5. Remove the screws that secure the USB/Audio card 1 , and then remove the USB/Audio card 2 .
6. Install the new USB/Audio card in place 1 , and then reinstall the screws that secure the USB/Audio card
2 .
7. Reinstall the base cover assembly.
8. Turn the computer over again. Connect the ac power adapter and all cables to the computer.
Replacing the speaker assembly (for ThinkPad L480 computers)
Before you start, read “Important safety information” on page v and print the following instructions.
To replace the speaker assembly, do the following:
1. Disable the built-in battery. See “Disabling the built-in battery” on page 100.
2. Ensure that the computer is turned off and disconnected from ac power and all cables.
3. Close the computer display and turn the computer over.
4. Remove the base cover assembly. See “Replacing the base cover assembly” on page 102.
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L480 and L580 User Guide
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