Lenovo G510 Service Manual

							Lenovo G400/G500/G405/G505/G410/G510
37 1020 Dummy card
For access, remove this FRU:
 “1010 Battery pack” on page 36
Figure 2. Removal steps of dummy cards
Remove the dummy card in the direction shown by arrows    .
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							Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
Manual
381030 Hard disk drive(HDD)/Memory/Mini PCI Express Card 
slot compartment cover
For access, remove this FRU:
 “1010 Battery pack” on page 36
Figure 3. Removal steps of HDD/Memory/Mini PCI Express Card slot compartment 
cover
Loosen the screws   that secure the compartment cover. Remove the 
compartment cover   .
StepScrew (quantity)ColorTorque
M2.5 × 6 mm, flat-head, nylok-coated 
(2) (G400)
M2.5 × 4 mm, flat-head, nylok-coated 
(2) (G500)Black
Black1.5 ~ 2.0 kgfcm
2.0 ~ 2.5 kgfcm
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							Lenovo G400/G500/G405/G505/G410/G510
39 1040 Hard disk drive
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
Figure 4. Removal steps of hard disk drive
Remove the frame fixing screws  .
StepScrew (quantity)ColorTorque
M2.5 × 6 mm, flat-head, nylok-coated 
(2) (G400)
M2.5 × 4 mm, flat-head, nylok-coated 
(2) (G500)Black
Black2.0 ~ 2.5 kgfcm
2.0 ~ 2.5 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 G400/G500/G405/G505/G410/G510 Hardware Maintenance 
Manual
40
Figure 4. Removal steps of hard disk drive (continued)
Pull the tab in the direction shown by arrow  .
Take out the hard disk drive secured in a metal frame  .
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							Lenovo G400/G500/G405/G505/G410/G510
41
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 2.5 ~ 3.0 kgfcm
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							Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
Manual
421050 Optical drive
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
Figure 5. Removal steps of optical drive
Remove the screw  , insert a screw driver 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  .
StepScrew (quantity)ColorTorque
M2.5 × 6 mm, flat-head, nylok-coated 
(1)Black 1.5 ~ 2.0 kgfcm
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							Lenovo G400/G500/G405/G505/G410/G510
43
Figure 5. Removal steps of optical drive (continued)
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							Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
Manual
441060 DIMM
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
Figure 6. 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 G400/G500/G405/G505/G410/G510
45 1070 PCI Express Mini Card for wireless LAN/WAN
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
Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN
Disconnect the two wireless LAN cables  , 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  .
Remove the card in the direction shown by arrow  .
StepScrew (quantity)ColorTorque
M2 × 3 mm, flat-head, nylok-coated (1) Black 1.0 ~ 1.5 kgfcm
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							Lenovo G400/G500/G405/G505/G410/G510 Hardware Maintenance 
Manual
46
Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued)
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.