Symptom-to-FRU Index

LCD-Related Symptoms

 

 

Important

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The

TFT

 

LCD

 

for

 

the

notebook

computer

contains

 

over 2,359,296 thin-film transistors (TFTs). A small

 

number

of

 

missing,

discolored, or lighted dots

(

the time) is characteristic of TFT LCD technology

excessive

 

pixel

 

problems

can

cause

viewing conce

The LCD should be replaced if the number of m

discolored,

 

or

 

lighted

dots

in

any21 backgroundor

i

more .

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symptom

/

Error

 

 

 

 

 

 

 

 

FRU / Action in Sequence

 

 

 

 

 

 

 

 

 

 

 

No beep, power-on

indicator1.System board

 

 

 

 

on,

and

a

blank

LCD

during

 

 

 

 

 

 

 

 

POST.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ÿ

LCD

 

backlight

not

 

 

1. Reseat

the

LCD

 

 

 

 

 

working.

 

 

 

 

 

 

 

 

 

 

connectors.

 

 

 

 

Ÿ

LCD

 

too

dark.

 

 

 

 

 

2.

LCD assembly

 

 

 

 

 

 

 

 

 

3.

System board

 

 

 

Ÿ

LCD

 

brightness

 

cannot

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

be

adjusted.

 

 

 

 

 

 

 

 

 

 

 

 

Ÿ

LCD

 

contrast

cannot

 

 

 

 

 

 

 

 

 

 

 

be

adjusted.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ÿ

LCD screen

 

 

 

 

 

 

 

1. See

important

note

 

 

 

 

 

unreadable.

 

 

 

 

 

 

 

for

“LCD-Related

 

 

 

Ÿ

Characters missing

 

 

 

 

Symptoms.”

 

 

 

 

 

 

pels.

 

 

 

 

 

 

 

 

 

2.

Reseat

all LCD

 

 

Ÿ

Screen abnormal.

 

 

 

 

 

connectors.

 

 

 

Ÿ

Wrong

color

displayed.

3.

LCD assembly

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

System board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LCD

has

extra

horizontal

or1.LCD assembly

 

 

 

 

vertical

 

lines

displayed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Modem (DSP)-Related Symptoms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symptom

/

Error

 

 

 

 

 

 

 

 

FRU / Action in Sequence

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

In

OS/2,

DOS,

or

 

Windows

Check

that

the

device

 

 

 

multimedia

programs,

no

 

driver

is

installed

 

 

 

sound

comes

 

from

 

the

 

correctly.

 

 

 

 

 

computer.

 

(Only system

 

 

 

 

 

 

 

 

 

 

beeps

 

are

 

heard

 

at

 

 

 

 

 

 

 

 

 

 

power-on.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

In

OS/2,

DOS,

or

 

Windows,Check that the DSP

 

 

 

the

modem

does

not

work.Modem

is

active.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OS/2

and

Windows:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Click on theDSP Modem

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

icon

in

the

ThinkPad

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Configuration

program.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DOS:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Run

the MWMODEM

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

command.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62

Page 68
Image 68
IBM 600/600E (2645) manual LCD-Related Symptoms, That Device, Windows,Check that the DSP

600/600E (2645) specifications

The IBM 600/600E (2645) is a vital part of IBM's legacy in the computing landscape, designed primarily for business environments that required robust performance and adaptability. Introduced in the mid-1990s, the IBM 600/600E was notable for its combination of compact design and powerful technology, making it suitable for various applications.

One of the primary features of the IBM 600/600E is its modular architecture. The system supports a range of configurations, allowing users to tailor the machine according to their specific needs. This flexibility extends to hardware components, with options for various processors, memory capacities, and storage configurations. This modularity ensures that businesses can easily upgrade their systems as their computing demands evolve.

The 600 series is powered by Intel's Pentium processors, which provide significant improvements in speed and efficiency over previous generations. The system supports multiple processor options, enhancing performance for intensive applications such as database management and enterprise resource planning. The ability to scale processing power is a critical characteristic that makes the IBM 600/600E a strong contender for business-critical tasks.

Memory capacity in the IBM 600/600E is another highlight, supporting up to 1GB of RAM. This capacity enables the handling of multiple simultaneous processes, an essential requirement for multitasking environments. Moreover, the system utilizes DDR SDRAM technology, which enhances data transfer rates and overall performance.

Storage capabilities are also significant in this series. The IBM 600/600E can accommodate various storage solutions, including IDE hard drives and SCSI interfaces. This diversity ensures that organizations can choose the most suitable storage option for their data needs, whether it's speed, capacity, or reliability.

The design of the IBM 600/600E emphasizes ease of use and serviceability. Its compact form factor allows for efficient workspace utilization, while its straightforward maintenance features enable IT staff to perform upgrades and repairs without extensive downtime.

In terms of connectivity, the IBM 600/600E is equipped with standard Ethernet support, promoting seamless integration within networked environments. This ensures that businesses can maintain constant communication and data exchange, which is vital in today’s interconnected world.

Overall, the IBM 600/600E (2645) blends powerful processing capabilities with flexibility and reliability, making it a robust solution for businesses seeking a dependable computing platform. Its combination of modular design, scalable performance, and user-friendly features solidifies its reputation as a valuable asset in the realm of enterprise computing.