112 Troubleshooting Your System
Troubleshooting a Damaged System 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
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
2
Open the system. See "Opening the System" on page 58.
3
Ensure that the following components are properly installed:
• Expansion-card riser
• Power supplies
•Fans
• Hard drives
• Processors and heat sinks
• Memory modules
• Cooling shroud
4
Ensure that all cables are properly connected.
5
Close the system. See "Closing the System" on page 59.
6
If the system fails to start, see "Getting Help" on page131.
Troubleshooting the System Battery NOTE: If the system is turned off for long periods of time (for weeks or months),
theNVRAM may lose its system configuration information. This situation is
causedby a defective battery.
1
Re-enter the time and date through the System Setup program.
See" System Setup Options at Boot" on page 38.
2
Turn off the system and disconnect it from the electrical outlet for at
leastone hour.
3
Reconnect the system to the electrical outlet and turn on the system.
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