Dell OptiPlex 160L - Manual (Page 52)

10. Connect your computer and devices to electrical outlets, and turn them on.
11. The computer detects that the new memory does not match the existing configuration information and generates the following message:
The amount of system memory has changed.
Strike the F1 key to continue, F2 to run the setup utility
12. Press to enter system setup and check the value for System Memory.
The computer should have changed the value of System Memory to reflect the newly installed memory. Verify the new total. If it is correct, skip to
step 14 .
13. If the memory total is incorrect, turn off and disconnect your computer and devices from their electrical outlets. Remove the computer cover and check
the installed memory modules to ensure that they are seated properly in their sockets. Then repeat steps 9, 10, and 11.
14. When the System Memory total is correct, press to exit system setup.
15. Run the Dell Diagnostics to verify that the memory modules are operating properly.
Removing Memory
1. Shut down the computer through the Start menu.
2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.
3. Disconnect any telephone or telecommunication lines from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
5. Remove the computer cover .
6. Press out the securing clip at each end of the memory module connector.
7. Grasp the module and pull up.
If the module is difficult to remove, gently ease the module back and forth to remove it from the connector.
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CAUTION: Before you begin this procedure, follow the safety instructions .
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.