Lenovo Flex 2 User Guide

							Lenovo Flex 2-14/Flex 2-14D/Flex 2-15/Flex 2-15D
37 1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card 
slot compartment cover
For access, remove these FRUs in order:
 “1010 Keyboard” on page 34
 “1020 Optical drive” on page 36
Figure 3. Removal steps of HDD/Memory/Mini PCI Express Card slot compartment 
cover
Loosen the screws   and   that secure the compartment cover. Remove 
the compartment cover   .
StepScrew (quantity)ColorTorque
M2 × 6 mm,  flat-head, nylok-
coated (8) (Flex 2-14/Flex 2-14D)
M2 × 3.5 mm, flat-head, nylok-
coated (4) (Flex 2-15/Flex 2-15D)
M2 × 6 mm, flat-head, nylok-
coated (4) (Flex 2-15/Flex 2-15D)
M2 × 2 mm, flat-head, nylok-
coated (3) (Flex 2-15/Flex 2-15D)Black 
Black 
Black 
Black 18~2.0 kgfcm
1.85+/-0.15 kgfcm
1.85+/-0.15 kgfcm
1.85+/-0.15 kgfcm
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							Lenovo Flex 2-14/Flex 2-14D/Flex 2-15/Flex 2-15D Hardware Main-
tenance Manual
38
Figure 3. Removal steps of HDD/Memory/Mini PCI Express Card slot compartment 
cover (continued)
Flex 2-15/Flex 2-15D: Remove the screws   .
Flex 2-14/Flex 2-14 D: Remove the screws   .
StepScrew (quantity)ColorTorque
M2 × 3.5 mm, flat-head, nylok-
coated (4)Black 1.85+/-0.15 kgfcm
StepScrew (quantity)ColorTorque
M2 × 4 mm, flat-head, nylokcoated 
(5)Silver 18~2.0 kgfcm
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b
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b 
						

							Lenovo Flex 2-14/Flex 2-14D/Flex 2-15/Flex 2-15D
39 1040 Battery pack
For access, remove these FRUs in order:
 “1010 Keyboard” on page 34
 “1020 Optical drive” on page 36
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 37
Figure 4. Removal steps of battery pack
Remove the screws  . Unplug connector in the direction shown by arrow  . 
Remove the battery pack in the direction shown by arrows  .
StepScrew (quantity)ColorTorque
M2 × 4 mm, flat-head, nylok-
coated (4) (Flex 2-14/2-14D)
M2 x 3.5 mm, flat-head, nylok-
coated (4) (Flex 2-15/2-15D)Silver
Black1.8~2.0 kgfcm
1.85+/-0.15 kgfcm
DANGER
Only use the battery specified in the parts list for your computer. Any other 
battery could ignite or explode. 
abc
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							Lenovo Flex 2-14/Flex 2-14D/Flex 2-15/Flex 2-15D Hardware Main-
tenance Manual
401050 Hard disk drive
For access, remove these FRUs in order:
 “1010 Keyboard” on page 34
 “1020 Optical drive” on page 36
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 37
 “1040 Battery pack” on page 39
Figure 5. Removal steps of hard disk drive
Remove the frame fixing screws  .
StepScrew (quantity)ColorTorque
M2 × 4 mm, flat-head, nylok-coated (2) 
(Flex 2-14/2-14D)
M2 × 3.5 mm, flat-head, nylok-coated (2) 
(Flex 2-15/2-15D)Silver
Black1.8~2.0 kgfcm
1.85+/-0.15 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 Flex 2-14/Flex 2-14D/Flex 2-15/Flex 2-15D
41
Figure 5. 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 in the direction shown by 
arrow .
Remove the 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
M3.0 × 4 mm, flat-head, nylok-
coated (4) (Flex 2-14/2-14D)
M3.0 × 3.0 mm, flat-head, nylok-
coated (4)  (Flex 2-15/2-15D)Silver
Black1.8~2.0 kgfcm
3.0+/-0.3 kgfcm
b
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							Lenovo Flex 2-14/Flex 2-14D/Flex 2-15/Flex 2-15D Hardware Main-
tenance Manual
421060 DIMM
For access, remove these FRUs in order
 “1010 Keyboard” on page 34
 “1020 Optical drive” on page 36
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 37
 “1040 Battery pack” on page 39
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  .
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.
ab
a a
b 
						

							Lenovo Flex 2-14/Flex 2-14D/Flex 2-15/Flex 2-15D
43 1070 PCI Express Mini Card for wireless LAN/WAN
For access, remove these FRUs in order
 “1010 Keyboard” on page 34
 “1020 Optical drive” on page 36
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 37
 “1040 Battery pack” on page 39
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 × 3.0 mm, flat-head, nylok-coated 
(1) (Flex 2-14/2-14D)
M2 × 3.5 mm, flat-head, nylok-coated 
(1) (Flex 2-15/2-15D)Black
Black1.5~1.8 kgfcm
1.85+/-0.15 
kgfcm
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							Lenovo Flex 2-14/Flex 2-14D/Flex 2-15/Flex 2-15D Hardware Main-
tenance Manual
44
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.
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							Lenovo Flex 2-14/Flex 2-14D/Flex 2-15/Flex 2-15D
45 1080 System board
For access, remove these FRUs in order:
 “1010 Keyboard” on page 34
 “1020 Optical drive” on page 36
 “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot 
compartment cover” on page 37
 “1040 Battery pack” on page 39
 “1050 Hard disk drive” on page 40
 “1060 DIMM” on page 42
 “1070 PCI Express Mini Card for wireless LAN/WAN” on page 43Important 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 Flex 2-14/Flex 2-14D/Flex 2-15/Flex 2-15D Hardware Main-
tenance Manual
46
Figure 8. Removal steps of system board (continued)
Flex 2-15/Flex 2-15D: Remove five screws  .
Flex 2-14/Flex 2-14 D: Remove the two screws   and five screws  .
StepScrew (quantity)ColorTorque
M2 × 3 mm, flat-head, nylok-coated (2) 
(Flex 2-14/Flex 2-14D)
M2 × 4 mm, flat-head, nylok-coated (5) 
(Flex 2-14/Flex 2-14D)
M2.0 × 3.5 mm, flat-head, nylok-coated (5) 
(Flex 2-15/Flex 2-15D)Black
Silver
Black1.5~1.8 kgfcm
1.8~2.0 kgfcm
1.85+/-0.15 kgfcm
a
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