Lenovo 6072BVU User Manual - Page 95

Replacing, system, board

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Replacing the system board This section provides instructions on how to replace the system board. 1. Open the computer cover. See "Opening the cover" on page 84. 2. Take note of the location of all cable connections on the system board and disconnect all cables. See"System board locations" on page 83. 3. Remove the screws that secure the system board to the cover. 4. Lift the system board off of the cover. 5. Remove the memory modules from the failing system board and install them in the same location on the new system board. 6. If the system board has a modem daughter card installed, remove it from the failing system board and install it on the new system board. See "Replacing the modem" on page 95. 7. Remove the heat sink and microprocessor from the failing system board and install them on the new system board. See "Replacing the microprocessor" on page 86. Note: You might have to install a new retention module on the new system board. 8. Position the new system board in the chassis so that the screw holes are aligned with the mounting studs. 9. Install and tighten the screws that secure the system board to the chassis. 10. Reconnect all cables to the system board. See"System board locations" on page 83. 11. Go to "Completing the FRU replacement" on page 102 Chapter 8. Replacing FRUs 89

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Replacing
the
system
board
This
section
provides
instructions
on
how
to
replace
the
system
board.
1.
Open
the
computer
cover.
See
“Opening
the
cover”
on
page
84.
2.
Take
note
of
the
location
of
all
cable
connections
on
the
system
board
and
disconnect
all
cables.
See“System
board
locations”
on
page
83.
3.
Remove
the
screws
that
secure
the
system
board
to
the
cover.
4.
Lift
the
system
board
off
of
the
cover.
5.
Remove
the
memory
modules
from
the
failing
system
board
and
install
them
in
the
same
location
on
the
new
system
board.
6.
If
the
system
board
has
a
modem
daughter
card
installed,
remove
it
from
the
failing
system
board
and
install
it
on
the
new
system
board.
See
“Replacing
the
modem”
on
page
95.
7.
Remove
the
heat
sink
and
microprocessor
from
the
failing
system
board
and
install
them
on
the
new
system
board.
See
“Replacing
the
microprocessor”
on
page
86.
Note:
You
might
have
to
install
a
new
retention
module
on
the
new
system
board.
8.
Position
the
new
system
board
in
the
chassis
so
that
the
screw
holes
are
aligned
with
the
mounting
studs.
9.
Install
and
tighten
the
screws
that
secure
the
system
board
to
the
chassis.
10.
Reconnect
all
cables
to
the
system
board.
See“System
board
locations”
on
page
83.
11.
Go
to
“Completing
the
FRU
replacement”
on
page
102
Chapter
8.
Replacing
FRUs
89