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When installing:
Ensure that the connector of the dc-in cable is attached firmly.
1220 Keyboard bezel assembly
Note: Before you start the servicing, disable the built-in battery. See "Disabling the built-in battery" on page
68.
For access, remove these FRUs in order:
• "1010 Removable battery" on page 68
• "1020 Micro SIM card" on page 69
• "1030 Base cover assembly" on page 69
• "1040 Memory module" on page 71
• "1050 Internal storage drive" on page 72
• "1060 Wireless-WAN card" on page 76 or "1080 M.2 solid-state drive in the Wireless-WAN-card slot" on
page 79
• "1070 Wireless-LAN module or WiGig module" on page 77
• "1090 Keyboard" on page 79
• "1100 Coin-cell battery" on page 81
• "1110 Speaker assembly" on page 82
• "1120 Built-in battery" on page 83
• "1130 Smart-card reader assembly" on page 84
• "1140 I/O bracket and RJ45 bracket" on page 85
• "1150 Thermal fan assembly" on page 86
• "1160 System board" on page 88
• "1170 Power-button card" on page 90
• "1180 Fingerprint-reader card" on page 91
• "1190 NFC module" on page 92
• "1200 LCD unit" on page 93
• "1210 dc-in cable assembly" on page 95
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T470 Hardware Maintenance Manual
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