Dell PowerEdge R830 Owners Manual - Page 177

Troubleshooting a wet system

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6. Ensure that all the NICs, hubs, and switches on the network are set to the same data transmission speed and duplex. For more information, see the documentation for each network device. 7. Ensure that all the NICs and switches on the network are set to the same data transmission speed and duplex. For more information, see the documentation for each network device. 8. Ensure that all network cables are of the proper type and do not exceed the maximum length. Next steps If the problem persists, see the Getting help section. Related references Getting help on page 188 Using system diagnostics on page 166 Troubleshooting a wet system Prerequisites 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 are shipped with your product. Steps 1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet. 2. Remove the system cover. 3. Remove the following components (if installed) from the system: ● Power supply unit(s) ● Optical drive ● Hard drives ● Hard drive backplane ● USB memory key ● Hard drive tray ● Cooling shroud ● Expansion card risers (if installed) ● Expansion cards ● Cooling fan assembly (if installed) ● Cooling fan(s) ● Memory modules ● Processor(s) and heat sink(s) ● System board 4. Let the system dry thoroughly for at least 24 hours. 5. Reinstall the components you removed in step 3 except the expansion cards. 6. Install the system cover. 7. Turn on the system and attached peripherals. If the problem persists, see the Getting help section. 8. If the system starts properly, turn off the system, and reinstall all the expansion cards that you removed. 9. Run the appropriate diagnostic test. For more information, see the Using system diagnostics section. Next steps If the tests fail, see the Getting help section. Troubleshooting your system 177

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6.
Ensure that all the NICs, hubs, and switches on the network are set to the same data transmission speed and duplex. For
more information, see the documentation for each network device.
7.
Ensure that all the NICs and switches on the network are set to the same data transmission speed and duplex. For more
information, see the documentation for each network device.
8.
Ensure that all network cables are of the proper type and do not exceed the maximum length.
Next steps
If the problem persists, see the Getting help section.
Related references
Getting help
on page 188
Using system diagnostics
on page 166
Troubleshooting a wet system
Prerequisites
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 are shipped with your product.
Steps
1.
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2.
Remove the system cover.
3.
Remove the following components (if installed) from the system:
●
Power supply unit(s)
●
Optical drive
●
Hard drives
●
Hard drive backplane
●
USB memory key
●
Hard drive tray
●
Cooling shroud
●
Expansion card risers (if installed)
●
Expansion cards
●
Cooling fan assembly (if installed)
●
Cooling fan(s)
●
Memory modules
●
Processor(s) and heat sink(s)
●
System board
4.
Let the system dry thoroughly for at least 24 hours.
5.
Reinstall the components you removed in step 3 except the expansion cards.
6.
Install the system cover.
7.
Turn on the system and attached peripherals.
If the problem persists, see the Getting help section.
8.
If the system starts properly, turn off the system, and reinstall all the expansion cards that you removed.
9.
Run the appropriate diagnostic test. For more information, see the Using system diagnostics section.
Next steps
If the tests fail, see the Getting help section.
Troubleshooting your system
177