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Closing The System
1. Place the cover onto the chassis and offset it slightly toward the back of the system so that it aligns
with the notches and lays flush on the chassis.
2. Slide the cover toward the front of the chassis until it locks in position.
3. Rotate the latch release lock in a clockwise direction to secure the cover.
4. Reconnect the system to the electrical outlet and turn the system on, including any attached
peripherals.
Inside The System
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
Figure 6. Inside the System
1. 2.5 inch (HDD0/1) or 3.5 inch (HDD0) hard-
drive cage
2. power supply
3. cooling shroud 4. DIMMs (4)
5. processor heat sink 6. expansion-card riser
7. expansion card 8. expansion-card latch
9. cooling fans (3) 10. chassis intrusion switch
11. 3.5-inch HDD1 hard-drive cage 12. optical drive
13. cable-routing latch 14. control-panel board
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