Installing The Expansion Card; Memory Module Guidelines - Dell OptiPlex 9010 Owner's Manual

4. Press the release lever away from the expansion card and ease the card up and out of its connector.

Installing The Expansion Card

1. Insert the expansion card into the connector on the system board to secure it in place and press down the card
retention latch downward.
2. Install the cover.
3. Follow the procedures in

Memory Module Guidelines

To ensure optimal performance of your computer, observe the following general guidelines when configuring your
system memory:
• Memory modules of different sizes can be mixed (for example, 2 GB and 4 GB). But, all populated channels must
have identical configurations.
• Memory modules must be installed beginning with the first socket.
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After Working Inside Your Computer .