Specifications 29
Controls and Lights
Front of computer:
Power button
push button
Power light
blue light — blinking blue in sleep state; solid blue for
power-on state
amber light — The blinking amber indicates a
problem with the system board. A solid amber light
when the computer does not boot indicates that the
system board cannot start initialization. This could be
a system board or a power supply problem (see "Power
Problems" on page 44).
Drive activity light
blue light — A blinking blue light indicates the
computer is reading data from or writing data to the
SATA hard drive or CD/DVD.
Rear of computer:
Link integrity light (on
integrated network adapter)
green light — A good connection exists between the
network and the computer on a 10/100 Mbps
connection.
orange light — A good connection exists between the
network and the computer on a 1000 Mbps
connection.
off (no light) — The computer is not detecting a
physical connection to the network.
Network activity light (on
integrated network adapter)
yellow blinking light
book.book Page 29 Wednesday, March 5, 2008 9:45 PM
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