Lenovo IdeaPad S400u Hardware Maintanence 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 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 Putting your computer into sleep state or shutting it down 25 Lenovo IdeaPad S400 26 Specifications 26 Status indicators 28 Hotkeys 30 FRU replacement notices 31 Screw notices 31 Removing and replacing an FRU 32 1010 Battery pack 33 1020 Hard disk drive 35 1030 DIMM 37 1040 PCI Express Mini Card for wireless LAN/WAN 38 1050 Fan assembly and Heat Sink assembly 40 1060 Keyboard 42 1070 System board 44 1080 LCD unit 47 1090 Speakers, base cover, USB board, power assembly and power board 49 1100 LCD front bezel 52 1110 LCD panel, LCD cable 53 1120 Integrated camera 54 Locations 55 Front view 55 Bottom and Right-side view 56 Left-side view 57 Parts list 58 Overall 59 LCD FRUs 63 Keyboard 65 AC adapters 74 Power cords 75 Notices 78 Trademarks 79 iii