4.
Remove
the
screw
that
secures
the
front
audio
and
USB
assembly
to
the
chassis.
5.
Remove
the
failing
front
audio
and
USB
assembly
from
the
chassis.
6.
Install
the
new
front
audio
and
USB
assembly
into
the
chassis
and
secure
it
with
the
screw.
7.
Connect
the
front
audio
and
USB
assembly
cables
to
the
system
board.
8.
To
reinstall
the
front
bezel,
align
the
plastic
tabs
on
the
bottom
of
the
bezel
with
the
corresponding
holes
in
the
chassis,
and
then
pivot
the
bezel
inward
until
it
snaps
into
position.
9.
Go
to
“Completing
the
parts
replacement”
on
page
30.
Replacing
the
AC
power
adapter
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
and
understanding
the
“Important
safety
information”
in
the
ThinkCentre
Safety
and
Warranty
Guide
that
came
with
your
computer.
To
obtain
a
copy
of
the
ThinkCentre
Safety
and
Warranty
Guide
,
go
to:
http://www.lenovo.com/support
This
section
provides
instructions
on
how
to
replace
the
AC
power
adapter.
To
replace
the
AC
power
adapter:
1.
Remove
any
media
from
the
drives,
shut
down
your
operating
system,
and
turn
off
all
attached
devices
and
the
computer.
2.
Disconnect
the
AC
power
adapter
cord
from
the
electrical
outlet.
3.
Locate
the
power
adapter
connector.
See
“Locating
connectors
on
the
rear
of
your
computer”
on
page
7.
4.
Disconnect
the
AC
power
adapter
cable
from
the
power
adapter
connector.
Figure
23.
Removing
the
front
audio
and
USB
assembly
Chapter
2.
Installing
options
and
replacing
hardware
27
Содержание 6136A1U
Страница 1: ......
Страница 2: ......
Страница 3: ...ThinkCentre User Guide ...
Страница 6: ...iv User Guide ...
Страница 8: ...vi User Guide ...
Страница 50: ...42 User Guide ...
Страница 57: ...15 Turn on the computer to restart the operating system Chapter 5 Updating system programs 49 ...
Страница 58: ...50 User Guide ...
Страница 74: ...66 User Guide ...
Страница 75: ......
Страница 76: ...Part Number 53Y9936 Printed in USA 1P P N 53Y9936 ...