Errors Without Messages - IBM ThinkPad T22 2647 Supplementary Manual

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

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 control
lever 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 plugged
into a working electrical outlet.
v The computer power is on. (Turn on the power switch again for
confirmation.)
14
®
ThinkPad T22 Service and Troubleshooting Guide
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 IBM
BIOS Setup Utility.
The cooling fan is failing. 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.
computer; then turn it on again, and listen again.