Table 1. FRU tests (continued)

FRU

Applicable 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.

 

 

TrackPoint or pointing

If the TrackPoint does not work, check the configuration as specified in the BIOS Setup

device

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:

 

• 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:

 

• Interactive Tests ➙ Mouse

Power system checkout

To verify a symptom, do the following:

1.Turn off the computer.

2.Remove the battery pack.

3.Connect the AC adapter.

4.Check that power is supplied when you turn on the computer.

5.Turn off the computer.

6.Disconnect the AC adapter and install the charged battery pack.

7.Check that the battery pack supplies power when you turn on the computer.

If you suspect a power problem, see the appropriate one of the following power supply checkouts:

•“Checking the AC adapter” on page 28

•“Checking operational charging” on page 29

•“Checking the battery pack” on page 29

•“Checking the backup battery” on page 30

Checking the AC adapter

You are here because the computer fails only when the AC adapter is used.

•If the power-on indicator does not turn on, check the power cord of the AC adapter for correct continuity and installation.

•If the computer does not charge during operation, go to “Checking operational charging” on page 29.

To check the AC adapter, do the following:

1.Unplug the AC adapter cable from the computer.

2.Measure the output voltage at the plug of the AC adapter cable. See the following figure:

28Hardware Maintenance Manual

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Lenovo E30, E31, EDGE 13 manual Power system checkout, Checking the AC adapter, Memory Tests, Interactive Tests Mouse
Page 33 Page 35

EDGE 13, E30, E31 specifications

The Lenovo E30, EDGE 13, and E31 are part of Lenovo's well-regarded ThinkPad and Edge series, designed to provide users with versatility, performance, and efficiency. Each model caters to different user needs while maintaining a high standard of build quality and functionality.

The Lenovo E30 is a compact and lightweight business laptop that combines portability with powerful performance. It typically features a 13.3-inch display, making it easy to carry without sacrificing usability. The E30 is equipped with Intel's Core i5 or i7 processors, offering a balance between power and battery efficiency. The laptop supports up to 8GB of RAM, ensuring smooth multitasking for business applications, and provides ample storage options with HDD or SSD configurations available. The integrated graphics chip allows for casual gaming and efficient media playback, while its robust security features, including a fingerprint reader and Trusted Platform Module (TPM), safeguard sensitive information.

Moving to the Lenovo EDGE 13, this model features an ergonomic design and a chiclet keyboard that enhances typing comfort during long working hours. Its 13-inch display boasts vibrant visuals, suitable for both professional presentations and media consumption. The EDGE 13 is also powered by Intel Core processors and can be configured with up to 8GB of RAM, enabling users to run demanding applications seamlessly. Its dedicated graphics option may appeal to users who require enhanced performance for graphic design or gaming. Furthermore, connectivity options are plentiful, including USB 3.0 ports and HDMI output, making it easy to connect peripherals and external displays.

The Lenovo E31 is the larger counterpart in the series, featuring a 14-inch or 15-inch display that is ideal for users who prefer a more extensive screen for their tasks. This model is designed for productivity and collaborative work, with its ample screen real estate facilitating multitasking. Like its predecessors, the E31 is equipped with the latest Intel processors, ensuring it meets the demands of various software applications. The robust build quality is complemented by a spill-resistant keyboard, making it suitable for environmental challenges often faced in business settings. Lenovo emphasizes battery longevity in the E31, which allows users to work longer without needing a recharge.

All three models—E30, EDGE 13, and E31—incorporate advanced technologies such as Lenovo's RapidCharge feature for quick battery refills and enhanced cooling systems that help maintain performance levels during intense tasks. Additionally, Lenovo’s software solutions enhance productivity with tools for managing tasks and securing data.

In summary, whether opting for the portability of the E30, the stylish EDGE 13, or the expanded functionality of the E31, Lenovo offers a solid choice in the business laptop market, tailored to various user needs while ensuring reliability, performance, and security.
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