Lenovo ThinkPad R40 English - Service and Troubleshooting Guide for R40, R40e - Page 27

Message, Solution, Exit Saving Changes, Restart, using the IBM BIOS Setup Utility.

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Solving computer problems Message Solution 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. 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 Have the computer serviced. failed 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. The power-on password prompt A power-on password or a supervisor password is set. Type the password and press Enter to use the computer. If the power-on password is not accepted, a supervisor password might have been set. Type the supervisor password and press Enter. If you still see the same error message, have the computer serviced. The hard disk password A hard disk password is set. Type the password and press Enter to use the prompt computer. If you still see the same error message, have the computer serviced. Chapter 2. Solving computer problems 15

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Message
Solution
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.
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.
The power-on password
prompt
A power-on password or a supervisor password is set. Type the password
and press Enter to use the computer. If the power-on password is not
accepted, a supervisor password might have been set. Type the supervisor
password and press Enter. If you still see the same error message, have the
computer serviced.
The hard disk password
prompt
A hard disk password is set. Type the password and press Enter to use the
computer.
If you still see the same error message, have the computer serviced.
Solving computer problems
Chapter 2. Solving computer problems
15