Lenovo 6019 ハードウェアマニュアル
Replacing
the
system
board
Important
The
heat
sink
and
microprocessor
might
be
very
hot.
Make
sure
these
components
are
cool
enough
to
safely
handle
before
continuing
this
procedure.
Note:
When
replacing
the
system
board
you
must
also
order
a
new
retention
module
for
the
new
system
board
or
remove
the
retention
module
from
the
failing
system
board
and
install
it
on
the
new
system
board.
This
procedure
describes
how
to
remove
and
replace
the
system
board.
1.
Open
the
computer
cover.
See
2.
Pivot
the
drive-bay
assembly
upward
to
gain
access
to
the
heat
sink.
3.
Remove
the
hard
disk
drive
and
disconnect
it
from
the
system
board.
See
4.
Remove
any
PCI
adapters
installed.
See
5.
Disconnect
all
cables
connected
to
the
system
board.
See
6.
Pull
up
on
the
blue
strap
at
the
front
of
the
system
board
to
release
it
from
the
chassis.
Chapter
8.
Replacing
FRUs
-
Desktop
computers
97