Lenovo ZhaoYang K49 Hardware Maintenance Manual page 76

Removal steps of DC-in bracket and DC-in cable
Remove the DC-in bracket screw
Removal steps of bracket and USB cable
Remove the USB bracket screws
Step Screw (quantity)
1
M2 × 3 mm, flat-head, nylon-coated (2)
When installing: Make sure that the screws are fastened to the base cover and the USB bracket is secured.
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Hardware Maintenance Manual
1
. Then remove the DC-in bracket
1
. Then remove the USB bracket
2 3
and DC-in cable .
2 3
and USB cable .
Torque
Color
Black 1.85 kgf-cm