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Lenovo G500 Manual

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    							Lenovo G400/G500/G405/G505/G410/G510
    47 1080 Keyboard
    For access, remove this FRU:
     “1010 Battery pack” on page 36
     “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
    compartment cover” on page 38
    Figure 8. Removal steps of keyboard
    G400: Remove screws  .
    StepScrew (quantity)ColorTorque
    M2 × 6 mm, flat-head, nylok-coated(3) Black 1.5 ~ 2.0 kgfcm
    a
    a
    a
    a
    a 
    						
    							Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
    Manual
    48
    Figure 8. Removal steps of keyboard  (continued)
    G400: Loosen the keyboard with fingers in the direction shown by arrow  . Lift 
    the keyboard a little  , and then detach the connector in the direction shown 
    by arrows  .
    bcde
    b
    c
    d
    e 
    						
    							Lenovo G400/G500/G405/G505/G410/G510
    49
    Figure 8. Removal steps of keyboard (continued)
    G500: Remove the screws  .
    G500: Loosen the keyboard with fingers in the direction shown by arrow  .
    StepScrew (quantity)ColorTorque
    M2 × 6 mm, flat-head, nylok-coated (3) Black 1.5 ~ 2.0 kgfcm
    a
    a
    a
    a
    a
    b
    b 
    						
    							Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
    Manual
    50
    Figure 8. Removal steps of keyboard (continued)
    G500: Lift the keyboard a little  , and then detach the connectors in the 
    direction shown by arrows  ,  .
    cde
    c
    d
    e 
    						
    							Lenovo G400/G500/G405/G505/G410/G510
    51 1090 Keyboard bezel
    For access, remove these FRUs in order:
     “1010 Battery pack” on page 36
     “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
    compartment cover” on page 38
     “1050 Optical drive” on page 42
     “1080 Keyboard” on page 47
    Figure 9. Removal steps of keyboard bezel
    G400: Remove eight screws   and two screws   on the bottom.
    StepScrew (quantity)ColorTorque
    M2.5 × 6 mm, flat-head, nylok-coated (8) Black 1.5 ~ 2.0 kgfcm
    M2 × 3 mm, flat-head, nylok-coated (2)  Black 1.0 ~ 1.5 kgfcm
    ab
    b
    b
    a
    a
    a
    a
    a
    a
    aa
    a
    a 
    						
    							Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
    Manual
    52
    Figure 9. Removal steps of keyboard (continued)
    G500: Remove seven screws   and three screws   on the bottom.
    Remove the screw  .
    G400:
    StepScrew (quantity)ColorTorque
    M2.5 × 6 mm, flat-head, nylok-coated(7) Black 1.5 ~ 2.0 kgfcm
    M2 × 3 mm, flat-head, nylok-coated (3)  Black 1.0 ~ 1.5 kgfcm
    ab
    a
    abbb
    a
    a
    a
    a
    a
    a
    a
    c
    c 
    						
    							Lenovo G400/G500/G405/G505/G410/G510
    53
    Figure 9. Removal steps of keyboard bezel (continued)
    G505:
    G400: Detach the power board connector, USB board cable and touch pad cable 
    in the direction shown by arrow  .
    StepScrew (quantity)ColorTorque
    G400: M2.5 × 6 mm, flat-head, nylok-
    coated (1)Black 2.0 ~ 2.5 kgfcm
    c
    b
    e
    e 
    						
    							Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
    Manual
    54
    Figure 9. Removal steps of keyboard bezel (continued)
    G500: Detach the power board connector and touch pad cable in the direction 
    shown by arrow  .
    When installing: Make sure that the power board connector and touch pad 
    cable are attached firmly.
    Remove the keyboard bezel in the direction shown by arrow  .
    e
    e
    f
    f 
    						
    							Lenovo G400/G500/G405/G505/G410/G510
    55 1100 System board
    For access, remove these FRUs in order:
     “1010 Battery pack” on page 36
     “1020 Dummy card” on page 37
     “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
    compartment cover” on page 38
     “1040 Hard disk drive” on page 39
     “1050 Optical drive” on page 42
     “1060 DIMM” on page 44
     “1070 PCI Express Mini Card for wireless LAN/WAN” on page 45
     “1080 Keyboard” on page 47
     “1090 Keyboard bezel” on page 51Important notices for handling the system board:
    When handling the system board, bear the following in mind.
     Be careful not to drop the system board on a bench top that has a hard 
    surface, such as metal, wood, or composite.
     Avoid rough handling of any kind.
     In the whole process, make sure not to drop or stack the system board.
     If you put a system board down, make sure to put it only on a padded 
    surface such as an ESD mat or conductive corrugated material. 
    						
    							Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
    Manual
    56
    Figure 10. Removal steps of system board
    G400: Loosen the screws  . Detach the LCD connector in the direction shown 
    by arrow  , unplug the DC-IN cable connector, speakers and back-up battery 
    connectors in the direction shown by arrows  .
    StepScrew (quantity)ColorTorque
    M2.5 × 6 mm, flat-head, nylok-coated (3) Black 1.5 ~ 2.0 kgfcm
    a
    bc
    a
    a
    a
    b
    c
    c
    a 
    						
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