IBM 240 manual LCD problems, ClickProperties

Troubleshooting charts

LCD problems

Problem		Action
The	screen is unreadMake-		sure that:
able	or distorted.	Ÿ The ThinkPad		display	driver	is installed correctly.
			1. ClickStart	and move	the	cursorSettings to; then clickControl Panel	.

2.Double-clickDisplay .

3.Select Settingsthe tab in the "Display Properties" window.

4.

(For

Windows

98)

ClickAdvanced... ;

then click Adapterthe

tab.

(For Windows 95) ClickAdvanced Properties

. The "Adapter/Driver Infor-

mation" window appears.Make sure that the display driver information is

correct.

Ÿ The

refresh

rate

setting

is

set

to

your

display resolution

and

color depth

doing the following:

1. Start

the

ThinkPad

Configuration

program.

2.

ClickLCD

.

3. ClickProperties .

4.

Make

sure

the

settings

in

the

"Display

Properties"

window

are

correct.

5. Click OK

to

close

the window.

Incorrect charactersDid you install

the

operating

system

or

application

program

with

the

correct proc

appear on the screendure?.

If they are installed and configured correctly, have the computer serviced.

The screen stays on Push and

hold

the power switch

for

about

five seconds;

then

release it

to tur

even after you poweryouroffcomputer. Turn

it on

again.

the computer.

Missing, discolored, orThis is a characteristic

of

TFT

technology. Your computer display contains multiple

bright dots appear onthin-film

transistors

(TFTs).

A small

number of

missing,

discolored,

or bright

dots

the screen every timeon the

screen

might

exist

all

the

time.

you power on your com-

puter

(TFT

display

model.)

Screen

is

blank

Make sure that

the

screen

timer

is

set correctly

(not

DIMM).

96 ThinkPad 240 User's Reference