Dell Studio 1440 (Mid 2009) - Manual (Page 36)

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Solving Problems
If the power light is solid white and the
computer is not responding — The display may
not be responding. Press the power button until
the computer turns off and then turn it back on.
If the power light is blinking white — The
computer is in standby mode. Move the pointer
using the connected mouse or press the power
button to resume normal operation.
If you encounter interference that hinders
reception on your computer — An unwanted
signal is creating interference by interrupting or
blocking other signals. Some possible causes of
interference are:
Power, keyboard, and mouse extension cables. •
Too many devices connected to a power strip. •
Multiple power strips connected to the same •
electrical outlet.
Memory Problems
If 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 the
Service Manual on the Dell Support website
at support.dell.com).
Reseat the memory modules (see the
•
Service Manual on the Dell Support website
at support.dell.com) to ensure that your
computer is successfully communicating
with the memory.