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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 M30-70 ............................................26
Specifications ..................................................... 26
Status indicators ................................................ 28
Hotkeys............................................................... 29
FRU replacement notices.................................. 30
Screw notices................................................ 30
Removing and replacing an FRU ....................31
1010 Battery pack.........................................32
1020 Hard disk drive...................................34
1030 DIMM...................................................36
1040 PCI Express Mini Card
for wireless LAN/WAN.............................37
1050 Fan assembly and Heat Sink
assembly........................................................39
1060 Keyboard..............................................41
1070 System board.......................................43
1080 LCD unit...............................................46
1090 Speakers, base cover, USB board,
power assembly and power board............48
1100 LCD front bezel...................................51
1110 LCD panel, LCD cable, hinges..........52
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.....................................................64
Keyboard.......................................................66
AC adapters..................................................69
Screws............................................................69
Power cords..................................................70
Notices ......................................................... 74
Trademarks.........................................................75
Contents