76 Adding Parts
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NOTICE: If you remove your original memory modules from the computer during a memory upgrade,
keep them separate from any new modules that you may have, even if you purchased the new modules
from Dell. You should install your original memory modules in pairs either in connectors DIMM1 and
DIMM2 or connectors DIMM3 and DIMM4. If possible, do not pair an original memory module with a new
memory module. Otherwise, your computer may not function at optimal performance.
NOTE: Memory purchased from Dell is covered under your computer warranty.
Installing Memory CAUTION: Before you begin any of the procedures in this section, follow the safety instructions
located in the Product Information Guide.
1
Shut down the computer through the
Start
menu (see page18).
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.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it
from the network wall jack.
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.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet
before opening the cover.
5
Remove the computer cover (see page55).
6
Lay the computer on its side so that the system board is on the bottom of the inside of the
computer.
NOTE: For easier access to the memory modules, remove the AGP card (see page62) first.
7
If necessary, remove a memory module:
a
Press out the securing clip at each end of the memory module connector.
b
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.
8
To insert a module, press out the securing clip at each end of the memory module connector.