Software
problems
Symptom
Suggested
action
You
suspect
a
software
problem.
To
determine
whether
the
problem
is
caused
by
the
software,
make
sure
that:
v
The
server
has
the
minimum
memory
needed
to
use
the
software.
For
memory
requirements,
see
the
information
that
comes
with
the
software.
If
you
have
just
installed
an
adapter
or
memory,
the
server
might
have
a
memory-address
conflict.
v
The
software
is
designed
to
operate
on
the
server.
v
Other
software
works
on
the
server.
v
The
software
that
you
are
using
works
on
another
server.
If
you
received
any
error
messages
when
using
the
software,
see
the
information
that
comes
with
the
software
for
a
description
of
the
messages
and
suggested
solutions
to
the
problem.
If
the
problem
remains,
contact
your
place
of
purchase
of
the
software.
Universal
Serial
Bus
device
problems
Symptom
Suggested
action
A
USB
device
does
not
work.
Make
sure
that:
v
You
are
not
trying
to
use
a
USB
device
during
POST
if
a
standard
(non-USB)
keyboard
is
connected
to
the
keyboard
connector.
If
a
standard
(non-USB)
keyboard
is
connected
to
the
keyboard
connector,
the
USB
is
disabled,
and
no
USB
device
will
work
during
POST.
v
The
correct
USB
device
driver
is
installed.
v
Your
operating
system
supports
USB
devices.
If
the
problem
remains,
call
for
service.
Light
Path
diagnostics
Use
the
Light
Path
diagnostics
panel
to
diagnose
system
errors.
To
access
the
Light
Path
diagnostics
panel,
press
the
release
latch
to
the
left,
and
then
slide
out
the
operator
information
panel.
The
Light
Path
diagnostics
panel
is
on
the
top
of
the
operator
information
panel.
See
the
following
illustration
for
the
release
latch
location.
Release latch
Any
Light
Path
diagnostics
LEDs
that
are
lit
can
be
lit
again
without
ac
power.
After
you
remove
the
server
cover,
press
the
blue
Light
Path
diagnostic
button
on
the
system
board,
which
enables
you
to
isolate
a
problem
that
causes
the
server
to
shut
down.
See
the
following
illustration
for
the
location
of
the
Light
Path
diagnostic
button
on
the
system
board.
64
IBM
xSeries
336
Type
8837:
Installation
Guide
Summary of Contents for 883725U
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