Lenovo U310 Laptop Hardware Maintenance Manual - IdeaPad U310, U410, U310 Touc - 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 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 state 25 Sleep (standby) state 25 Hibernation state 26 Lenovo IdeaPad U310/U410 U310/U410 Touch 27 Specifications 27 Status indicators 29 Fn key combinations 31 Hotkeys 31 FRU replacement notices 32 Screw notices 32 Removing and replacing an FRU 33 1010 Battery pack 34 1020 Dummy card 45 1030 Hard disk drive 46 1040 DIMM 49 1050 PCI Express Mini Card for wireless LAN/WAN 51 1060 Fan assembly and Heat Sink assembly 54 1070 Keyboard 60 1080 System board 63 1090 LCD unit 67 1100 Base cover, bluetooth card, USB board, power assembly and power board 70 1110 LCD front bezel 75 1120 LCD panel, LCD cable, hinges and speakers 76 1130 Integrated camera 80 Locations 81 Front view 81 Right-side view 82 Bottom and Left-side view 83 Parts list 84 Overall 85 LCD FRUs 90 Keyboard 93 AC adapters 106 Power cords 107 Notices 110 Trademarks 111 iii