Some or all hard disk drives missing from the Setup Utility program

Symptom: Some or all hard disk drives missing from the Setup Utility program

Actions:

Ensure that all hard disk drive signal cables and power cables are connected correctly.

Ensure that your computer is configured correctly to support the hard disk drives.

If your computer is installed with five SATA hard disk drives, ensure that the SATA hard disk drive enablement module (one to five hard disk drives) is installed.

If your computer is installed with SAS hard disk drives, ensure that the SAS hard disk drive enablement module (one to five hard disk drives) or the LSI MegaRAID SAS adapter is installed.

If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See “Lenovo Solution Center” on page 54. If you need technical assistance, see “Lenovo Support Web site” on page 32.

"No Operating System Found" message or the system not starting from the correct hard disk drive

Symptom: "No Operating System Found" message or the system not starting from the correct hard disk drive

Actions:

Ensure that all hard disk drive signal cables and power cables are connected correctly. Refer to “Replacing the hard disk drive” on page 87.

Ensure that the hard disk drive your computer starts from is listed as the first startup device in the Setup Utility program. Refer to “Selecting a startup device” on page 58.

Note: In rare cases, the hard disk drive with the operating system might get corrupted or damaged. In such cases, you might need to replace the hard disk drive. Refer to “Replacing the hard disk drive” on page 87.

If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See “Lenovo Solution Center” on page 54. If you need technical assistance, see “Replacing the hard disk drive” on page 87.

Keyboard, mouse, or pointing device problems

Select your symptom from the following list:

“All or some keys on the keyboard do not work” on page 42

“The mouse or pointing device does not work” on page 43

“The pointer on the screen does not move smoothly with the mouse” on page 44

“The fingerprint reader does not work” on page 44

“The wireless keyboard does not work” on page 44

All or some keys on the keyboard do not work

Symptom: All or some keys on the keyboard do not work.

Actions:

Verify that the keyboard cable is securely connected to the correct connector on the computer.

If you are using an Enhanced Performance USB keyboard and one or more of the Rapid Access buttons are the only keys that are not working, these buttons might have been disabled or have not been assigned to a function. Use the help system in the Enhanced Performance Customization Keyboard program to help diagnose problems with the Rapid Access buttons.

42ThinkCentre E93 Hardware Maintenance Manual

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Lenovo E93 manual Keyboard, mouse, or pointing device problems, All or some keys on the keyboard do not work

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.