6. Install the new base cover assembly in place 1 . Ensure that the latches of the base cover assembly are
secured under the chassis
2 .
7. Tighten the screws to secure the base cover assembly.
8. Turn the computer over. Connect the ac power adapter and all disconnected cables to the computer.
Troubleshooting
If the computer does not start up after you reinstall the base cover assembly, disconnect the ac power
adapter and then reconnect it to the computer.
Speaker assembly (for E490s)
Prerequisite
Before you start, read Appendix A “Important safety information” on page 73 and print the following
instructions.
44
E490/E490s/R490 User Guide
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