Remove The Speakers; Remove The Dc-In Cable - Lenovo E41-55 Hardware Maintenance Manual

Step 4. Remove the Wireless LAN card.

Remove the speakers

Make sure the following FRUs (CRUs) have been removed.
"Remove the lower case" on page 33
Step 1. Detach the speaker connector from the system board.
Figure 15. Detach the connector
Step 2. Release the speaker cable.
Step 3. Remove the speakers.

Remove the DC-in cable

Make sure the following FRUs (CRUs) have been removed.
"Remove the lower case" on page 33
Step 1. Remove 3 screws.
Figure 16. Remove 3 screws and lift up the hinge
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Lenovo E41-55 Hardware Maintenance Manual