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1810: Hard disk partition
layout error
A problem in recognizing the layout of the partition on the hard disk has
halted the computer startup. Either the IBM Predesktop Area has been
deleted, or the hard disk contains corrupt data. To try to restart your
computer, complete one of the following:
v If the IBM Predesktop Area has been deleted
1. Press F1 to open the IBM BIOS Setup Utility.
2. Select Security –> IBM Predesktop Area–> Access IBM Predesktop
Area.
3. Set this item to Disabled.
4. Save and exit.
v If the above fails
1. Press Enter.
2. Click RECOVER TO FACTRY CONTENTS and follow on-screen
instructions.
Note: This will permanently erase the entire contents of the hard disk,
and then install software preinstalled by IBM.
Press F1 to open BIOS Setup, or Enter to start the IBM Predesktop Area.
If the computer still does not start, call the IBM HelpCenter. Telephone
numbers are under “Calling IBM” on page 38
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 you still see the same error message, check the boot sequence, using the
IBM BIOS Setup Utility.
Fan error The cooling fan has failed. Have the computer serviced.
Solving computer problems
14
ThinkPad
®
G40 Series Service and Troubleshooting Guide