Errors Without Messages - IBM ThinkPad R40 series Service Manual

Solving computer problems
Message
Hibernation error
Operating system not
found.
Fan error
EMM386 Not Installed —
Unable to Set Page
Frame Base Address.
CardBus Configuration
Error —Device Disabled
Thermal sensing error

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.
14
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ThinkPad R40 Series Service and Troubleshooting Guide
Solution
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
IBM BIOS Setup Utility.
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.
computer; then turn it on again, and listen again. If you are using an
external monitor, refer to"Computer screen problems" on page 20