Dell OptiPlex 9020 Owner's Manual

Also see for OptiPlex 9020: Setup & features Manual Owner's manual Specifications Owner's manual

Contents

• Memory modules of different sizes can be mixed (for example, 2 GB and 4 GB). But, all populatedchannels must have identical configurations.• Memory modules must be installed beginning with the first socket.NOTE: The memory sockets in your computer may be labeled differently depending on thehardware configuration. For example, A1, A2 or 1,2,3.• If the quad-rank memory modules are mixed with single or dual-rank modules, the quad-rankmodules must be installed in the sockets with the white release levers.• If memory modules with different speeds are installed, they operate at the speed of the slowestinstalled memory modules.Removing the Memory1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Press down on the memory retaining tabs on each side of the memory modules, and lift the memorymodules out of the connectors on the system board.Installing the Memory1. Align the notch on the memory-card with the tab in the system-board connector.2. Press down on the memory module until the release tabs spring back to secure them in place.3. Install the cover.4. Follow the procedures in After Working Inside Your Computer.Removing the Coin-Cell Battery1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a. coverb. expansion card(s)14