Lenovo ThinkPad L520 Hardware Maintenance Manual - Page 107

If the Windows Certificate of Authentication label COA, For ThinkPad L420 and L421 models

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For ThinkPad L420 and L421 models: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. If the Windows Certificate of Authentication label (COA) 3 is attached to a part that is replaced, return the old part with the label attached to the customer, or provide a letter to the customer stating what the label was originally on the system and what the label part number, serial number, and product key were. When you replace the base cover, apply the following labels: 4 Battery word label 6 Homologation label The following labels need to be peeled off from the old base cover, and need to be put on the new base cover. 1 MAC address label 2 Wireless WAN MAC address label 5 Non-Encryption label or Indonesia rating label 7 Serial number label 8 FCC label 9 SIM ICC ID label 10 Indonesia postel label or Brazil Anatel BG label 11 SIRIM label or Brazil Anatel Bluetooth label 12 Israel label (SIM models) 13 Product label For some models, you need to apply two FCC labels. Check the old base cover; if it has two FCC labels, apply both to the new base cover. Chapter 8. Removing and replacing a FRU 101

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For ThinkPad L420 and L421 models:
Applying labels to the base cover
The new base cover FRU is shipped with a kit containing labels of several kinds.
If the Windows Certificate of Authentication label (COA)
3
is attached to a part that is replaced, return the
old part with the label attached to the customer, or provide a letter to the customer stating what the label
was originally on the system and what the label part number, serial number, and product key were.
When you replace the base cover, apply the following labels:
4
Battery word label
6
Homologation label
The following labels need to be peeled off from the old base cover, and need to be put on the new base cover.
1
MAC address label
9
SIM ICC ID label
2
Wireless WAN MAC address label
10
Indonesia postel label or Brazil Anatel BG label
5
Non-Encryption label or Indonesia rating label
11
SIRIM label or Brazil Anatel
Bluetooth
label
7
Serial number label
12
Israel label (SIM models)
8
FCC label
13
Product label
For some models, you need to apply two FCC labels. Check the old base cover; if it has two FCC labels,
apply both to the new base cover.
Chapter 8
.
Removing and replacing a FRU
101