IBM ThinkPad 755CX Manual page 219

What If Your Computer Does Not Work?
Start
SystemBoard Memory Display HDD-1 FDD-1
Serial DSP
If the computer did not beep, the speaker is not
working correctly. Have the computer serviced. If
you are not sure about the beep, turn off the
computer; then turn it on again and repeat step 2
on page 202.
If you cannot go beyond the first screen, have the
computer serviced.
If an error is detected, the character X appears at
the left of the affected device, and an error code
appears below it. Record the error code and have
the computer serviced.
If the test does not find a problem but one still
exists, find the problem in the troubleshooting
charts on page 204.
No Return to step 2 on page 202 and start Easy-Setup
again. If you still cannot start Easy-Setup, find the
problem in the troubleshooting charts from page 204.
Chapter 8. Solving Computer Problems
Restart
1
1 1
PCMCIA-1 Parallel
2
2 2
CD-ROM PCMCIA-2
HDD-2 FDD-2
203