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Table 15. Removal steps of backup battery (continued)
When installing:
Make sure that the battery connector is attached firmly.
1080 PCI Express Mini Card for wireless WAN
For access, remove these FRUs in order:
•
"1010 Battery pack" on page 63
•
"1040 Keyboard" on page 67
•
"1050 Palm rest or palm rest with a fingerprint reader" on page 69
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ThinkPad X220 and X220i Hardware Maintenance Manual
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