114 Troubleshooting Your System
Troubleshooting System Cooling Problems CAUTION: Many repairs may only be done by a certified service technician.
Youshould only perform troubleshooting and simple repairs as authorized in
yourproduct documentation, or as directed by the online or telephone service
andsupport 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
withthe product.
Ensure that none of the following conditions exist:
• System cover, cooling shroud, drive blank, power supply blank, or front or
back filler panel is removed.
• Ambient temperature is too high.
• External airflow is obstructed.
• Cables inside the system obstruct airflow.
• An individual cooling fan is removed or has failed. See "Troubleshooting a
Fan" on page114.
Troubleshooting a Fan CAUTION: Many repairs may only be done by a certified service technician.
Youshould only perform troubleshooting and simple repairs as authorized in
yourproduct documentation, or as directed by the online or telephone service
andsupport 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
withthe product.
1
Locate the faulty fan indicated by the LED panel.
2
Turn off the system and all attached peripherals.
3
Open the system. See "Opening the System" on page 58.
4
Reseat the fan's power cable.
5
Restart the system.
If the fan functions properly, close the system. See "Closing the System" on
page59.
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