Troubleshooting a wet systemPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat are shipped with your product.Steps1. 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 board4. 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, shut down the system, and reinstall all the expansion cards that youremoved.9. Run the appropriate diagnostic test. For more information, see the Using system diagnostics section.Next stepsIf the tests fail, see the Getting help section.Related LinksGetting helpUsing system diagnostics227
