Table 2. Numeric error codes (continued)

Symptom or error (beeps, if any)

FRU or action, in sequence

 

 

 

02F7

1.

DIMM.

Fail-safe timer NMI failed

2.

System board.

(two short beeps)

 

 

 

 

 

1802

1.

Remove the Mini PCI network card.

Unauthorized network card is plugged in—Turn off and

2.

System board.

remove the miniPCI network card.

 

 

(two short beeps)

 

 

 

 

 

1804

1.

Remove the wireless WAN card.

Unauthorized WAN card is plugged in—Power off and

2.

System board.

remove the WAN card.

 

 

 

 

 

Error messages

Table 3. Error messages

Symptom or error (beeps, if any)

FRU or action, in sequence

 

 

Bad CRC2. Enter BIOS Setup Utility, and load Setup

Press F1 to enter BIOS Setup Utility. Press F9, and

defaults.

Enter to load the default setting. Then save the current

(two short beeps)

setting by pressing F10, and restart the computer.

 

 

 

Fan error.

1.

Fan.

(four short beeps, one long beep)

2.

Thermal grease.

 

3.

System board.

 

 

DRAM is unplugged.

Memory card is not installed. Install memory card.

(one short beep, pause, three short beeps, pause, three

 

 

short beeps, pause, one short beep.)

 

 

 

 

DRAM is not well plugged.

Reinstall the memory card.

(one short beep, pause, three short beeps, pause, three

 

 

short beeps, pause, one short beep.)

 

 

 

 

 

Operating system not found.

1.

Check that the operating system has no failure

 

 

and is installed correctly.

 

2.

Enter BIOS Setup Utility and see whether the hard

 

 

disk drive is properly identified. If you still see the

 

 

same error message, check the boot sequence.

 

3.

Reinstall the hard disk drive.

 

4.

Reinstall the operating system.

 

 

System Configuration Data Read Error

Press F1 to enter BIOS Setup Utility. Press F9, and

(two short beeps)

Enter to load the default setting. Then save the current

 

setting by pressing F10, and restart the computer.

 

 

 

No-beep symptoms

Table 4. No-beep symptoms

Symptom or error

FRU or action, in sequence

 

 

 

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

1.

Make sure that every connector is connected

POST.

 

tightly and correctly.

 

2.

DIMM.

 

3.

System board.

 

 

 

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

1.

Reseat DIMM.

POST.

2.

System board.

 

 

 

Chapter 4. Related service information 37

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Lenovo E30, E31, EDGE 13 manual Error messages, No-beep symptoms

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.