Dell OptiPlex GX100 - Manual (Page 71)

5. Press <F2> to enter System Setup , and check the value for System Memory .
The system should have already changed the value of System Memory to reflect the newly installed memory. Verify the new total. If it is
correct, skip to
step 7 .
6. If the memory total is incorrect, turn off and disconnect your computer and peripherals from their electrical outlets. Remove the computer
cover, rotate the power supply, and check the installed DIMMs to make sure that they are seated properly in their sockets. Then repeat steps
3, 4, and 5 .
7. Reset the chassis intrusion detector by changing Chassis Intrusion to Enabled or Enabled-Silent.
8. When the System Memory total is correct, press <Esc> to exit System Setup.
9. Run the Dell Diagnostics to verify that the DIMMs are operating properly.
Removing DIMMs
To remove a DIMM, press the securing clips outward simultaneously until the DIMM disengages and pops out slightly from the socket (see Figure
2).
Figure 2. Removing a DIMM
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NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting
the chassis intrusion detector.
1 Securing clips (2)