Lenovo 7721 Manuel D’Utilisation

Page de 394
2.
   
Remove
 
the
 
front
 
bezel
 
by
 
releasing
 
the
 
three
 
tabs,
 
pivoting
 
the
 
front
 
bezel
 
outward
 
from
 
the
 
top,
 
and
 
pulling
 
the
 
front
 
bezel
 
off
 
the
 
chassis.
 
 
3.
   
Pivot
 
the
 
drive
 
bay
 
assembly
 
upward
 
to
 
gain
 
access
 
to
 
the
 
internal
 
speaker.
 
See
 
 
4.
   
Locate
 
the
 
internal
 
speaker.
 
See
 
 
5.
   
Disconnect
 
the
 
internal
 
speaker
 
cable
 
and
 
the
 
thermal
 
sensor
 
cable
 
from
 
the
 
internal
 
speaker
 
connector
 
and
 
the
 
thermal
 
sensor
 
connector
 
on
 
the
 
system
 
board.
 
See
 
  
Figure
 
64.
 
Removing
 
the
 
front
 
bezel
 
152
 
Hardware
 
Maintenance
 
Manual