Dell PowerEdge 840 Hardware Owner's Manual (PDF) - Page 44

Removing the Cover, Front-Panel Drive Inserts, Slide the cover forward and grasp it at both ends.

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Removing the Cover CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer and protecting against electrostatic discharge. 1 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet. 2 Remove the bezel. See "Removing the Bezel" on page 43. 3 Lay the system on its right side. 4 Loosen the thumbscrew at the front of the system. See Figure 3-3. 5 Slide the cover forward and grasp it at both ends. 6 Lift the front edge of the cover 2.5 cm (1 inch), slide the cover toward the top of the system, and then lift the cover away from the system. Figure 3-3. Removing the Cover 1 2 1 system cover 2 thumbscrew Front-Panel Drive Inserts To help keep dust and dirt out of the system, a plastic insert covers each empty external drive bay. Additionally, each empty external drive bay is covered by a metal insert in the chassis to maintain Federal Communications Commission (FCC) certification of the system. 44 Installing System Components

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44
Installing System Components
Removing the Cover
CAUTION:
Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your
Product Information Guide
for
complete information about safety precautions, working inside the computer and protecting against electrostatic
discharge.
1
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2
Remove the bezel. See "Removing the Bezel" on page 43.
3
Lay the system on its right side.
4
Loosen the thumbscrew at the front of the system. See Figure 3-3.
5
Slide the cover forward and grasp it at both ends.
6
Lift the front edge of the cover 2.5 cm (1 inch), slide the cover toward the top of the system, and then
lift the cover away from the system.
Figure 3-3.
Removing the Cover
Front-Panel Drive Inserts
To help keep dust and dirt out of the system, a plastic insert covers each empty external drive bay.
Additionally, each empty external drive bay is covered by a metal insert in the chassis to maintain Federal
Communications Commission (FCC) certification of the system.
1
system cover
2
thumbscrew
2
1