Dell EMU01 Personal Computer User Manual


 
Troubleshooting Your System 103
Troubleshooting a Wet System
Problem
Liquid spilled on the system.
Excessive humidity.
Action
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
1
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2
Open the system. See "Opening and Closing the System" on page 46.
3
Remove all expansion cards installed in the system. See "Removing an Expansion Card" on page 55.
4
Let the system dry thoroughly for at least 24 hours.
5
Close the system. See "Opening and Closing the System" on page 46.
6
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the system does not start properly, see "Getting Help" on page 129.
7
If the system starts properly, shut down the system and reinstall all of the expansion cards that you
removed. See "Installing an Expansion Card" on page 53.
8
Run the appropriate online diagnostic test. See "Using Dell PowerEdge Diagnostics" on page 117.
If the test fails, see "Getting Help" on page 129.
Troubleshooting a Damaged System
Problem
System was dropped or damaged.
Action
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer and protecting against electrostatic
discharge.
1
Open the system. See "Opening and Closing the System" on page 46.
2
Ensure that the following components are properly installed:
Expansion cards
Power supplies