setup Utility 57 F failure, recovering from a POST and BIOS update 101 flashing the BIOS 100 front connectors, controls, indicators 65 front audio and USB assembly, replacing 92 front bezel front bezel, removing 73 front bezel, reinstalling 73 FRU locations 66 © Copyright Lenovo 2013 FRU part numbers 1, 65 FRUs, replacing 71 H hard disk drive, replacing 90 heat sink and fan assembly, replacing 82 I Identifying FRUs 66 installing operating system 57 installing options memory module 78 PCI card 74 L Lenovo Solution Center 51 locating components 66 looking up part numbers 1, 65 M memory module installing, replacing 78 system board 78 microprocessor replacing 85 O optical drive, replacing 80 Optional-service CRUs 66 P part numbers 1, 65 parts replacement, completing 93 password Administrator 54 considerations 54 Power-On Password 54 setting, changing, deleting 54 passwords erasing 55 lost or forgotten 55 passwords, using 53 PCI card 74 installing, replacing 74 slots 74 physical specifications 29 power supply assembly, replacing 84 105