Lenovo E40-30 Laptop Hardware Maintenance Manual - Lenovo E40-xx Notebook - Page 3
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Contents About this manual iii Chapter 1. Safety information . . . . . 1 General safety 1 Electrical safety 1 Safety inspection guide 2 Handling devices that are sensitive to electrostatic discharge 3 Grounding requirements 4 Safety notices (multilingual translations) . . . . . 4 Chapter 2. Important service information 19 Strategy for replacing FRUs 19 Strategy for replacing a hard disk drive or a solid-state drive 19 Important notice for replacing a system board 20 FRU identification 20 Chapter 3. General checkout . . . . . 21 What to do first 21 Power system checkout 22 Checking the ac power adapter 22 Checking the external battery pack and the operational charging 23 Chapter 4. Related service information 25 Restoring the factory contents by using OneKey Recovery 25 Power management 25 Screen blank mode (for the Windows 7 operating system only 25 Sleep mode 25 Hibernation mode 26 Chapter 5. Passwords 27 Power-on password 27 Hard disk password 27 Administrator password 27 Chapter 6. Status indicators . . . . . 29 Chapter 7. Function keys 31 Chapter 8. Locations 33 Locating computer controls, connectors, and indicators 33 Front view 33 Left-side view 34 Right-side view 35 Bottom view 35 Locating FRUs and CRUs 36 Major FRUs and CRUs 37 LCD FRUs 43 Miscellaneous parts and other FRUs . . . . 44 Chapter 9. FRU replacement notices 51 Screw notices 51 Chapter 10. Removing or replacing a FRU 53 General guidelines 53 1010 External battery pack 54 1020 Keyboard 54 1030 Optical disk drive 56 1040 Base cover assembly 57 1050 Hard disk drive or solid-state hybrid drive . . 58 1060 Wireless-LAN /Bluetooth card 60 1070 Memory module 61 1080 Upper case 62 1090 Audio board, audio board cable, power board, touch pad board cable, finger printer board and LED board 63 1100 System board 66 1110 Thermal fan assembly and Heat Sink assembly 68 1120 Speaker assembly 70 1130 LCD unit and DC-in cable 71 1140 LCD front bezel 73 1150 LCD panel and hinges 74 1160 Integrated camera and LCD cable . . . . . 75 1170 Antenna assembly and LCD cover . . . . . 76 Appendix A. Notices 79 Electronic emissions notices 80 Trademarks 80 Appendix B. Abbreviation table . . . . 81 © Copyright Lenovo 2014 i
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