Lenovo E4430 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 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 mode 25 Putting the computer into sleep mode or shutting it down 25 Lenovo E4430 and ZhaoYang E4430.........27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 33 Screw notices 33 Removing and replacing an FRU 34 1010 Battery pack 35 1020 Dummy card 36 1030 Hard disk drive(HDD)/Memory/ Mini PCI Express Card slot compartment cover 37 1040 Hard disk drive 38 1050 Optical drive 40 1060 DIMM 41 1070 PCI Express Mini Card for wireless LAN/WAN 42 1080 Keyboard 44 1090 Keyboard bezel 46 1100 System board 49 1110 LCD unit 52 1120 Fan assembly and Heat Sink assembly 54 1130 CPU 56 1140 Base cover, speakers power assembly and USB 57 1150 LCD front bezel 60 1160 LCD panel, LCD cable and hinges ... 62 1170 Integrated camera 64 1180 Antenna assembly and LCD cover... 65 Locations 66 Front view 66 Right-side view 67 Bottom and Left-side view 68 Rear view 69 Parts list 70 Overall 71 LCD FRUs 75 Keyboard 77 Miscellaneous parts 79 AC adapters 80 Power cords 81 Notices 86 Trademarks 87 iii