Lenovo ThinkPad G40 Series Service And Troubleshooting Manual page 38

Solving computer problems
Message
1810: Hard disk partition
layout error
The power-on password
prompt
The hard disk password
prompt
Hibernation error
Operating system not
found.
Fan error
16
®
ThinkPad G40 Series Service and Troubleshooting Guide
Solution
A problem in recognizing the layout of the partition on the hard disk has
halted the computer startup. Either the 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 Predesktop Area has been deleted
1. Press F1 to open BIOS Setup Utility.
2. Select Security –> 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. Double-click RECOVER TO FACTORY CONTENTS and follow
on-screen instructions.
Note: This will permanently erase the entire contents of the hard disk,
and then install software preinstalled.
Press F1 to open BIOS Setup Utility, or Enter to start the Predesktop Area.
If the computer still does not start, call the Support Center. Telephone
numbers are listed in "Worldwide telephone list" on page 65.
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.
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.
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
If you still see the same error message, check the boot sequence, using the
BIOS Setup Utility.
The cooling fan has failed. Have the computer serviced.