Sun Microsystems Blade 1500 Service, Diagnostics, And Troubleshooting Manual page 87

Press and release the
Power button.
N
Does the power supply
fan spin up?
Y
Does the hard
drive spin up?
Y
Does at least one of the
system fans spin up?
Y
Does the speaker
beep only once?
Y
Is anything displayed
on the monitor?
Y
Can you log in
as your user?
Y
Go to
Next Page
FIGURE 4-1
N
N
Problem with fan. See
"System Fan Problem" on
page 4-9.
N
N
N
Problem with monitor.
See "Monitor Problem"
on page 4-14.
OR
Problem with log in. See
"Login Problem" on
page 4-20.
OR
Problem with network.
See "Network Problem"
on page 4-17.
Power-On Flowchart
In normal operation, the system power-on sequence fol-
lows the path of Y for every question. Power on your sys-
tem and follow this flowchart. Should your system resolve
to a N answer to a question, go to the cross-reference. If
several cross-references are listed, the first is the most
likely solution. Try the other cross-references if the first
does not resolve the problem.
Problem with hard drive.
See "Hard Drive Problem"
on page 4-8.
Problem with monitor.
See "Monitor Problem"
on page 4-14.
OR
Problem with graphics
accelerator. See "PCI Card
Problem" on page 4-28.
Chapter 4 Troubleshooting Flowcharts
Problem with power. See
"Power Problem" on
page 4-6.
Problem with speaker.
See "Audio Output Prob-
lem" on page 4-12.
OR
Problem with memory or
motherboard. See "Audio
Responses" on page 3-12.
4-3