6
Troubleshooting
This
c
hapter
con
tains
information
that
will
help
y
ou
determine
what's
wrong
with
y
our
system
when
y
ou
ha
v
e
problems.
Y
our
w
orkstation
comes
with
man
y
to
ols
to
help
y
ou
understand
op erating
faults:
F
ron
t
panel
LEDs
P
o
w
er-on
selftests
Bo ot
Administration
commands
System
Acceptance
T
est
Y
ou
will
learn
ho
w
and
when
to
use
these
resources
in
this
c
hapter.
Troubleshooting
Strategies
This
is
an
outline
of
what
y
ou
should
do
in
the
ev
en
t
of
trouble.
1.
If
y
ou
turn
on
the
p o
w
er,
and
y
our
w
orkstation
is
completely
unresp onsive
(the
gr
e
en-c
olor
e
d
LED
on
the
fron
t
panel
is
not
ON
and
nothing
app ears
on
the
monitor
for
more
than
20
seconds),
see
\System
Unresp onsive".
2.
If
the
w
orkstation
resp onds,
but
the
op erating
system
do es
not
b egin
loading,
see
\Op erating
System
Will
Not
Load".
3.
If
the
op erating
system
loads,
but
the
system
hangs
(if
it
is
no
longer
resp onsive
to
input
from
the
k
eyb oard
or
mouse,
and
the
cursor
stops
ashing
or
disapp ears)
or
the
system
w
orks
in
termitten
tly
,
see
\System
Loses
Net
w
ork
Communications".
4.
If
y
our
w
orkstation
has
a
har
d
cr
ash
(stops
w
orking
altogether
and
displays
an
HPMC
error),
call
y
our
designated
service
represen
tativ e.
An
HPMC
Troubleshooting
6-1
Summary of Contents for Model 720 - Workstation
Page 2: ......
Page 3: ...1 January 1991 Edition 1 January 1991 Edition 1 1 1 ...
Page 8: ......
Page 13: ...Figure 2 3 System Unit Switch Locations Your HP Apollo 9000 Model 720 730 Workstation 2 5 ...
Page 15: ...Figure 2 4 LED Windows Your HP Apollo 9000 Model 720 730 Workstation 2 7 ...
Page 60: ......
Page 117: ...Figure 5 1 Core I O Card Removal Expanding Your Workstation and Replacing Its Parts 5 7 ...
Page 119: ...Figure 5 2 Processor Card Removal Expanding Your Workstation and Replacing Its Parts 5 9 ...
Page 121: ...Figure 5 3 SIMM Card Removal Expanding Your Workstation and Replacing Its Parts 5 11 ...
Page 123: ...Figure 5 4 Internal Disk Removal Expanding Your Workstation and Replacing Its Parts 5 13 ...
Page 129: ...Figure 5 7 VSC Interface Card Removal Expanding Your Workstation and Replacing Its Parts 5 19 ...
Page 131: ...Figure 5 9 Power Supply Removal Expanding Your Workstation and Replacing Its Parts 5 21 ...
Page 132: ......
Page 157: ...Troubleshooting 6 25 ...