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.
If the tests fail, see the Getting help section.
Related references
Getting help
Using system diagnostics
Related tasks
Removing the system cover
Installing the system cover
Removing the hard drive backplane
Replacing the optional internal USB memory key
Removing the cooling shroud
Removing memory modules
Removing a cooling fan
Removing an AC power supply unit
Removing a DC power supply unit
Removing expansion card risers
Removing an expansion card
Removing a heat sink
Removing a processor
Removing a hot swappable hard drive or solid state drive
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 are shipped with your product.
Troubleshooting your system 185
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