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Turn the computer off; then turn it on to start the ThinkPad Setup. Verify the conguration 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.
• Message: 02D0: System cache error.
Solution: The cache is disabled. Have the computer serviced.
• Message: 02F4: EISA CMOS not writable.
Solution: Have the computer serviced.
• Message: 02F5: DMA test failed.
Solution: Have the computer serviced.
• Message: 02F6: Software NMI failed.
Solution: Have the computer serviced.
• Message: 02F7: Fail-safe timer NMI failed
Solution: Have the computer serviced.
• Message: 1802: Unauthorized network card is plugged in - Power off and remove the network card.
Solution: The mini PCI Express network card is not supported on this computer. Remove it.
• Message: 1803: Unauthorized daughter card is plugged in - Power off and remove the daughter card.
Solution: The daughter card is not supported on this computer. Remove it.
• Message: 1805: Unauthorized Wireless USB card is plugged in - Power off and remove the Wireless
USB card.
Solution: The Wireless USB card is not supported on this computer. Remove it.
• Message: 2100: Initialization error on HDD0 (Main HDD).
Solution: The hard disk is not working. Have the hard disk serviced.
• Message: 2110: Read error on HDD0 (Main HDD).
Solution: The hard disk is not working. Have the hard disk serviced.
• Message: The power-on password prompt
Solution: A power-on password or a supervisor password is set. Type the password and press Enter to
use the computer (refer to “Using passwords” on page 59
). 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.
• Message: The hard disk password prompt
Solution: A hard disk password is set. Type the password and press Enter to use the computer (refer to
“Hard disk passwords” on page 61
).
• Message: Hibernation error
Solution: The system conguration changed between the time your computer entered hibernation mode
and the time it left this mode, and your computer cannot resume normal operation.
– Restore the system conguration to what it was before your computer entered hibernation mode.
Chapter 10. Troubleshooting computer problems 135