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Lenovo 7571 Manuel D’Utilisation

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Replacing
 
the
 
power
 
supply
 
 
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
 
power
 
supply.
 
 
 
Attention
 
Never
 
remove
 
the
 
cover
 
on
 
a
 
power
 
supply
 
or
 
any
 
part
 
that
 
has
 
the
 
following
 
label
 
attached.
 
  
 
Hazardous
 
voltage,
 
current,
 
and
 
energy
 
levels
 
are
 
present
 
inside
 
any
 
component
 
that
 
has
 
this
 
label
 
attached.
 
There
 
are
 
no
 
serviceable
 
parts
 
inside
 
these
 
components.
 
 
To
 
replace
 
the
 
power
 
supply:
 
 
1.
   
Remove
 
the
 
four
 
screws
 
at
 
the
 
rear
 
of
 
the
 
chassis
 
that
 
secure
 
the
 
power
 
supply.
 
   
  
Figure
 
49.
 
Power-supply-retaining
 
screws
 
Chapter
 
9.
 
Replacing
 
FRUs
 
-
 
Desktop
 
computers
 
137