Dell Dimension 2010 - Manual (Page 34)

32
Solving Problems
• Ensure that the power supply diagnostics
light on the back of the system is on. If the
light is off there may be a possible problem
with the power supply unit or the power
cable.
For assistance, contact Dell (see “Contacting
Dell” on page 54).
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 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 an issue with either the system
board or power supply. For assistance,
contact Dell (see “Contacting Dell” on
page 54).
If the power light is blinking amber — The
computer has detected an error during POST.
For assistance, contact Dell (see “Contacting
Dell” on page 54).
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.