Errors Without Messages - IBM ThinkPad T40 Series Service And Troubleshooting Manual

Message
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.

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 the Fn+Home.
If the screen still remains blank, make sure that:
v The battery is installed correctly.
v The ac adapter is connected to the computer and the power cord is
v The computer power is on. (Turn on the power switch again for
Solution
The cooling fan has failed. Have the computer serviced.
Edit C:\CONFIG.SYS and change a line from
device=C:\WINDOWS\EMM386.EXE RAM
to
device=C:\WINDOWS\EMM386.EXE NOEMS
and save this file.
Press F1 to go to the IBM 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. If you need 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 24
plugged into a working electrical outlet.
confirmation.)
Solving computer problems
Chapter 2. Solving computer problems
17