•Ensure that the main power cable and the front panel cable are securely connected to the system board connector (see your Service Manual at support.dell.com).
E L I M I N A T E I N T E R F E R E N C E — Some possible causes of interference are:
•Power, keyboard, and mouse extension cables
•Too many devices connected to the same power strip
•Multiple power strips connected to the same electrical outlet
Memory Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety information that shipped with your computer.
I F YOU RECEIVE AN INSUFFICIENT MEMORY MESSAGE —
•Save and close any open files and exit any open programs you are not using to see if that resolves the problem.
•See the software documentation for minimum memory requirements. If necessary, install additional memory (see your Service Manual at support.dell.com).
•Reseat the memory modules (see your Service Manual at support.dell.com) to ensure that your computer is successfully communicating with the memory.
•Run the Dell Diagnostics (see "Dell Diagnostics" on page 42).
I F YOU EXPERIENCE OTHER MEMORY PROBLEMS —
•Reseat the memory modules (see your Service Manual at support.dell.com) to ensure that your computer is successfully communicating with the memory.
•Ensure that you are following the memory installation guidelines (see your Service Manual at support.dell.com).
•Ensure that the memory you are using is supported by your computer. For more information about the type of memory supported by your computer, see "Memory" on page 24.
•Run the Dell Diagnostics (see "Dell Diagnostics" on page 42).
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