General Problems - IBM ThinkPad 755CX Manual

What If Your Computer Does Not Work?

General Problems

Problem
The computer
performance is getting
worse in an environment
where the temperature is
higher than the product
specifications. (See
"Specifications" on
page 251.)
Problems such as a
broken keylock or an
indicator not working.
The computer does not
turn off with the power
switch.
The application locks up
or the computer does not
accept any input.
The computer does not
start from a diskette.
Keyboard cannot be
opened.
210
IBM ThinkPad 755CX User's Guide
Processor speed may decrease if the computer is used in a high-temperature
environment.
Have the computer serviced.
If the suspend indicator is turned on, connect the AC Adapter or install a fully
charged battery pack to the computer; then resume it.
If there is still a problem, press the Power Shutdown switch on the rear of the
computer with the tip of a pen to turn off the computer.
Press the Power Shutdown switch on the rear of the computer with the tip of a
pen to turn off the computer; then turn the computer on again.
Check that the startup sequence is set to start the computer from the diskette
drive (see page 47).
Check that the locking lever for the hard disk drive is unlocked or that the
Kensington lock is not used.
Cause or Action