Lenovo 776254U Service Guide - Page 25

Message, Solution, Exit Saving Changes, Restart

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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 BIOS Setup Utility to reconfigure the settings. If you still see the same error code, have the computer serviced. 0271: Date and time Neither the date nor the time is set in the computer. Set the error date and time, using the BIOS Setup Utility. 0280: Previous boot Your computer was previously unable to complete the boot incomplete process. 1802: Unauthorized network card is plugged in - Power off and remove the miniPCI network card. 1803: Unauthorized daughter card is plugged in - Power off and remove the daughter card. 1804: Unauthorized WAN card is plugged in - Power off and remove the WAN card. 2100: Initialization error on HDD0 (Main hard disk drive) 2102: Initialization error on HDD1 (Ultrabay hard disk drive) 2110: Read error on HDD0 (Main hard disk drive) 2112: Read error on HDD1 (Ultrabay hard disk drive) 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. The Mini-PCI network card is not supported on this computer. Remove it. The daughter card is not supported on this computer. Remove it. The WAN card is not supported on this computer. Remove it. The hard disk is not working. Have the hard disk serviced. The hard disk is not working. Have the hard disk serviced. The hard disk is not working. Have the hard disk serviced. The hard disk is not working. Have the hard disk serviced. Chapter 3. 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 BIOS Setup Utility to reconfigure the settings. If you still
see the same error code, 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 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 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.
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
WAN card is
plugged in - Power
off and remove the
WAN card.
The WAN card is not supported on this computer. Remove it.
2100: Initialization
error on HDD0
(Main hard disk
drive)
The hard disk is not working. Have the hard disk serviced.
2102: Initialization
error on HDD1
(Ultrabay hard disk
drive)
The hard disk is not working. Have the hard disk serviced.
2110: Read error on
HDD0 (Main hard
disk drive)
The hard disk is not working. Have the hard disk serviced.
2112: Read error on
HDD1 (Ultrabay
hard disk drive)
The hard disk is not working. Have the hard disk serviced.
Solving computer problems
Chapter 3. Solving computer problems
15