Removal steps of the heatsink
1120 Nano-SIM card cable and board (for selected models)
For access, remove these FRUs in order:
• "1010 Electronic pen / Pen dummy (for selected models of Lenovo 300e/500e Chromebook Gen 3)" on
page 38
• "1020 Base cover assembly" on page 39
• "1040 Wireless LAN card (for selected models)" on page 41
• "1050 Wireless WAN card (for selected models)" on page 42
• "1090 USB-C bracket" on page 46
• "1100 System board" on page 47
• "1110 Heatsink" on page 48
Removal step of the nano-SIM card cable and board
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Chapter 5
Removing or replacing a FRU