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Table 30. Removal steps of system board assembly (continued)
For ThinkPad L520 models:
2
2
3
For ThinkPad L420 and L421 models:
2
2
3
When installing: Make sure that the connectors are attached rmly to the system board.
2030 USB connector board and USB cable assembly
For access, remove these FRUs in order:
• “1010 Battery pack” on page 57
• “1040 Thermal cover” on page 61
98 Hardware Maintenance Manual