The following tables describes beep symptoms.

Beep Symptom

FRU/Action

 

 

2 short beeps CMOS setting error

Perform the following actions in order.

 

1.

Start the Setup Utility program and press F10 to

 

 

Save and exit. See Chapter 6 “Using the Setup Utility

 

 

program” on page 55.

 

2.

Start the Setup Utility program and press F9 to load

 

 

defaults and then press F10 to Save and exit.

 

3.

Perform a Boot-block recovery. See “Recovering

 

 

from a POST/BIOS update failure” on page 173.

 

 

3 short beeps and then 1 long beep DRAM memory

Perform the following actions in order.

error

1.

Make sure the memory module(s) are properly seated

 

 

 

in the connector(s).

 

2.

Replace the memory module(s).

 

3.

Replace the system board.

 

 

 

POST error codes

Each time you power-on the system, it performs a series of tests that check the operation of the system and some options. This series of tests is called the Power-OnSelf-Test, or POST. POST does the following operations.

Checks some basic system-board operations

Checks the memory operation

Starts the video operation

Verifies that the boot drive is working

If the POST detects a problem, an error message appears on the screen. A single problem can cause several error messages to appear. When you correct the cause of the first error message, the other error messages probably will not appear on the screen the next time you turn on the system.

POST Error code

POST Error message

Description/Action

 

 

 

00CE

Machine Type or Serial Number is INVALID

This error message is displayed when the machine

 

 

type or the serial number is invalid.

 

 

 

0211

Keyboard not found

This error message is displayed when there is no

 

 

keyboard detected.

 

 

 

0135

Fan failure

The system might be overheating.

 

 

Press F1 to enter the Setup Utility program.

 

 

Then press F10 to save and exit the Setup Utility

 

 

program.

 

 

Note: If the problem is caused by the

 

 

microprocessor fan, pressing F10 will not solve

 

 

the problem.

 

 

 

0164

Memory size decreased

This error message is displayed when the memory

 

 

size has decreased.

 

 

Press F1 to enter the Setup Utility program.

 

 

Then press F10 to save and exit the Setup Utility

 

 

program.

 

 

 

62ThinkCentre E93 Hardware Maintenance Manual

Page 66
Image 66
Lenovo E93 manual Post error codes, Beep Symptom FRU/Action, Short beeps and then 1 long beep Dram memory

E93 specifications

The Lenovo E93 is a powerful and versatile desktop computer that caters to the needs of both business and personal users. This compact system is designed to deliver high performance while occupying minimal desk space, making it an ideal choice for modern work environments where efficiency and productivity are paramount.

One of the standout features of the Lenovo E93 is its performance. Powered by the latest Intel Core processors, it provides ample processing power for multitasking and demanding applications. Users can choose from different configurations that include varying RAM options, generally starting from 8GB and can be expanded up to 32GB, facilitating smooth operation even when running multiple applications simultaneously.

In terms of storage, the E93 offers a range of SSD and HDD options. With SSD drives, users experience faster boot times, reduced load times for applications, and overall increased responsiveness. The device also supports hybrid storage configurations, allowing for an ideal balance between speed and capacity.

The E93 incorporates advanced connectivity options, which are crucial for any modern desktop. It features multiple USB 3.2 ports, HDMI, and DisplayPort outputs, ensuring compatibility with a wide range of peripherals and external displays. Users can easily connect to high-speed networks, with support for both wired Ethernet and wireless connectivity options.

Security is a key focus of the Lenovo E93. It includes features such as a Trusted Platform Module (TPM) for secure encryption, and various biometric options like a fingerprint scanner, which ensures that sensitive data remains protected from unauthorized access. In addition, it has been designed to meet various compliance standards, making it suitable for enterprise environments.

The design of the E93 is both functional and aesthetically pleasing. It sports a compact chassis that can be easily integrated into different workspace setups. The convenience of tool-less access to components also enhances serviceability, allowing for easy upgrades and repairs.

For users who place importance on energy efficiency, the Lenovo E93 is ENERGY STAR certified. This makes it an environmentally friendly choice, reducing energy costs while lessening its overall carbon footprint.

Overall, the Lenovo E93 stands out as a robust desktop solution tailored to meet the diverse needs of users in both professional and personal contexts. With its impressive performance, comprehensive security features, and potential for future upgrades, it is well-equipped to handle today's demanding computing tasks while being mindful of efficiency and design.