Solving computer problems

 

 

Message

Solution

 

 

0280: Previous boot

Your computer was previously unable to complete the boot process.

incomplete

Turn the computer off; then turn it on to start the 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

Have the computer serviced.

writable

 

 

 

02F5: DMA test failed

Have the computer serviced.

 

 

02F6: Software NMI

Have the computer serviced.

failed

 

 

 

02F7: Fail-safe timer

Have the computer serviced.

NMI failed

 

 

 

1802: Unauthorized

The Mini-PCI network card is not supported on this computer. Remove it.

network card is plugged

 

in - Power off and

 

remove the miniPCI

 

network card.

 

 

 

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.

 

 

 

Chapter 2. Solving computer problems 15

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Lenovo R50 Series manual Solving computer problems