Dell OptiPlex GX270 User Manual
Page 50
The computer should have changed the value of System Memory to reflect the newly installed memory capacity, speed, and mode (single or dual).
Verify that the information is correct. If it is correct, skip to
.
16.
If the memory total is incorrect, turn off and disconnect your computer and devices from their electrical outlets. Open the computer cover and check the
installed memory modules to ensure that they are seated properly in their sockets. Then repeat steps
.
17.
When the System Memory total is correct, press <Esc> to exit system setup.
18.
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 stand, if it is attached.
6.
Open the computer cover.
7.
Press out the securing clip at each end of the memory module connector.
8.
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 any of the procedures in this section, follow the steps in "
Safety Instructions
."
CAUTION:
To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of
your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.
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 opening 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.