Lenovo ThinkPad G41 (English) Service and Troubleshooting guide for the ThinkP - Page 36

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Solving computer problems Message 01C9: More than one Ethernet devices are found. Remove one of them. Press to continue. 0200: Hard disk error 021x: Keyboard error Solution Your ThinkPad computer has a built-in Ethernet feature, and you cannot add another such feature by installing an Ethernet device. If this error message is displayed, remove the Ethernet device that you installed. Otherwise press Esc to ignore the warning message. If this does not solve the problem, have the computer serviced. The hard disk is not working. Make sure that the hard disk drive is attached firmly. Run the IBM BIOS Setup Utility; then make sure the hard disk drive is not disabled in the Startup menu. Make sure that there are no objects placed on the keyboard, or if you have one, the external keyboard. Turn off the computer, and turn off all attached devices. Turn on the computer first; then turn on the attached devices. If you still see the same error code, do the following: If an external keyboard is connected, do the following: v Turn off the computer and disconnect the external keyboard; then turn on the computer. Make sure that the built-in keyboard operates correctly. If it does, have the external keyboard serviced. v Make sure that the external keyboard is connected to the correct connector. Test the computer by using PC-Doctor. v If the computer stops during the test, have the computer serviced. 0230: Shadow RAM error The shadow RAM failed. Test your computer's memory with PC-Doctor. If you added a memory module just before turning the computer on, reinstall it. Then test the memory with PC-Doctor. 0231: System RAM error The system RAM failed. Test your computer's memory with PC-Doctor. If you added a memory module just before turning the computer on, reinstall it. Then test the memory with PC-Doctor. 0232: Extended RAM error The extended RAM failed. Test your computer's memory with PC-Doctor. If you have increased memory just before turning the computer on, reinstall it. Then test the memory with PC-Doctor. 0250: System battery error The backup battery, which is used to preserve the configuration information, such as the date and time, while the computer is turned off, is depleted. Recharge the battery for one hour by connecting the ac adapter to the computer and run IBM BIOS Setup Utility to verify the configuration. If you still have a probelm, replace the battery and run IBM BIOS Setup Utility to verify the configuration. If you still have a problem, have the computer serviced. 0251: System CMOS checksum bad The system CMOS might have been corrupted by an application program. The computer uses the default settings. Run IBM BIOS Setup Utility to reconfigure the settings. If you still see the same error code, have the computer serviced. 0260: System timer error Have the computer serviced. 14 ThinkPad® G40 Series Service and Troubleshooting Guide

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Message
Solution
01C9:
More
than
one
Ethernet
devices
are
found.
Remove
one
of
them.
Press
<Esc>
to
continue.
Your
ThinkPad
computer
has
a
built-in
Ethernet
feature,
and
you
cannot
add
another
such
feature
by
installing
an
Ethernet
device.
If
this
error
message
is
displayed,
remove
the
Ethernet
device
that
you
installed.
Otherwise
press
Esc
to
ignore
the
warning
message.
If
this
does
not
solve
the
problem,
have
the
computer
serviced.
0200:
Hard
disk
error
The
hard
disk
is
not
working.
Make
sure
that
the
hard
disk
drive
is
attached
firmly.
Run
the
IBM
BIOS
Setup
Utility;
then
make
sure
the
hard
disk
drive
is
not
disabled
in
the
Startup
menu.
021
x:
Keyboard
error
Make
sure
that
there
are
no
objects
placed
on
the
keyboard,
or
if
you
have
one,
the
external
keyboard.
Turn
off
the
computer,
and
turn
off
all
attached
devices.
Turn
on
the
computer
first;
then
turn
on
the
attached
devices.
If
you
still
see
the
same
error
code,
do
the
following:
If
an
external
keyboard
is
connected,
do
the
following:
v
Turn
off
the
computer
and
disconnect
the
external
keyboard;
then
turn
on
the
computer.
Make
sure
that
the
built-in
keyboard
operates
correctly.
If
it
does,
have
the
external
keyboard
serviced.
v
Make
sure
that
the
external
keyboard
is
connected
to
the
correct
connector.
Test
the
computer
by
using
PC-Doctor.
v
If
the
computer
stops
during
the
test,
have
the
computer
serviced.
0230:
Shadow
RAM
error
The
shadow
RAM
failed.
Test
your
computer’s
memory
with
PC-Doctor.
If
you
added
a
memory
module
just
before
turning
the
computer
on,
reinstall
it.
Then
test
the
memory
with
PC-Doctor.
0231:
System
RAM
error
The
system
RAM
failed.
Test
your
computer’s
memory
with
PC-Doctor.
If
you
added
a
memory
module
just
before
turning
the
computer
on,
reinstall
it.
Then
test
the
memory
with
PC-Doctor.
0232:
Extended
RAM
error
The
extended
RAM
failed.
Test
your
computer’s
memory
with
PC-Doctor.
If
you
have
increased
memory
just
before
turning
the
computer
on,
reinstall
it.
Then
test
the
memory
with
PC-Doctor.
0250:
System
battery
error
The
backup
battery,
which
is
used
to
preserve
the
configuration
information,
such
as
the
date
and
time,
while
the
computer
is
turned
off,
is
depleted.
Recharge
the
battery
for
one
hour
by
connecting
the
ac
adapter
to
the
computer
and
run
IBM
BIOS
Setup
Utility
to
verify
the
configuration.
If
you
still
have
a
probelm,
replace
the
battery
and
run
IBM
BIOS
Setup
Utility
to
verify
the
configuration.
If
you
still
have
a
problem,
have
the
computer
serviced.
0251:
System
CMOS
checksum
bad
The
system
CMOS
might
have
been
corrupted
by
an
application
program.
The
computer
uses
the
default
settings.
Run
IBM
BIOS
Setup
Utility
to
reconfigure
the
settings.
If
you
still
see
the
same
error
code,
have
the
computer
serviced.
0260:
System
timer
error
Have
the
computer
serviced.
Solving
computer
problems
14
ThinkPad
®
G40
Series
Service
and
Troubleshooting
Guide