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  5. Manuel D’Utilisation

Lenovo 7749 Manuel D’Utilisation

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5.
   
Disconnect
 
the
 
signal
 
cable
 
and
 
the
 
power
 
cable
 
from
 
the
 
hard
 
disk
 
drive.
 
 
6.
   
Remove
 
the
 
old
 
hard
 
disk
 
drive
 
from
 
the
 
bracket
 
by
 
flexing
 
the
 
sides
 
of
 
the
 
bracket
 
enough
 
to
 
slide
 
it
 
free
 
from
 
the
 
hard
 
disk
 
drive.
 
 
7.
   
To
 
install
 
a
 
new
 
hard
 
disk
 
drive
 
into
 
the
 
bracket,
 
flex
 
the
 
bracket
 
and
 
align
 
pin
 
1,
 
pin
 
2,
 
pin
 
3,
 
and
 
pin
 
4
 
on
 
the
 
bracket
 
with
 
the
 
holes
 
in
 
the
 
hard
 
disk
 
drive.
 
Important:
  
Do
 
not
 
touch
 
the
 
circuit
 
board
 
on
 
the
 
bottom
 
of
 
the
 
hard
 
disk
 
drive.
 
 
8.
   
Connect
 
the
 
signal
 
cable
 
and
 
the
 
power
 
cable
 
to
 
the
 
new
 
hard
 
disk
 
drive.
 
 
9.
   
Install
 
the
 
new
 
hard
 
disk
 
drive
 
and
 
bracket
 
into
 
the
 
rear
 
retainer
 
and
 
rotate
 
down
 
until
 
the
 
two
 
clips
 
on
 
the
 
blue
 
handle
 
of
 
the
 
hard
 
disk
 
drive
 
bracket
 
snap
 
into
 
position.
 
10.
   
Go
 
to
 
Replacing
 
the
 
optical
 
drive
 
 
Attention
 
Do
 
not
 
open
 
your
 
computer
 
or
 
attempt
 
any
 
repair
 
before
 
reading
 
and
 
understanding
 
the
 
“Important
 
safety
 
information”
 
in
 
the
 
ThinkCentre
 
Safety
 
and
 
Warranty
 
Guide
 
that
 
came
 
with
 
your
 
computer.
 
To
 
obtain
 
a
 
copy
 
of
 
the
 
ThinkCentre
 
Safety
 
and
 
Warranty
 
Guide,
 
go
 
to:
http://www.lenovo.com/support
  
This
 
section
 
provides
 
instructions
 
on
 
how
 
to
 
replace
 
the
 
optical
 
drive.
 
To
 
replace
 
the
 
optical
 
drive:
 
1.
   
Open
 
the
 
computer
 
cover.
 
See
 
2.
   
Pivot
 
the
 
drive
 
bay
 
assembly
 
upward
 
to
 
gain
 
access
 
to
 
the
 
optical
 
drive.
 
See
 
  
Figure
 
52.
 
Removing
 
the
 
hard
 
disk
 
drive
 
from
 
the
 
bracket
 
Chapter
 
9.
 
Replacing
 
FRUs
 
-
 
607
 
computers
 
137