Table 1. Numeric error codes (continued)

Symptom or error

FRU or action, in sequence

 

 

 

0251

1.

Charge the backup battery for more

System CMOS checksum bad— Default

 

than 8 hours by connecting the ac

configuration used.

 

adapter.

 

2.

Replace the backup battery and run BIOS

 

 

Setup Utility to reset the time and date.

 

 

0252

Reset the password by running BIOS Setup

Password checksum bad—The password is

Utility.

cleared.

 

 

 

 

 

0260

1.

Charge the backup battery for more

System timer error.

 

than 8 hours by connecting the ac

 

 

adapter.

 

2.

Replace the backup battery and run BIOS

 

 

Setup Utility to reset the time and date.

 

3.

System board.

 

 

 

0270

1.

Charge the backup battery for more

Real-time clock error.

 

than 8 hours by connecting the ac

 

 

adapter.

 

2.

Replace the backup battery and run BIOS

 

 

Setup Utility to reset the time and date.

 

3.

System board.

 

 

0271

Run BIOS Setup Utility to reset the time

Date and time error—Neither the date nor

and date.

the time is set in the computer.

 

 

 

 

 

0280

1.

Load “Setup Default” in BIOS Setup

Previous boot incomplete— Default

 

Utility.

configuration used.

2.

DIMM.

 

3.

System board.

 

 

 

02F0

1.

CPU.

CPU ID:xx Failed.

2.

System board.

 

 

 

02F4

1.

Load Setup Defaults in BIOS Setup

EISA CMOS not writable.

 

Utility.

 

2.

Replace the backup battery.

 

3.

System board.

 

 

 

02F5

1.

DIMM.

DMA test failed.

2.

System board.

 

 

 

02F6

1.

DIMM.

Software NMI failed

2.

System board.

 

 

 

02F7

1.

DIMM.

Fail-safe timer NMI failed

2.

System board.

 

 

 

1802

1.

Remove Mini PCI network card.

Unauthorized network card is plugged

2.

System board.

in—Turn off and remove the miniPCI

 

 

network card.

 

 

 

 

 

1803

1.

Remove the daughter card that you

Unauthorized daughter card is plugged

 

installed.

in—Turn off and remove the daughter card.

2. System board.

 

 

 

1804

1.

Remove the WAN card that you

Unauthorized WAN card is plugged

 

installed.

in—Power off and remove the WAN card.

2.

System board.

 

 

 

Related service information

41

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Image 49
Lenovo 27763DU Reset the password by running Bios Setup, Utility, Charge the backup battery for more, Date, 02F0, 02F5

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