8. Install the chassis beam.
9. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the
computer.
Memory module
Prerequisite
Before you start, read Appendix A “Important safety information” on page 85 and print the following
instructions.
Ensure that you follow the installation order for memory modules shown in the following illustration.
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Summary of Contents for ThinkCentre M90t
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