Troubleshooting A Damaged System - Dell E31S Series Owner's Manual

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 fans
• 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.
Related reference
Getting help
Using system diagnostics

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 fans
154 Troubleshooting your system