Table Of Contents - Lenovo E31-80 Hardware Maintenance Manual

Contents
About this manual. . . . . . . . . . .
Chapter 1. Safety information . . . . .
General safety . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . .
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . .
Safety notices (multilingual translations) . . . . .
Chapter 2. Important service
information . . . . . . . . . . . . . . 19
Strategy for replacing FRUs . . . . . . . . .
Strategy for replacing a hard disk drive or a
solid-state drive . . . . . . . . . . . .
Important notice for replacing a system
board . . . . . . . . . . . . . . . .
FRU identification. . . . . . . . . . . .
Chapter 3. General checkout . . . . . 21
What to do first . . . . . . . . . . . . . .
Power system checkout . . . . . . . . . . .
Checking the ac power adapter . . . . . .
Chapter 4. Related service
information . . . . . . . . . . . . . . 25
Restoring the factory contents by using OneKey
Recovery . . . . . . . . . . . . . . . . .
Power management . . . . . . . . . . . .
Screen blank mode (for the Windows 7
operating system only) . . . . . . . . . .
Sleep mode . . . . . . . . . . . . . .
Hibernation mode
Chapter 5. Passwords . . . . . . . . . 27
Power-on password . . . . . . . . . . . .
Hard disk password . . . . . . . . . . . .
Administrator password . . . . . . . . . . .
Chapter 6. Status indicators . . . . . 29
© Copyright Lenovo 2015
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iii Chapter 7. Hotkeys . . . . . . . . . . 31
1 Chapter 8. Locations . . . . . . . . . 33
1 Locating FRUs and CRUs . . . . . . . . . .
1 Major FRUs and CRUs. . . . . . . . . .
2 LCD FRUs
Miscellaneous parts and other FRUs . . . .
3
Chapter 9. FRU replacement
4
notices . . . . . . . . . . . . . . . . 49
4
Screw notices . . . . . . . . . . . . . . .
Chapter 10. Removing or replacing a
FRU . . . . . . . . . . . . . . . . . . 51
19
General guidelines . . . . . . . . . . . . .
19
1010 Base cover assembly . . . . . . . . . .
1020 Battery pack . . . . . . . . . . . . .
20
1030 Hard disk drive or solid-state hybrid drive . .
20
1040 Memory module . . . . . . . . . . . .
1050 Wireless-LAN /Bluetooth card . . . . . .
1060 Thermal fan assembly and Heat Sink
21
assembly . . . . . . . . . . . . . . . . .
22
1070 System board . . . . . . . . . . . . .
22
1080 Speaker assembly . . . . . . . . . . .
1090 LCD unit and DC-in cable . . . . . . . .
1100 Audio board, audio board cable, touch pad
board cable, finger printer board and LED board .
1110 LCD front bezel . . . . . . . . . . . .
25
1120 LCD panel, EDP cable and hinges . . . . .
25
1130 Integrated camera and LCD cable . . . . .
1140 Antenna assembly and LCD cover . . . . .
25
25
Appendix A. Notices . . . . . . . . . . 71
26
Electronic emissions notices . . . . . . . . .
Trademarks . . . . . . . . . . . . . . . .
27
Appendix B. Abbreviation table . . . . 73
27
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