HP Visualize J5000 Owner's Manual page 52

Changing Your Computer's Hardware Configuration
Installing Memory
4. Re-install the air guide with the four screws removed earlier (so it
again looks like Figure 2-7 on page 49), close the system unit and
reconnect all cables.
5. Verify that this installation was successful by following the steps in
"Displaying the Memory Configuration" on page 154.
If you have only replaced a faulty DIMM, you must execute the pdt
clear command in the service menu of the Boot Console Interface.
Answer yes (Y) to the prompt "Continue? (Y/N) >
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