Lenovo G480 Hardware Maintenance Manual - Page 3

Contents About this manual iv Safety information 1 General safety 2 Electrical safety 3 Safety inspection guide 5 Handling devices that are sensitive to electrostatic discharge 6 Grounding requirements 6 Safety notices: multilingual translations.......... 7 Laser compliance statement 14 Important service information 16 Strategy for replacing FRUs 16 Strategy for replacing a hard disk drive 17 Important notice for replacing a system board 17 Important information about replacing RoHS compliant FRUs 18 General checkout 19 What to do first 20 Power system checkout 21 Checking the AC adapter 21 Checking operational charging 22 Checking the battery pack 22 Related service information 23 Restoring the factory contents by using Recovery Disc Set 23 Start Recovery Disc (one disc 23 Operating System Recovery Disc (one or more discs 23 Applications and Drivers Recovery Disc (one or more discs 23 Supplemental Recovery Disc 23 Passwords 24 Power-on password 24 Hard-disk password 24 Supervisor password 24 Power management 25 Screen blank mode 25 Sleep (standby) mode 25 Hibernation mode 26 Lenovo G480/G485/G580/G585/G780 ........27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 32 Screw notices 32 Removing and replacing an FRU 33 1010 Battery pack 34 1020 Dummy card 35 1030 Optical drive/Hard disk drive (HDD)/ Memory/Central processing unit/Mini PCI Express Card slot compartment cover 36 1040 Hard disk drive 39 1050 Optical drive 43 1060 DIMM 45 1070 PCI Express Mini Card for wireless LAN/WAN 47 1080 Keyboard 49 1090 Keyboard bezel 52 1100 Speakers (Lenovo G480/G485/ G580/G585 59 1110 System board 60 1120 LCD unit 70 1130 Fan assembly and Heat Sink assembly 74 1140 CPU 78 1150 Base cover 80 1160 LCD front bezel 82 1170 LCD panel, LCD cable and hinges 85 1180 Integrated camera 89 1190 Antenna assembly and LCD cover 91 Locations 92 Front view 92 Right-side view 94 Bottom and Left-side view 95 Parts list 97 Overall 98 LCD FRUs 105 Keyboard 108 Miscellaneous parts 114 AC adapters 115 Power cords 116 Notices 119 Trademarks 120 iii