Lenovo ThinkCentre A30 Hardware Maintenance Manual (HMM) for ThinkCentre 2296, - Page 63

Replacing, power, supply, Types

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6. Install the new battery. 7. Replace any adapters that were removed to gain access to the battery. See "Replacing adapters" on page 41 for instructions for replacing adapters. 8. Replace the cover, and plug in the power cord. See "Replacing the cover and connecting the cables" on page 64. Note: When the computer is turned on for the first time after battery replacement, an error message might be displayed. This is normal after replacing the battery. 9. Turn on the computer and all attached devices. 10. Use the IBM Setup Utility program to set the date and time and any passwords. See Chapter 5, "IBM Setup Utility program," on page 21. Replacing the power supply Types 2296 and 8434 Before performing any removals or replacements, turn off the computer and peripheral devices and disconnect all external cables and power cords. To remove the power supply, do the following: 1. Turn off the computer and peripheral devices and disconnect all external cables and power cords; then, remove the cover. See "Removing the cover" on page 32. 2. Disconnect all power supply cables from the system board and the drives. See "Identifying parts on the system board (all machine types)" on page 40. 3. Remove the four screws that hold the power supply in place. Chapter 6. Replacing FRUs 57

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6.
Install
the
new
battery.
7.
Replace
any
adapters
that
were
removed
to
gain
access
to
the
battery.
See
“Replacing
adapters”
on
page
41
for
instructions
for
replacing
adapters.
8.
Replace
the
cover,
and
plug
in
the
power
cord.
See
“Replacing
the
cover
and
connecting
the
cables”
on
page
64.
Note:
When
the
computer
is
turned
on
for
the
first
time
after
battery
replacement,
an
error
message
might
be
displayed.
This
is
normal
after
replacing
the
battery.
9.
Turn
on
the
computer
and
all
attached
devices.
10.
Use
the
IBM
Setup
Utility
program
to
set
the
date
and
time
and
any
passwords.
See
Chapter
5,
“IBM
Setup
Utility
program,”
on
page
21.
Replacing
the
power
supply
Types
2296
and
8434
Before
performing
any
removals
or
replacements,
turn
off
the
computer
and
peripheral
devices
and
disconnect
all
external
cables
and
power
cords.
To
remove
the
power
supply,
do
the
following:
1.
Turn
off
the
computer
and
peripheral
devices
and
disconnect
all
external
cables
and
power
cords;
then,
remove
the
cover.
See
“Removing
the
cover”
on
page
32.
2.
Disconnect
all
power
supply
cables
from
the
system
board
and
the
drives.
See
“Identifying
parts
on
the
system
board
(all
machine
types)”
on
page
40.
3.
Remove
the
four
screws
that
hold
the
power
supply
in
place.
Chapter
6.
Replacing
FRUs
57