• 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 o 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 step
If the tests fail, see the Getting help section.
Related link
Getting help
Using system diagnostics
Troubleshooting a damaged system
Prerequisite
CAUTION
: Many repairs may only be done by a certied 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 o 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
• processor(s) and heat sink(s)
• memory modules
• hard drive carriers/cage
• hard 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.
Next step
If the problem persists, see the Getting help section.
Troubleshooting your system
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