Dell Studio 540 Setup Manual page 26

Solving Problems
If the power light is solid white and the
computer is not responding — The display may
not be connected or powered on. Ensure that
the display is properly connected and then turn
it off, then back on.
If the power light is blinking white — The
computer is in standby mode. Press a key on the
keyboard, move the pointer on the trackpad or a
connected mouse, or press the power button to
resume normal operation.
If the power light is solid amber — The
computer has a power problem or an internal
device malfunction. For assistance contact Dell,
see "Contacting Dell" on page 43.
If the power light is blinking amber — The
computer is receiving electrical power, but a
device might be malfunctioning or incorrectly
installed. You may have to remove and then
reinstall the memory modules (for information on
removing and replacing memory modules, see
the Service Manual on the Dell Support website
at support.dell.com).
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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.