Lenovo G70 Manual

							Lenovo G70-70/G70-80/Z70-80
37 1040 Hard disk drive
For access, remove these FRUs in order:
 “1010 Battery pack” on page 34
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 36
Figure 4. Removal steps of hard disk drive
Remove the frame fixing screws  .
StepScrew (quantity)ColorTorque
M2.0 × 6 mm, flat-head, nylok-coated 
(4) Black 2.0 kgfcm
Attention:
Do not drop the hard disk drive or apply any physical shock to it. 
The hard disk drive is sensitive to physical shock. Improper handling 
can cause damages and permanent loss of data.
 Before removing the drive, suggest the customer to backup all the 
information on it if possible.
 Never remove the drive while the system is operating or is in suspend 
mode.
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							Lenovo G70-70/G70-80/Z70-80 Hardware Maintenance Manual
38
Figure 4. Removal steps of hard disk drive (continued)
Push the hard disk drive in the direction shown by arrow  .
Take out the hard disk drive secured in a metal frame  .
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							Lenovo G70-70/G70-80/Z70-80
39
Figure 4. Removal steps of hard disk drive (continued)
Remove four screws   and detach the metal frame from the hard disk drive.
When installing: Make sure that the HDD connector is attached firmly.
StepScrew (quantity)ColorTorque
M3 × 3 mm, flat-head, nylok-coated(4) White 3.0 kgfcm
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							Lenovo G70-70/G70-80/Z70-80 Hardware Maintenance Manual
401050 DIMM
For access, remove these FRUs in order:
 “1010 Battery pack” on page 34
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 36
Figure 5. Removal steps of DIMM
Release the two latches on both edges of the socket at the same time in the 
direction shown by arrows  , and then unplug the DIMM in the direction 
shown by arrow  .
Note: If only one DIMM is used on the computer you are servicing, the card must 
be installed in SLOT-0 (  : lower slot), but not in SLOT-1 (  : upper slot).
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When installing: Insert the notched end of the DIMM into the socket. Push the 
DIMM firmly, and pivot it until it snaps into the place. Make sure that it is firmly 
fixed in the slot and difficult to be moved.
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							Lenovo G70-70/G70-80/Z70-80
41 1060 PCI Express Mini Card for wireless LAN/WAN
For access, remove these FRUs in order:
 “1010 Battery pack” on page 34
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 36
Figure 6. 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 × 3 mm, flat-head, nylok-coated (1) Black 2.0 kgfcm
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							Lenovo G70-70/G70-80/Z70-80 Hardware Maintenance Manual
42
Figure 6. 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.
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							Lenovo G70-70/G70-80/Z70-80
43 1070 Optical drive
For access, remove these FRUs in order::
 “1010 Battery pack” on page 34
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 36
Figure 7. Removal steps of optical drive
Remove the screw  .
StepScrew (quantity)ColorTorque
M2 × 3 mm, flat-head, nylokcoated (1) Black 2.0 kgfcm
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							Lenovo G70-70/G70-80/Z70-80 Hardware Maintenance Manual
44
Figure 7. Removal steps of optical drive (continued)
Insert a screwdriver into the screw hole and push the optical drive in the 
direction shown by arrow  . Pull the optical drive out in the direction shown 
by arrow  .
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							Lenovo G70-70/G70-80/Z70-80
45 1080 Fan assembly
For access, remove these FRUs in order:
 “1010 Battery pack” on page 34
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 36
Figure 8. Removal steps of fan assembly
Detach the fan connector in the direction shown by arrow   and loosen the 
three screws   to lift the fan assembly.
When installing: Make sure that the fan connector is attached firmly to the 
system board.
StepScrew (quantity)ColorTorque
M2.0 × 6.0 mm, flat-head, nylok-coated (3) Black 2.0 kgfcm
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							Lenovo G70-70/G70-80/Z70-80 Hardware Maintenance Manual
461090 Keyboard
For access, remove these FRUs in order::
 “1010 Battery pack” on page 34
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 36
 “1080 Fan assembly” on page 45
Figure 9. Removal steps of keyboard
Z70-80: Remove the screws  .
StepScrew (quantity)ColorTorque
M2.0 × 6 mm, flat-head, nylokcoated(3) Black 2.0 kgfcm
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