Lenovo M4400s notebook User Manual

Page 56

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Removal steps of the base cover

Remove the screws

1

and

2

.

1

1

1

1

1

1

1

1

1

1

1

1

2

Step

Screw (quantity)

Color

Torque

1

M2.5 × 7 mm, flat-head, nylon-coated (12)

Black

0.392 Nm
(4.0 kgf-cm)

2

M2.5 × 5 mm, flat-head, nylon-coated (1)

Black

0.392 Nm
(4.0 kgf-cm)

Remove the base cover.

3

3

3

3

3

3

3

3

3

3

3

3

3

3

4

Applying labels to the base cover

The new base cover is shipped with a kit containing labels of several kinds. Apply the labels as shown in the
following illustration when you replace the base cover. For the labels not shipped with the new base cover,
peel them off from the old base cover, and adhere them to the new one.

Note: If you replace a part with the Windows Certificate of Authentication (COA) label

8

, return the old part

with the label attached to the customer. Otherwise, you can provide the customer with a letter, stating the
original location of the label on the computer and the information on the label, such as the part number,
serial number, and product key.

50

Hardware Maintenance Manual

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