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
Turn off the system and attached peripherals, and disconnect the
system from the electrical outlet.
Remove the system cover.
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
Let the system dry thoroughly for at least 24 hours.
Reinstall the components you removed in step 3 except the expansion
cards.
Install the system cover.
Turn on the system and attached peripherals.
If the problem persists, see the Getting help section.
If the system starts properly, turn off the system, and reinstall
all the expansion cards that you removed.
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.
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