Lenovo ThinkPad E450 (English) Hardware Maintenance Manual - ThinkPad E450, E4 - Page 93

If the Windows Certificate of Authentication COA label

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Remove the wireless LAN antennas assembly from the base cover assembly. Antenna locations a Wireless LAN auxiliary antenna (black) b Wireless LAN main antenna (gray) 5a 5b Attention: When you route the cables, ensure that they are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. Apply those labels when you replace the base cover. For the labels that are not shipped with the new base cover, peel them off from the old base cover, and adhere them to the new one. The following illustration shows the location of each label. 1 2 3 4 5 16 6 7 15 8 9 14 10 11 13 12 If the Windows Certificate of Authentication (COA) label 12 is attached to a part that is replaced, do one of the following: • Return the old part with the label attached to the customer. Chapter 9. Removing or replacing a FRU 87

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Remove the wireless LAN antennas assembly from the base cover assembly.
Antennalocations
a
Wireless LAN auxiliary antenna (black)
b
Wireless LAN main antenna (gray)
5b
5a
Attention:
When you route the cables, ensure that they are not subject to any tension. Tension could cause
the cables to be damaged by the cable guides, or a wire to be broken.
Applyinglabelstothebasecover
The new base cover FRU is shipped with a kit containing labels of several kinds. Apply those labels when
you replace the base cover. For the labels that are not shipped with the new base cover, peel them off from
the old base cover, and adhere them to the new one.
The following illustration shows the location of each label.
1
2
3
8
4
5
9
11
7
6
10
12
13
14
15
16
If the Windows Certificate of Authentication (COA) label
12
is attached to a part that is replaced, do one
of the following:
• Return the old part with the label attached to the customer.
Chapter 9
.
Removing or replacing a FRU
87