Dell Inspiron 0H4MWDA00 Setup Manual page 36

Solving Problems
If the power light is solid white and there is no
display — The display may not be connected,
powered on, or the appropriate input signal
source has not been selected.
Ensure that the display is properly connected
and the appropriate input signal source has
been selected. Turn the display off, then
back on.
If the power light is solid amber —
• The computer is in sleep state. Press a
key on the keyboard, move the mouse, or
press the power button to resume normal
operation.
• There may be a problem with either the
system board or the power supply. For
assistance, contact Dell (see "Contacting
Dell" on page 59).
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If the power light is blinking amber — There
may be a problem with the system board. For
assistance, contact Dell (see "Contacting Dell"
on page 59).
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.