Troubleshooting A Wet 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.
3.
Disassemble components from the system:
– Hard drive carriers
– Hard-drive backplane
– USB memory key
– Cooling shroud/processor expansion module
– Expansion cards and expansion card risers
– Power supply(s)
– Cooling-fan assembly
– Processor(s) and heat sink(s)
– Memory modules
– Network daughter card and PCH shroud if applicable
4.
Let the system dry thoroughly for at least 24 hours.
5.
Reinstall the components you removed in step 3.
6.
Close the system.
7.
Turn on the system and attached peripherals.
If the system does not start properly, see
Getting Help
.
8.
If the system starts properly, shut down the system and reinstall all of the expansion cards that you removed.
9.
Run the appropriate diagnostic test.
If the tests fail, see
Getting Help
.
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.
3.
Ensure that the following components are properly installed:
– Cooling shroud/processor expansion module
– Expansion cards and Expansion-card risers
– Power supply(s)
– Cooling-fan assembly
– Processor(s) and heat sink(s)
105
Summary of Contents for PowerEdge R820
Page 1: ...Dell PowerEdge R820 Owner s Manual Regulatory Model E21S Series Regulatory Type E21S001 ...
Page 8: ...8 ...
Page 32: ...32 ...
Page 42: ...Figure 15 Memory Socket Locations on the System Board 42 ...
Page 124: ...124 ...
Page 142: ...142 ...
