Dell PowerVault 775N (Rackmount NAS Appliance) - Manual (Page 52)

7. If the System Memory value is incorrect, one or more of the memory modules may not be installed properly. Repeat
steps 1 through 6, ensuring that the memory modules are firmly seated in their connectors.
8. Run the system memory test in system diagnostics.
Installing Memory Modules
CAUTION: Before you perform this procedure, read the safety instructions in your System Information
document.
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System
Information document.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the cover (see " Removing the Cover ").
3. Locate the memory module connectors in which you will install a memory module (see Figure 5-3 ).
4. Press down and outward on the memory module connector ejectors, as shown in Figure 4-14 , to allow the memory
module to be inserted into the connector.
Figure 4-14. Removing and Installing a Memory Module
5. Align the memory module's edge connector with the alignment key, and insert the memory module in the connector
(see Figure 4-14 ).
The memory module connector has an alignment key that allows the memory module to be installed in the connector in
only one way.
6. Press down on the memory module with your thumbs while pulling up on the ejectors with your index fingers to lock
the memory module into the connector (see Figure 4-14 ).
When the memory module is properly seated in the connector, the memory module connector ejectors should align with
the ejectors on the other connectors with memory modules installed.
7. Repeat steps 3 through 6 of this procedure to install the remaining memory modules.
8. Perform steps 4 through 8 of the procedure in " Performing a Memory Upgrade ."
Removing Memory Modules
CAUTION: Before you perform this procedure, read the safety instructions in your System Information
document.