Apple Power Macintosh 8100 Series User Manual
Page 95
Re
p
ai
rin
g
a
d
am
age
d
d
is
k
Di
sk
s c
a
n b
e
co
m
e
dama
g
e
d b
y
rep
eated u
se a
nd ha
ndli
n
g.
Wh
en
d
o
yo
u
ne
ed t
o
r
ep
ai
r a d
is
k
?
If y
ou see a m
es
sa
g
e repor
ti
n
g
t
h
at a
d
is
k i
s dama
g
e
d or un
readab
le
, y
ou ma
y
n
eed t
o
repai
r t
h
e di
sk
.
Tr
y t
h
ese s
u
g
g
es
tio
n
s f
ir
st
If y
ou c
a
n’
t star
t up fr
om a har
d
di
sk
or y
ou don
’t
see t
h
e har
d
di
sk
i
con on t
h
e
de
sk
to
p,
try t
h
e f
o
ll
o
w
in
g:
m
If t
h
e har
d
di
sk
i
s i
n
ter
n
al
, shut do
w
n
y
our M
a
ci
nt
osh, w
a
it at lea
st 1
0
sec
onds
, a
nd t
h
en tur
n
it on a
g
ai
n
.
m
If t
h
e har
d
di
sk
i
s e
x
ter
n
al
, mak
e
s
ure t
h
at it i
s tur
n
ed on a
nd t
h
at its c
a
b
le
is
c
onn
ec
ted f
ir
m
ly
; t
h
en re
star
t t
h
e M
a
ci
nt
osh
.
m
If t
h
e har
d
di
sk
i
s y
our star
tup di
sk
, star
t up wit
h
a dif
ferent star
tup di
sk
. If
th
e har
d
di
sk
’s
i
con app
ears on y
our de
sk
to
p,
re
in
stall s
y
stem s
o
ft
w
a
re on
th
e
h
a
rd
di
sk
(see “I
nstalli
n
g
or R
ei
n
stalli
n
g
S
y
stem S
o
ft
w
a
re
” l
a
ter i
n
t
h
is
ch
a
p
te
r)
.
m
Ch
ec
k t
h
e ID numb
e
rs o
f all S
C
S
I equ
ipm
ent c
onn
ec
ted t
o
y
our c
o
mputer
.
Ea
ch
de
v
ice mu
st ha
v
e
a uni
que ID numb
e
r (t
h
e
c
o
mputer itse
lf ha
s t
h
e ID
numb
e
r 7
, a
nd t
h
e i
n
ter
n
al har
d
di
sk
ha
s t
h
e numb
e
r 0)
. A
ls
o
c
h
ec
k t
h
at t
h
e
ch
a
in
of
de
v
ice
s i
s ter
m
in
ated pr
op
er
ly
. F
or i
n
fo
rm
at
ion on sett
in
g
S
C
S
I ID
numb
e
rs
a
nd ter
m
in
at
in
g a S
C
S
I c
h
ai
n, see t
h
e ma
nu
al
s t
h
at c
a
m
e
wit
h
y
our S
C
S
I
equ
ipm
ent.
m
Te
st
t
h
e
di
sk
f
o
ll
o
w
in
g t
h
e i
n
str
u
ct
ions t
h
at c
o
m
e
n
ex
t.
85
Troubleshooting