Replacing
the
power
supply
1.
Shut
down
your
operating
system
and
turn
off
the
computer.
2.
Remove
the
cover.
See
“Removing
the
cover”
on
page
28.
3.
Disconnect
all
power
supply
cables
from
the
system
board
and
the
drives.
See
“Identifying
parts
on
the
system
board”
on
page
28.
4.
Remove
the
screws
that
hold
the
power
supply
in
place.
5.
Lift
the
power
supply
out.
6.
Reverse
this
procedure
to
install
the
new
power
supply.
7.
Go
to
“Completing
the
FRU
replacement.”
on
page
45
when
the
power
supply
has
been
installed.
Replacing
the
system
board
1.
Shut
down
your
operating
system
and
turn
off
the
computer.
2.
Remove
the
cover.
See
“Removing
the
cover”
on
page
28.
30
Hardware
Maintenance
Manual
Types
2292,
2273,
6043,
6343,
6349,
6350,
6790,
6791,
6792,
6793,
6794,
6795,
6823,
6825