Lenovo Y50-70 Touch Hardware Maintenance Manual - Lenovo Y40 50 Series - 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 21 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 Y40-70/Y40-80/Y50-70/Y50-80/ Y50-70 Touch/Y50-80 Touch 26 Specifications 26 Status indicators 28 Fn key combinations 30 FRU replacement notices 31 Screw notices 31 Removing and replacing an FRU 32 1010 Base cover 33 1020 Battery pack 36 1030 Hard disk drive 39 1040 PCI Express Mini Card for wireless LAN 43 1050 DIMM 46 1060 LED board 48 1070 Subwoofer (Y50-70/Y50-80/ Y50-70 Touch/Y50-80 Touch 49 1080 IO board 50 1090 Fan assembly and Heat Sink assembly.... 53 1100 System board 58 1110 Speakers 63 1120 LCD unit and power board 65 1130 Non-touch LCD unit (Y40-70/Y40-80/ Y50-70/Y50-80 70 1140 Touch LCD unit (Y50-70 Touch/ Y50-80 Touch 74 1150 Camera 78 1160 Antenna assembly 80 Locations 81 Front view and right-side view 81 Bottom and Left-side view 83 Parts list 84 Overall 85 LCD FRUs 92 Miscellaneous parts 96 AC adapters 97 Screws 97 Power cords 98 Notices 101 Trademarks 102 iii