Dell Vostro 460 (Late 2010) - Manual (Page 91)

motherboard
.
Reseat the 4
Pin ATX
Power
Connector
for the
Processor.
NOTE:
Blinking
Frequen
cy: 0.5
Seconds
ON, 0.5
Seconds
OFF.
When
the CPU
is not
seated
properly
or not
detecte
d, the
system
will
automat
ically
power
off.
Steady
Amber
Syste
m is in
standb
y or
this is
a
syste
m
fault
error
conditi
on,
includi
ng the
power
supply
. Only
the +5
VSB
rail on
the
power
supply
is
workin
g
correct
ly.
Press the
power
button to
bring the
system out
of standby
mode.
Ensure all
power cables
are securely
connected to
the system
board.
Ensure the
main power
cable and
front panel
cable are
securely
connected to
the system
board.
NOTE: If the
system was
abnormally
turned off, you
need to
disconnect and
plug in the AC
power cord.