Lenovo ThinkPad R40 English - Service and Troubleshooting Guide for R40, R40e - Page 28

Errors without messages, Problem, Solution

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Solving computer problems Message Hibernation error Operating system not found. 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. Fan error The cooling fan has failed. Have the computer serviced. EMM386 Not Installed - Edit C:\CONFIG.SYS and change a line from Unable to Set Page Frame Base Address. device=C:\WINDOWS\EMM386.EXE RAM to device=C:\WINDOWS\EMM386.EXE NOEMS CardBus Configuration Error -Device Disabled and save this file. Go to the IBM BIOS Setup Utility. Press F9 and then Enter to load the default setting. Thermal sensing error Press F10 and then Enter to restart the system. The thermal sensor is not functioning correctly. Have the computer serviced. 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 computer; then turn it on again, and listen again. If you are using an external monitor, refer to"Computer screen problems" on page 24 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. 16 ThinkPad® R40 Series Service and Troubleshooting Guide

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Message
Solution
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.
EMM386 Not Installed
—
Unable to Set Page
Frame Base Address.
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.
CardBus Configuration
Error
—
Device Disabled
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.
Thermal sensing error
The thermal sensor is not functioning correctly. Have the computer serviced.
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
computer; then turn it on again, and listen again. If you are using an
external monitor, refer to
“
Computer screen problems
”
on page 24
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.
Solving computer problems
16
ThinkPad
®
R40 Series Service and Troubleshooting Guide