Errors Without Messages - Lenovo THINKPAD T40 User Manual

Message
Operating system not
found.
Fan error
EMM386 Not Installed -
Unable to Set Page
Frame Base Address.
CardBus Configuration
Error - Device Disabled
Thermal sensing error
Authentification of
system services failed.
Press <Esc> to resume.

Errors without messages

Problem:
When I turn on the machine, nothing appears on the screen and the
machine does not beep while starting up.
Note: If you are not sure whether you heard any beeps, turn off the
Solution:
If a power-on password is set, press any key to display the power-on
password prompt, and then type the correct password and press Enter.
If the power-on password prompt does not appear, the brightness level
might be set to minimum brightness. Adjust the brightness level by
pressing Fn+Home.
If the screen still remains blank, make sure that:
v The battery is installed correctly.
Solution
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.
Edit C:\CONFIG.SYS and change a line from
to
and save this file.
Go to the BIOS Setup Utility. Press F9 and then Enter to load the default
setting.
Press F10 and then Enter to restart the system.
The thermal sensor is not functioning correctly. Have the computer serviced.
The IBM Predesktop Area in the HDD is broken. To use the IBM Predesktop
Area, get a Recovery CD, then recover the IBM Predesktop Area using it.
computer; then turn it on again, and listen again. If you are using
an external monitor, refer to "Computer screen problems" on page
25.
Solving computer problems
Chapter 2. Solving computer problems
17