Troubleshooting Your System 1732 Turn off the system and attached peripherals, and disconnect the systemfrom the electrical outlet and peripherals.3 Open the system. See "Opening the System" on page 68.4 Locate the faulty fan indicated by the LCD display or diagnostic software.For the identification number of each fan, see "Integrated TOE" onpage 123.5 Ensure that the faulty fan's power cable is firmly attached to the fan powerconnector. See "Integrated TOE" on page 123.6 Reconnect the system to its electrical outlet, and turn on the system andattached peripherals.7 If the problem is not resolved, install a new fan. See "Integrated TOE" onpage 123.If the replacement fan is working properly, close the system. See "Closingthe System" on page 70.If the replacement fan does not operate, see "Getting Help" on page 205.Troubleshooting System MemoryProblem• Faulty memory module.• Faulty system board.• Front-panel status LCD indicates a problem with system memory.ActionCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.1 If the system is operational, run the appropriate online diagnostic test. See"Using Dell PowerEdge Diagnostics" on page 193.
