Table 1. FRU tests (continued)

FRU

Applicable test

 

 

 

Optical drive

1.

Diagnostics -->Other Devices-->Optical Drive

 

2.

Interactive Tests -->Optical Drive Test

 

 

 

Memory

1.

If two DIMMs are installed, remove one of them and run

 

 

Diagnostics -->Advanced Memory Tests.

 

2.

If the problem does not recur, return the DIMM to its place,

 

 

remove the other one, and run the test again.

 

 

 

Fan

1.

Turn on the computer and check the air turbulence at the

 

 

louver near the PC Card slot.

 

2.

Run Diagnostics -->ThinkPad Devices -->Fan.

 

 

TrackPoint or pointing

If the TrackPoint does not work, check the configuration as

device

specified in the BIOS Setup Utility. If the TrackPoint is disabled,

 

select Automatic to enable it.

 

After you use the TrackPoint, the pointer may drift on the screen

 

for a short time. This drift can occur when a slight, steady

 

pressure is applied to the TrackPoint pointer. This symptom is not

 

a hardware problem. If the pointer stops after a short time, no

 

service action is necessary.

 

If enabling the TrackPoint does not correct the problem, continue

 

with the following:

 

v Interactive Tests -->Mouse

Touch Pad

If the Touch Pad does not work, check the configuration as

 

specified in the BIOS Setup Utility. If the Touch Pad is disabled,

 

select Automatic to enable it. If enabling the Touch Pad does not

 

correct the problem, continue with the following:

 

v Interactive Tests -->Mouse

General checkout 51

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Lenovo R400 Diagnostics --Other Devices--Optical Drive, Interactive Tests --Optical Drive Test, Interactive Tests --Mouse

R400 specifications

The Lenovo R400 is a business laptop that was designed for professionals seeking a balance of performance, durability, and mobility. It is part of Lenovo's renowned ThinkPad series, which is known for its robust build quality and user-centric features. The R400 combines an array of technologies and characteristics that cater specifically to the demands of the modern workplace.

One of the standout features of the Lenovo R400 is its powerful processor options. Depending on the configuration, it can be equipped with Intel Core 2 Duo processors, which provide efficient multitasking capabilities and commendable performance for typical business applications. This ensures that users can run multiple applications seamlessly, whether it’s for data analysis, presentations, or video conferencing.

In terms of design, the R400 maintains the classic ThinkPad aesthetic with a lightweight chassis that makes it portable for professionals on the go. It typically weighs around 5.2 pounds, making it convenient for travel while still offering a sturdy construction that can withstand daily use. The spill-resistant keyboard is another practical characteristic, enabling users to work without worrying about minor accidents. The keyboard itself is celebrated for its comfortable layout and tactile feedback, ideal for prolonged typing sessions.

The display is another critical aspect of the R400. It generally features a 14.1-inch widescreen model, providing adequate screen real estate for productivity tasks. With a resolution of 1440 x 900, the screen delivers crisp visuals and vibrant colors, enhancing the viewing experience for both presentations and media consumption.

Connectivity is robust, with multiple USB ports, Ethernet, and optional Bluetooth capabilities that facilitate seamless communication and file transfers. The presence of both VGA and display port outputs makes it easy to connect to projectors or external monitors, an essential feature for professional presentations.

Security features also play a crucial role in the R400's design. It typically offers features like a fingerprint reader, a Trusted Platform Module (TPM) for data encryption, and a robust BIOS that helps safeguard sensitive information, which is critical for professionals handling confidential data.

In summary, the Lenovo R400 stands out as a reliable business laptop, blending performance, durability, and features tailored to meet the needs of the modern workforce. Its powerful processing capabilities, user-friendly design, and robust security measures make it an attractive choice for professionals requiring a dependable and efficient mobile computing solution.