Troubleshooting Your System 165
• NIC hardware key
• Internal Dual SD Module
• Expansion cards and both expansion-card risers
• Integrated storage controller
• iDRAC6 Enterprise card
• Power supplies
• Processors and heat sinks
4
Let the system dry thoroughly for at least 24 hours.
5
Reinstall the components you removed in step 3.
6
Close the system. See "Closing the System" on page 85.
7
Reconnect the system to the electrical outlet, and turn on the system and 
attached peripherals.
If the system does not start properly, see "Getting Help" on page 195.
8
Run the appropriate online diagnostic test. See "Using Online Diagnostics" 
on page 181.
If the tests fail, see "Getting Help" on page 195.
Troubleshooting a Damaged 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.
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 84.
3
Ensure that the following components are properly installed:
• Hard drives
• Cooling fan assembly
•SD cards
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