Dell OptiPlex Gn Reference and Installation Guide (.pdf) - Page 61

Removing and Replacing the Expansion-Card Cage, Removing the Expansion-Card Cage

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3. Replace the cover. From the front of the computer, hold the cover at about a 45-degree angle as shown in Figure 5-3. Fit the three cover hooks into the rectangular slots on the chassis. (It may be helpful to look down into the chassis to verify that the hooks are in place.) Pivot the cover down toward the back and into position. Make sure the securing buttons click into place. NOTE: The computer should be placed fully on a flat surface. It is difficult to align the cover if the front of the computer is hanging over the edge of a table. Removing and Replacing the Expansion-Card Cage Your Dell computer has a removable expansion-card cage, which greatly simplifies many installation procedures by allowing you to remove the riser board and all installed expansion cards in a single step. Removing the Expansion-Card Cage Use the following procedure to remove the expansioncard cage: 1. Remove the computer cover as instructed in "Removing the Computer Cover" found earlier in this chapter. 2. Check any cables connected to expansion cards through the back-panel openings. Disconnect any cables that will not reach to where the cage must be placed upon removal from the chassis. 3. Locate the card-cage securing lever (see Figure 5-4). Rotate the lever upward until it stops in an upright position. securing lever ledge hooks in slots Figure 5-3. Replacing the Computer Cover 4. If you are using the optional floor stand, reattach the floor stand. See "Using the Optional Floor Stand" in Chapter 1 for instructions. 5. If you are using a padlock to secure your system, reinstall the padlock. card cage tabs slots Figure 5-4. Removing the ExpansionCard Cage 4. Lift the expansion-card cage up and away from the chassis. Working Inside Your Computer 5-3

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Working Inside Your Computer
5-3
3.
Replace the cover.
From the front of the computer, hold the cover at
about a 45-degree angle as shown in Figure 5-3. Fit
the three cover hooks into the rectangular slots on
the chassis. (It may be helpful to look down into the
chassis to verify that the hooks are in place.)
Pivot the cover down toward the back and into posi-
tion. Make sure the securing buttons click into place.
NOTE: The computer should be placed fully on a flat
surface. It is difficult to align the cover if the front of
the computer is hanging over the edge of a table.
Figure 5-3.
Replacing the Computer Cover
4.
If you are using the optional floor stand, reattach
the floor stand.
See “Using the Optional Floor Stand” in Chapter 1
for instructions.
5.
If you are using a padlock to secure your system,
reinstall the padlock.
R
emoving and Replacing the
Expansion-Card Cage
Your Dell computer has a removable expansion-card
cage, which greatly simplifies many installation pro-
cedures by allowing you to remove the riser board and all
installed expansion cards in a single step.
Removing the Expansion-Card Cage
Use the following procedure to remove the expansion-
card cage:
1.
Remove the computer cover as instructed in
“Removing the Computer Cover” found earlier in
this chapter.
2.
Check any cables connected to expansion cards
through the back-panel openings. Disconnect any
cables that will not reach to where the cage must
be placed upon removal from the chassis.
3.
Locate the card-cage securing lever (see Fig-
ure 5-4). Rotate the lever upward until it stops in
an upright position.
Figure 5-4.
Removing the Expansion-
Card Cage
4.
Lift the expansion-card cage up and away from
the chassis.
ledge
hooks in slots
securing lever
card cage
slots
tabs