Dell Inspiron 570 (Late 2009) - Manual (Page 30)

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Solving Problems
If the power light is solid amber —
The computer is in sleep or standby state. •
Press a key on the keyboard, move the
connected 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 55).
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 55).
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.