IBM S09N-8590-00 manual Fru

LCD

FRU

Replacement

Notice:

The TFT LCD

for

the

notebook

computer

contains over 2,359,296 thin-

film transistors (TFTs). A small number

of

missing,

discol-

ored,

or lighted dots (on all the time) is characteristic of

TFT

LCD

technology, but excessive pixel problems can

cause

viewing

concerns.

The

LCD

should be

replaced

if

the number of missing, discolored, or lighted dots in any

background is 8 or more.

Replacing

the

System

Board:

When you

replace

the

system

board,

restore

the

computer serial

number

using

the

VPD

Data

Utility and reassign the UUID

using the Flash UUID Utility in the ThinkPad 240 ThinkPad

Hardware

Maintenance

Diskette.

Note:

Do

not

power

off

the computer

while

restoring

the

VPD.

Important Notice

This

computer uses special nylon-coated screws with

the

following

characteristics:

Ÿ

They

maintain

tight

connections.

Ÿ

They

do

not

easily come

loose,

even

with

shock

or

vibration.

Ÿ

They

need

additional

force to

tighten.

Ÿ

They

should

be

used

only

once.

Do the following when you service this computer:

Ÿ Have a screw kit (10L1956) available.

Ÿ Always use new screws if you are instructed.

ŸUse a torque screwdriver if you have one.

ThinkPad 24025