Chapter 2. replacing hardware, Removing the computer cover, Chapter – Lenovo ThinkCentre A60 User Manual
Page 15: Replacing, Hardware, Removing, Computer, Cover

Chapter
2.
Replacing
hardware
Attention:
Do
not
remove
the
computer
cover
or
attempt
any
repair
before
reading
the
“Important
safety
information”
in
the
Safety
and
Warranty
Guide
that
was
included
with
your
computer.
To
obtain
copies
of
the
Safety
and
Warranty
Guide,
go
to
the
Support
Web
site
at
http://www.lenovo.com/support.
Note:
Use
only
parts
provided
by
Lenovo.
Removing
the
computer
cover
Important
Turn
off
the
computer
and
wait
3
to
5
minutes
to
let
the
computer
cool
before
removing
the
computer
cover.
To
remove
the
computer
cover:
1.
Remove
any
media
(diskettes,
CDs,
or
tapes)
from
the
drives,
shut
down
your
operating
system,
turn
off
all
attached
devices,
and
the
computer.
2.
Unplug
all
power
cords
from
electrical
outlets.
3.
Disconnect
all
cables
attached
to
the
computer.
This
includes
power
cords,
input/output
(I/O)
cables,
and
any
other
cables
that
are
connected
to
the
computer.
See
and
4.
Remove
any
locking
devices
that
secure
the
computer
cover.
5.
If
there
are
thumbscrews
securing
the
cover,
remove
them.
©
Lenovo
2006,
2007.
Portions
©
IBM
Corp.
2005.
7