1.
Turn
off
the
computer
and
disconnect
the
power
cord
from
the
electrical
outlet
and
from
the
computer.
2.
Open
the
cover.
See
“Opening
the
cover”
on
page
25.
3.
Rotate
the
drive
bay
assembly
upward
to
gain
access
to
the
power
button
and
LED
assembly.
4.
Disconnect
the
power
button
and
LED
assembly
cable
from
the
system
board.
See
“Identifying
parts
on
the
system
board”
on
page
28.
Note:
Make
sure
you
note
the
location
of
the
power
button
and
LED
assembly
cable
when
you
disconnect
it
from
the
system
board.
5.
Lift
the
tab
and
slide
the
power
button
and
LED
assembly
2
out.
See
Figure
3
on
page
43.
6.
Install
the
new
power
button
and
LED
assembly
and
reconnect
the
power
button
and
LED
assembly
cable.
7.
Lower
the
drive
bay
assembly.
8.
Replace
the
cover,
and
connect
the
cables.
See
“Closing
the
cover
and
connecting
the
cables”
on
page
46.
Replacing
the
fan
assembly
To
replace
the
fan
assembly:
1.
Turn
off
the
computer
and
disconnect
the
power
cord
from
the
electrical
outlet
and
from
the
computer.
2.
Open
the
cover.
See
“Opening
the
cover”
on
page
25.
3.
Rotate
the
drive
bay
assembly
upward
to
gain
access
to
the
fan
assembly
3
.
See
Figure
3
on
page
43.
4.
Disconnect
fan
assembly
cable
from
the
system
board.
See
“Identifying
parts
on
the
system
board”
on
page
28.
Note:
Make
sure
you
note
the
location
of
the
fan
cable
when
you
disconnect
it
from
the
system
board.
5.
Remove
the
front
bezel
by
releasing
the
tab
as
shown.
44
Hardware
Maintenance
Manual
Содержание ThinkCentre 8127
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Страница 54: ...Check Verify FRU Action Check the power on switch for continuity Power on Switch 48 Hardware Maintenance Manual...
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Страница 182: ...1 2 ACHTUNG Keine Gegenst nde die mehr als 82 kg wiegen auf Rack Einheiten ablegen 176 Hardware Maintenance Manual...
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Страница 196: ...Part Number 74P2660 Printed in USA 1P P N 74P2660...