Lenovo Z51-70 Laptop Hardware Maintenance Manual - Lenovo Z41-70, Z51-70 - 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 OneKey Recovery 23 Restore of factory default 23 Passwords 24 Power-on password 24 Hard-disk password 24 Administrator password 24 Power management 25 Screen blank state 25 Putting the computer to sleep or shutting it down 25 Putting your computer to sleep 25 Shutting down the computer 25 Lenovo Z41-70/Z51-70/ideapad 500-14ACZ/ ideapad 500-15ACZ 26 Specifications 26 Status indicators 28 Fn key combinations/Hotkeys 30 FRU replacement notices 31 Screw notices 31 Removing and replacing an FRU 32 1010 Keyboard 33 1020 Optical drive 37 1030 Base cover 40 1040 Battery pack 45 1050 Hard disk drive 47 1060 Speakers 50 1070 IO board 52 1080 PCI Express Mini Card for wireless LAN 53 1090 ODD board (Z51-70/ideapad 500-15ACZ 55 1100 DIMM 56 1110 Fan assembly and Heat Sink assembly 57 1120 System board 60 1130 Upper case 66 1140 LCD unit 73 1150 LCD hinges 76 1160 Integrated camera, LCD cable and antenna assembly 77 Locations 80 Front view and right-side view 80 Bottom and Left-side view 82 Parts list 83 Overall 84 LCD FRUs 95 Keyboard 98 Miscellaneous parts 105 AC adapters 106 Screws 106 Power cords 107 Notices 110 Trademarks 111 iii