Lenovo ThinkPad G41 (English) Service and Troubleshooting guide for the ThinkP - Page 37

Message, Solution, Saving, Changes, Restart - bios battery replacement

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Solving computer problems Message Solution 0270: Real time clock error Have the computer serviced. 0271: Date and time error Neither the date nor the time is set in the computer. Set the date and time, using the IBM BIOS Setup Utility. 0280: Previous boot incomplete Your computer was previously unable to complete the boot process. Turn the computer off; then turn it on to start the IBM BIOS Setup Utility. Verify the configuration and then restart the computer either by choosing the Exit Saving Changes option under the Restart item or by pressing F10. If you still see the same error code, have the computer serviced. 02D0: System cache error The cache is disabled. Have the computer serviced. 02F4: EISA CMOS not writable Have the computer serviced. 02F5: DMA test failed Have the computer serviced. 02F6: Software NMI failed Have the computer serviced. 02F7: Fail-safe timer NMI failed Have the computer serviced. 1802: Unauthorized network card is plugged in - Power off and remove the miniPCI network card. The Mini-PCI network card is not supported on this computer. Remove it. 1803: Unauthorized The daughter card is not supported on this computer. Remove it. daughter card is plugged in - Power off and remove the daughter card. 1804: Unauthorized battery is detectedReplace it with a battery of the correct model. You cannot use the attached battery with this computer. Replace it with a battery of the correct model. Chapter 2. Solving computer problems 15

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Message
Solution
0270:
Real
time
clock
error
Have
the
computer
serviced.
0271:
Date
and
time
error
Neither
the
date
nor
the
time
is
set
in
the
computer.
Set
the
date
and
time,
using
the
IBM
BIOS
Setup
Utility.
0280:
Previous
boot
incomplete
Your
computer
was
previously
unable
to
complete
the
boot
process.
Turn
the
computer
off;
then
turn
it
on
to
start
the
IBM
BIOS
Setup
Utility.
Verify
the
configuration
and
then
restart
the
computer
either
by
choosing
the
Exit
Saving
Changes
option
under
the
Restart
item
or
by
pressing
F10.
If
you
still
see
the
same
error
code,
have
the
computer
serviced.
02D0:
System
cache
error
The
cache
is
disabled.
Have
the
computer
serviced.
02F4:
EISA
CMOS
not
writable
Have
the
computer
serviced.
02F5:
DMA
test
failed
Have
the
computer
serviced.
02F6:
Software
NMI
failed
Have
the
computer
serviced.
02F7:
Fail-safe
timer
NMI
failed
Have
the
computer
serviced.
1802:
Unauthorized
network
card
is
plugged
in
-
Power
off
and
remove
the
miniPCI
network
card.
The
Mini-PCI
network
card
is
not
supported
on
this
computer.
Remove
it.
1803:
Unauthorized
daughter
card
is
plugged
in
-
Power
off
and
remove
the
daughter
card.
The
daughter
card
is
not
supported
on
this
computer.
Remove
it.
1804:
Unauthorized
battery
is
detected-
Replace
it
with
a
battery
of
the
correct
model.
You
cannot
use
the
attached
battery
with
this
computer.
Replace
it
with
a
battery
of
the
correct
model.
Solving
computer
problems
Chapter
2.
Solving
computer
problems
15