Lenovo ThinkPad X23 English - ThinkPad X23 Service and Troubleshooting guide - Page 23

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

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Solving computer problems Message Solution 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 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. Hibernation error Operating system not found. If you still see the same error message, have the computer serviced. The system configuration changed between the time your computer entered hibernation mode and the time it left this mode, and your computer cannot resume normal operation. v Restore the system configuration to what it was before your computer entered hibernation mode. v If the memory size has been changed, re-create the hibernation file. Verify the following: v The hard disk drive is correctly installed. v A startable diskette is in the diskette drive Fan error If the same error message is still displayed, check the boot sequence, using the IBM BIOS Setup Utility. The cooling fan has failed. Have the computer serviced. Chapter 2. Solving computer problems 13

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Message
Solution
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.
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.
Hibernation error
The system configuration changed between the time your computer entered
hibernation mode and the time it left this mode, and your computer cannot
resume normal operation.
v
Restore the system configuration to what it was before your computer
entered hibernation mode.
v
If the memory size has been changed, re-create the hibernation file.
Operating system not
found.
Verify the following:
v
The hard disk drive is correctly installed.
v
A startable diskette is in the diskette drive
If the same error message is still displayed, check the boot sequence, using
the IBM BIOS Setup Utility.
Fan error
The cooling fan has failed. Have the computer serviced.
Solving computer problems
Chapter 2. Solving computer problems
13