Troubleshooting Your System 177
• USB memory key
• NIC hardware key
• Expansion cards and both expansion-card risers
• I/O card
• Integrated storage controller
• Power supplies
• Processors and heat sinks
4
Let the system dry thoroughly for at least 24 hours.
5
Reinstall the components you removed in step3.
6
Close the system. See "Closing the System" on page90.
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 page203.
8
Run the appropriate online diagnostic test. See "Using Online Diagnostics"
on page193.
If the tests fail, see "Getting Help" on page203.
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 89.
3
Ensure that the following components are properly installed:
• Hard drives
• Memory risers
• Cooling fan assembly
book.book Page 177 Wednesday, January 20, 2010 10:20 AM