Dell OptiPlex 960 (Late 2008) - Manual (Page 47)

Troubleshooting Tips
47
E LIMINATE INTERFERENCE — 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 working inside your computer, read the safety information that
shipped with your computer. For additional safety best practices information, see
www.dell.com/regulatory_compliance.
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.
• Reseat the memory modules to ensure that your computer is successfully
communicating with the memory.
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 49).
I F YOU EXPERIENCE OTHER MEMORY PROBLEMS —
• Reseat the memory modules to ensure that your computer is successfully
communicating with the memory.
• Ensure that you are following the memory installation guidelines.
• 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 "Specifications" on page 29.
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 49).
Blinking
Blue
The computer is in
standby mode. Press a key on the keyboard, move the
mouse, or press the power button to
resume normal operation.
Light Pattern Problem Description Suggested Resolution