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11. Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.
12. Press <F2> to enter the System Setup, and check the memory settings.
The system should have already changed the value to reflect the newly installed memory.
13. If the value is incorrect, one or more of the memory modules may not be installed properly. Repeat step 4 through
step 7 of this procedure, checking to ensure that the memory modules are firmly seated in their sockets.
14. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.
Cooling Fans
The system supports the following:
• An internal cooling fan
• An optional external cooling fan at the back of the chassis
NOTE: When selecting or upgrading your system configuration, verify the system power consumption with the Dell
Energy Smart Solution Advisor at dell.com/ESSA to ensure optimum power utilization.
Removing The Internal Cooling Fan
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.
CAUTION: Never operate your system with the internal cooling fan removed. System can overheat and result in
shutdown of the system and loss of data.
CAUTION: Do not operate the system with the cover removed for a duration exceeding 5 minutes.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2. If applicable, rotate the system feet inward and lay the system on its side on a flat, stable surface.
NOTE: For systems installed with the wheel assembly, ensure that you lay the system on a sturdy, stable
surface with the wheel assembly extending off the edge of the surface.
3. Open the system.
4. Remove the cooling shroud.
5. Disconnect the internal cooling fan power cable from the system board.
6. Release the internal cooling fan power cable from the securing clips on the chassis and system board.
CAUTION: Do not remove or install the internal cooling fan by holding the blades.
7. Press the release tab on the internal cooling fan and, holding the internal cooling fan by the sides, slide it out in the
direction of the arrow marked on the fan.
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