Lenovo G580 Manual

							Lenovo G480/G485/G580/G585/G780
47 1070 PCI Express Mini Card for wireless LAN/WAN
For access, remove these FRUs in order:
 “1010 Battery pack” on page 34
 “1030 Optical drive/Hard disk drive (HDD)/Memory/Central processing 
unit/Mini PCI Express Card slot compartment cover” on page 36
Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN
Disconnect the two wireless LAN cables (black, white)  , and then remove the 
screw .
In step  , unplug the jacks by using the removal tool antenna RF connector
(P/N: 08K7159), or pick up the connectors with your fingers and gently unplug 
them in the direction shown by arrows.
Notes: wireless LAN card has 2 cables in step  .
wireless LAN card in some models may have 3 cables in step  .
StepScrew (quantity)ColorTorque
M2.0×3.0 mm, flat-head, 
nylok-coated (1)Black 1.5-2.0 kgfcm
ab
1
2
a
a
a
b 
						

							Lenovo G480/G485/G580/G585/G780 Hardware Maintenance 
Manual
48
Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued)
Remove the card in the direction shown by arrow  .
When installing:
 In models with a wireless LAN card that has two antenna connectors, plug 
the black cable (1st) (MAIN) into the jack labeled 1, and the white cable (2nd) 
(AUX) into jack labeled 2 on the card.
 In models with a wireless LAN card that has three antenna connectors, plug 
the black cable (1st) (MAIN) into the jack labeled 1, the grey cable (3rd) into 
jack labeled 3, and the white cable (2nd) (AUX) into jack labeled 2 on the 
card.
c
3 
						

							Lenovo G480/G485/G580/G585/G780
49 1080 Keyboard
For access, remove this FRU:
 “1010 Battery pack” on page 34
 “1030 Optical drive/Hard disk drive (HDD)/Memory/Central processing 
unit/Mini PCI Express Card slot compartment cover” on page 36
Figure 8. Removal steps of keyboard
Lenovo G480/G485/G580/G585
Remove the three screws  .
Lenovo G780
Remove one screw  .
StepScrew (quantity)ColorTorque
G480/G485/G580/G585: M2.0×6.0 mm, 
flat-head, nylok-coated (3)
G780: M2.5×8.0 mm, flat-head,
nylok-coated (1)Black 2.0-2.5 
kgfcm
a
11
1
a
1
a 
						

							Lenovo G480/G485/G580/G585/G780 Hardware Maintenance 
Manual
50
Figure 8. Removal steps of keyboard (continued)
Loosen the keyboard with fingers in the direction shown by arrow  .
Lenovo G480/G485/G580/G585
Lenovo G780
b
2
G
770
2 
						

							Lenovo G480/G485/G580/G585/G780
51
Figure 8. Removal steps of keyboard (continued)
Lift the keyboard a little  , and then detach the connector in the direction 
shown by arrows    .
Lenovo G480/G485/G580/G585
Lenovo G780
When installing: Make sure that the FPC connector is attached firmly.
cde
3
4
5
G770
3
4
5 
						

							Lenovo G480/G485/G580/G585/G780 Hardware Maintenance 
Manual
521090 Keyboard bezel
For access, remove these FRUs in order:
 “1010 Battery pack” on page 34
 “1030 Optical drive/Hard disk drive (HDD)/Memory/Central processing 
unit/Mini PCI Express Card slot compartment cover” on page 36
 “1040 Hard disk drive” on page 39
 “1050 Optical drive” on page 43
 “1080 Keyboard” on page 49
Figure 9. Removal steps of keyboard bezel
Lenovo G480/G485/G580/G585
Remove the eleven screws  , the three screws   and the one screw   on the 
bottom.
abc
3
111
1
1
1
1
1
1
1
1
222 
						

							Lenovo G480/G485/G580/G585/G780
53
Lenovo G780
Remove the sixteen screws  , the four screws   and the two screws   on the 
bottom.
StepScrew (quantity)ColorTorque
G480/G485/G580/G585: M2.5×6.0 mm, 
flat-head, nylok-coated (11)
G780: M2.5×8.0 mm, flat-head,
nylok-coated (16)Black 2.0-2.5 kgfcm
G480/G485/G580/G585: M2.0×3.0 mm, 
flat-head, nylok-coated (3)
G780: M2.0×2.0 mm, flat-head,
nylok-coated (4)Black 1.5-2.0 kgfcm
G480/G485/G580/G585: M2.5×4.0 mm, 
flat-head, nylok-coated (1)
G780: M2.0×3.0 mm, flat-head,
nylok-coated (2)Black 2.0-2.5 kgfcm
1.5-2.0 kgfcm
abc
11
111
111
1
1
1
2222
33
1
a
b
c 
						

							Lenovo G480/G485/G580/G585/G780 Hardware Maintenance 
Manual
54
Figure 9. Removal steps of keyboard bezel (continued)
Lenovo G480/G485/G580/G585
Remove the screw  .
Lenovo G780
Remove the four screws  .
StepScrew (quantity)ColorTorque
G480/G485/G580/G585: M2.5×6.0 mm, 
flat-head, nylok-coated (1)
G780: M2.5×5.0 mm, flat-head,
nylok-coated (4)Black 2.0-2.5 kgfcm
d
4
d
G770
4
4
44
d 
						

							Lenovo G480/G485/G580/G585/G780
55
Figure 9. Removal steps of keyboard bezel (continued)
Detach the FPC connectors in the direction shown by arrows  .
Lenovo G480/G485/G580/G585
Lenovo G780
e
5
5
G770
5
5
5 
						

							Lenovo G480/G485/G580/G585/G780 Hardware Maintenance 
Manual
56
Figure 9. Removal steps of keyboard bezel (continued)
Remove the keyboard bezel in the direction shown by arrow  .
Lenovo G480/G485/G580/G585
Lenovo G780
When installing: Make sure that all the FPC connectors, microphone connectors 
are attached firmly.
f
6
G
77
0
6