Dell Precision 350 User Manual

Page 55

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3.

 

Disconnect any telephone or telecommunication lines from the computer.

4.

 

Disconnect your computer and all attached devices from electrical outlets, and then press the power button to ground the system board.

5.

 

If you have installed a padlock through the padlock ring on the back panel, remove the padlock.

6.

 

Open the computer cover

.

Removing a Memory Module

1.

 

Press out the securing clip at each end of the memory module connector.

2.

 

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.

Installing a Memory Module

1.

 

Press out the securing clip at each end of the memory module connector.

2.

 

Align the notch on the bottom of the module with the crossbar in the connector.

3.

 

Insert the module straight down into the connector, ensuring that it fits into the vertical guides at each end of the connector. Press firmly on the ends

of the module until it snaps into place.

If you insert the module correctly, the securing clips snap into the cutouts at each end of the module.

4.

 

Close the computer cover

.

5.

 

Connect your computer and devices to electrical outlets, and turn them on.

6.

 

Press <F2> 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 8

.

7.

 

If the memory total is incorrect, turn off and disconnect your computer and devices from 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 4, 5, and 6.

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.

1

cutouts (2)

2

connector

3

memory module

4

notch

5

securing clips (2)

NOTICE:

To avoid damage to the memory module, press the module straight down into the socket with equal force applied at each end of the module.

NOTICE:

To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

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