Lenovo ThinkPad i Series 1124 ThinkPad 240 User's Reference that shipped with - Page 102

Problem, Action, Enter, 02F4 EISA CMOS

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Troubleshooting charts Problem 0251 (system CMOS checksum bad) 0252 (password checksum bad) 0260 (system line error) 0270 (real time clock error) 0271 (date and time error) 0280 (Previous boot incomplete - Default configuration used) 02D0 (system cache error) 02F4 (EISA CMOS not writable) 02F5 (DMA test failed) 02F6 (software NMI failed) 02F7 (fail-safe timer NMI failed) The power-on password prompt The hard disk drive password prompt Action The system CMOS might have been corrupted by an application program. The computer uses the default settings. Run the BIOS setup utility to reconfigure the settings. If you still have a problem, have the computer serviced. The password you have set is cleared. Run the BIOS setup utility to set the password. Have the computer serviced. Have the computer serviced. Neither the date nor the time is set in the computer. Set the date and time using the BIOS setup utility. Your computer was previously unable to complete the boot process. Power the computer off; then power it on to start the BIOS setup utility. Verify the configuration. If the same error message appears, have the computer serviced. The cache is disabled. Have the computer serviced. Have the computer serviced. Have the computer serviced. Have the computer serviced. Have the computer serviced. A power-on password or supervisor password is set. Type the correct password and press Enter to use the computer (see "Entering a password" on page 73). If you still have a problem, have the computer serviced. A hard disk drive password is set. Type the correct password and press Enter to use the computer (see "Entering a password" on page 73). If you still have a problem, have the computer serviced. 90 ThinkPad 240 User's Reference

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Troubleshooting charts
Problem
Action
0251 (system CMOS
checksum bad)
The system CMOS might have been corrupted by an application program. The
computer uses the default settings. Run the BIOS setup utility to reconfigure the
settings.
If you still have a problem, have the computer serviced.
0252 (password
checksum bad)
The password you have set is cleared. Run the BIOS setup utility to set the pass-
word.
0260 (system line error)
Have the computer serviced.
0270 (real time clock
error)
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 — Default
configuration used)
Your computer was previously unable to complete the boot process. Power the
computer off; then power it on to start the BIOS setup utility. Verify the configura-
tion.
If the same error message appears, 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 supervisor password is set. Type the correct password
and press
Enter
to use the computer (see “Entering a password” on page
73).
If you still have a problem, have the computer serviced.
The hard disk drive
password prompt
A hard disk drive password is set. Type the correct password and press
Enter
to
use the computer (see “Entering a password” on page
73).
If you still have a problem, have the computer serviced.
90
ThinkPad 240 User's Reference