Owners Manual

● 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.
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.
Related references
Getting help on page 157
Using system diagnostics on page 141
Related tasks
Removing the system cover on page 54
Removing the hard drive backplane on page 124
Removing the cooling shroud on page 59
Removing a cooling fan on page 85
Removing an AC power supply unit on page 116
Removing a hot swappable hard drive carrier on page 68
Removing a heat sink on page 107
Removing a processor on page 108
Removing memory modules on page 65
Removing the system board on page 135
Installing the system cover on page 55
Troubleshooting a damaged 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. Ensure that the following components are properly installed:
● cooling shroud
● expansion card risers (if installed)
● expansion cards
● power supply unit(s)
● cooling fan assembly (if installed)
● cooling fan(s)
● processor(s) and heat sink(s)
● memory modules
● drive carriers or cage
● drive backplane
4. Ensure that all cables are properly connected.
5. Install the system cover.
6. Run the appropriate diagnostic test. For more information, see the Using system diagnostics section.
Troubleshooting your system
149