5.
Remove
the
four
screws
at
the
rear
of
the
chassis
that
secure
the
power
supply.
6.
Press
inward
on
the
metal
retainer
inside
the
chassis
and
remove
the
power
supply
from
the
computer.
7.
Install
the
new
power
supply
into
the
chassis
so
that
the
screw
holes
in
the
power
supply
align
with
those
in
the
chassis.
Note:
Use
only
the
screws
provided.
8.
Install
and
tighten
the
four
screws
at
the
rear
of
the
chassis
that
secure
the
power
supply.
9.
Reconnect
the
power
supply
connectors
to
the
system
board.
For
additional
information,
see
“Identifying
parts
on
the
system
board”
on
page
4.
10.
Reconnect
the
power
supply
connectors
to
each
of
the
drives.
8
Hardware
Replacement
Guide