Troubleshooting
LCD Blank or Power-On Problems
Screen Message and Its
Meaning
Action
DOS screen looks
smaller.
640 x 480
When you use a DOS application that supports only VGA mode (640-by-480
resolution) with your computer, the screen image might look slightly distorted or
might appear smaller than the display size. This is to maintain compatibility with
DOS applications. To expand the screen image to the same size as the actual
screen, start the ThinkPad Features program and click on the Display button
(
); then select the
screen expansion function. (However, the image may
look slightly distorted.)
A screen or message that
is not listed.
Turn off the computer and start Easy-Setup; then select Test to test the
computer.
If the test ends with an error, make a note of the error code and have the
computer serviced.
If you cannot start Easy-Setup, have the computer serviced.
Problem
Action
The screen is blank and
there are no beeps.
Note: If you are not sure
about the beeps, turn the
computer off; then turn it
on again, and listen to the
beeps.
Verify that:
The battery pack is correctly installed.
The AC Adapter is connected to the computer and the power cord is
plugged into a working electrical outlet.
The computer power is on. (Turn on the power switch again for verification.)
If the preceding items are correct and the screen remains blank, have the
computer serviced.
The screen is blank and
there is one beep.
Note: If you are using an
external monitor, go to
“External Monitor
Problems” on page 247.
If a power-on password is set, press any key to display a power-on password
prompt and then type the correct password and press Enter (see page 102).
If a power-on password is not set, verify that the brightness control on the
computer is correctly adjusted. If the preceding items are correct and the
screen remains blank, have the computer serviced.
The screen is blank and
there is a continuous
beep, or two or more
beeps.
Have the computer serviced.
Only the cursor appears.
Reinstall your operating system and turn on the computer.
If there is still a problem, have the computer serviced.
240
IBM ThinkPad 760E, 760ED, or 760EL User's Guide
Summary of Contents for ThinkPad 760E
Page 1: ...i...
Page 28: ...Getting Started OR 7 9 1 2 3 A 8 10 B 10 IBM ThinkPad 760E 760ED or 760EL User s Guide...
Page 100: ...Using the Enhanced Video MPEG Functions 82 IBM ThinkPad 760E 760ED or 760EL User s Guide...
Page 118: ...Using Power Management 100 IBM ThinkPad 760E 760ED or 760EL User s Guide...
Page 180: ...162 IBM ThinkPad 760E 760ED or 760EL User s Guide...
Page 284: ...Getting Service 266 IBM ThinkPad 760E 760ED or 760EL User s Guide...
Page 322: ...Product Warranties and Notices 304 IBM ThinkPad 760E 760ED or 760EL User s Guide...
