IBM Type 7977 用户手册
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
the
Problem
Determination
and
Service
Guide
on
the
IBM
System
x
Documentation
CD
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Symptom
Action
The
DVD
drive
tray
is
not
working.
1.
Make
sure
that
the
server
is
turned
on.
2.
Insert
the
end
of
a
straightened
paper
clip
into
the
manual
tray-release
opening.
3.
Reseat
the
DVD
drive.
4.
Replace
the
DVD
drive.
General
problems
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
the
Problem
Determination
and
Service
Guide
on
the
IBM
System
x
Documentation
CD
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Symptom
Action
A
cover
lock
is
broken,
an
LED
is
not
working,
or
a
similar
problem
has
occurred.
If
the
part
is
a
CRU,
replace
it.
If
the
part
is
a
FRU,
the
part
must
be
replaced
by
a
trained
service
technician.
Hard
disk
drive
problems
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
the
Problem
Determination
and
Service
Guide
on
the
IBM
System
x
Documentation
CD
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Symptom
Action
Not
all
drives
are
recognized
by
the
hard
disk
drive
diagnostic
tests.
Remove
the
drive
that
is
indicated
by
the
diagnostic
tests;
then,
run
the
hard
disk
drive
diagnostic
tests
again.
If
the
remaining
drives
are
recognized,
replace
the
drive
that
you
removed
with
a
new
one.
The
server
stops
responding
during
the
hard
disk
drive
diagnostic
test.
Remove
the
hard
disk
drive
that
was
being
tested
when
the
server
stopped
responding,
and
run
the
diagnostic
test
again.
If
the
hard
disk
drive
diagnostic
test
runs
successfully,
replace
the
drive
that
you
removed
with
a
new
one.
A
hard
disk
drive
was
not
detected
while
the
operating
system
was
being
started.
Reseat
all
hard
disk
drives
and
cables;
then,
run
the
hard
disk
drive
diagnostic
tests
again.
78
IBM
System
x3500
Type
7977:
Installation
Guide