Lenovo G500 Manual

Lenovo G400/G500/G405/G505/G410/G510
67
Figure 12. Removal steps of fan assembly and heat sink assembly (continued)
G505:
When installing: Make sure that the fan connector is attached firmly to the 
system board.
StepScrew (quantity)ColorTorque
M2.0 × 3.2mm, flat-head, nylok-coated (3)
M2.0 × 3.0 mm, flat-head, nylok-coated (2)Black
Black1.0 ~ 1.5 kgfcm
1.0 ~ 1.5 kgfcm
a
bb
b
b 

Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
Manual
681130 CPU
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 51
 “1100 System board”...

Lenovo G400/G500/G405/G505/G410/G510
69 1140 Base cover, speakers, USB and power assembly
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 51
 “1110...

Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
Manual
70
Figure 14. Removal steps of base cover, speakers, USB and power assembly (continued)
G500:
G500: Loosen the screw  , then remove the USB in the direction shown by 
arrow .
When installing: Make sure that the USB connector is attached firmly.
StepScrew (quantity)ColorTorque
M2 × 3 mm, flat-head, nylok-coated (1) 
(G400)
M2.5 × 4 mm, flat-head, nylok-coated (1) 
(G500)Black
Black1.0 ~ 1.5 kgfcm
2.0 ~ 2.5 kgfcm
a
a
bc
b
c
c 

Lenovo G400/G500/G405/G505/G410/G510
71
Figure 14. Removal steps of base cover, speakers, USB and power assembly (continued)
G400: Remove the power assembly in the direction shown by arrow  .
d
d 

Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
Manual
72
Note: Applying labels to the base cover
The new base cover FRU is shipped with a kit containing labels of several 
kinds. When you replace the base cover, you need to apply the following 
label: 
The following labels need to be peeled off from the old base cover, and need 
to be put on the new base cover.
Rating Label
SIRIM BT Label or SIRIM WLAN Label
BT Label for US/CA/TW or Indonesia Label for BT 
WLAN Label for US/CA/TW or WLAN...

Lenovo G400/G500/G405/G505/G410/G510
73 1150 LCD front bezel
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 51
 “1100 System board” on page 55...

Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
Manual
741160 LCD panel, LCD cable and hinges
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...

Lenovo G400/G500/G405/G505/G410/G510
75
Figure 16. Removal steps of LCD panel, LCD cable and hinges (continued)
G400: Remove six screws  . Lift the LCD panel with hinges in the direction 
shown by arrows  .
Note: The LCD cables are attached to the LCD panel by a metal connector.
Peel off the adhesive tape and detach the connector in the direction shown by 
arrow .
When installing: Make sure that the metal connector is attached firmly.
StepScrew (quantity)ColorTorque
M2.0 × 3 mm, flat-head, nylok-coated...

Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
Manual
761170 Integrated camera
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 51
 “1100...