Replacing the system board, Replacing, System – Lenovo ThinkCentre M55e User Manual
Page 16: Board
Replacing
the
system
board
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
the
“Important
safety
information”
in
the
Safety
and
Warranty
Guide
that
was
included
with
your
computer.
To
obtain
a
copy
of
the
Safety
and
Warranty
Guide,
go
to
the
Support
Web
site
at
http://www.lenovo.com/support.
To
replace
the
system
board,
do
the
following:
1.
Turn
off
the
computer
and
allow
the
computer
to
cool
for
one
hour.
2.
Open
the
computer
cover.
See
3.
Pivot
the
drive
bay
assembly
upward
to
gain
access
to
the
system
board.
8
Hardware
Replacement
Guide
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