Error messages

Table 2. Error messages

Symptom or error (beeps, if any)

FRU or action, in sequence

 

 

 

Fan error.

1.

Fan.

 

2.

Thermal grease.

 

3.

System board.

 

 

Thermal sensing error.

The thermal sensor is not functioning correctly. Have the

 

computer serviced.

 

 

This system does not support batteries that are not

Replace the battery with the correct Lenovo battery for

genuine Lenovo-made or authorized. The system will

this system.

continue to boot, but may not charge unauthorized

 

 

batteries.

 

 

Attention: Lenovo has no responsibility for the

 

 

performance or safety of unauthorized batteries, and

 

 

provides no warranties for failures or damage arising out

 

 

of their use.

 

 

 

 

 

No-beep symptoms

Table 3. No-beep symptoms

Symptom or error

FRU or action, in sequence

 

 

 

No beep, power-on indicator on, LCD blank, and no

1.

Ensure that every connector is connected tightly

POST.

 

and correctly.

 

2.

Memory module.

 

3.

System board.

 

 

 

No beep, power-on indicator on, and LCD blank during

1.

Reseat the Memory module.

POST.

2.

System board.

 

 

 

The power-on password prompt appears.

A power-on password or a supervisor password is set.

 

Type the password and press Enter.

 

 

The hard-disk password prompt appears.

A hard-disk password is set. Type the password and

 

press Enter.

 

 

 

Beep symptoms

Table 4. Beep symptoms

Problem

Solution

 

 

One short beep, pause, three short beeps, pause, three

Ensure that memory modules are installed correctly. If

more short beeps, and one short beep

they are, and you still hear the beeps, have the computer

 

serviced.

 

 

Four cycles of four short beeps

The Security Chip has a problem. Have the computer

 

serviced.

 

 

Five short beeps, pause, five short beeps, and pause

Continue to boot immediately when the error was

 

detected.

 

 

LCD-related symptoms

Important: The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). The presence of a small number of dots that are missing, discolored, or always lighted is characteristic of TFT LCD technology, but excessive pixel problems can cause viewing concerns.

Chapter 4. Related service information 37

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Lenovo T430U manual Error messages, No-beep symptoms, Beep symptoms, LCD-related symptoms
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T430U specifications

The Lenovo T430U is a notable entry in Lenovo's ThinkPad series, designed to offer a blend of power, portability, and professional features suitable for business users and professionals on the go. This ultrabook stands out with its combination of performance, durability, and lightweight design.

One of the key features of the T430U is its high-definition display. The 14-inch screen offers a resolution of 1366 x 768 pixels, providing bright and clear visuals that enhance productivity. The anti-glare technology minimizes reflections, making it easier to work in various lighting conditions. The keyboard is another highlight, as it retains the signature ThinkPad style with customizable keys, a responsive feel, and an ergonomic design that ensures comfort during prolonged typing sessions.

Under the hood, the T430U is powered by Intel's third-generation Core processors, which deliver impressive performance while maintaining energy efficiency. The ultrabook can be configured with up to 8GB of RAM and offers solid-state drive (SSD) options for faster data access and boot times. This combination makes the T430U capable of handling multitasking with ease, whether it's running multiple applications or managing large datasets.

The T430U features advanced connectivity options, including USB 3.0 ports, an HDMI output, and Ethernet capabilities, ensuring compatibility with a wide range of peripherals and networks. Additionally, it incorporates Intel's Wi-Fi technology, providing reliable wireless connectivity for users working in diverse environments.

Security is a priority for Lenovo, and the T430U is equipped with features like a fingerprint reader and an integrated Trusted Platform Module (TPM) for enhanced data protection. These security measures make it a popular choice for businesses looking to safeguard sensitive information.

Battery life is another crucial aspect of the T430U, boasting an impressive runtime that allows users to work longer without frequent recharging. With its lightweight design, durable construction, and robust build quality, the T430U stands as a reliable partner for professionals who need to stay productive while on the move.

Overall, the Lenovo T430U exemplifies a perfect balance between performance, durability, and usability, making it a smart choice for anyone in need of a high-quality ultrabook that can keep up with the demands of modern work environments. Its combination of business-focused features, portability, and security empowers users to achieve their goals efficiently.
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