Replacing the power supply assembly, Replacing, Power – Lenovo THINKSTATION D10 User Manual
Page 31: Supply, Assembly, System-board, Connectors

Replacing
the
power
supply
assembly
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
power-supply
assembly:
1.
Open
the
computer
cover.
See
2.
Locate
the
power-supply
assembly.
See
3.
Disconnect
the
power-supply
cables
1 ,
2 and
3
from
the
system-board
connectors,
graphics
cards,
and
from
all
drives.
See
4.
Remove
the
power-supply
cables
from
the
cable
clips
and
ties.
5.
Disconnect
the
heat
sink
fan
cable.
6.
Remove
the
microprocessor
heat
sink
(see
nearest
the
power
supply
before
removing
the
power
supply
from
the
chassis.
7.
Remove
the
four
screws
at
the
rear
of
the
chassis
that
secure
the
power
supply.
See
Figure
14.
System-board
connectors
Chapter
3.
Installing
options
and
replacing
hardware
23