1.Close any programs that are currently running and close any open windows.

2.Click Start Computer.

3.Right-click your C drive entry and then click Properties.

4.Click the Tools tab.

5.Click Defragment Now, then click Continue.

6.Click Defragment Now again to start a disk-defragmentation process.

On the Windows 8 or Windows 8.1 operating system, do the following:

1.Close any programs that are currently running and close any open windows.

2.On Windows 8, open File Explorer and click Computer. On Windows 8.1, open File Explorer.

3.Right-click your C drive entry and then click Properties.

4.Click the Tools tab and then click Optimize.

5.Click Optimize in the Optimize Drives window that is displayed to start a disk-defragmentation process.

Insufficient memory

Symptom: Insufficient memory

In general, the more memory that is installed, the better the Windows operating system runs.

Action: Install additional memory. For information about purchasing memory, see “Lenovo Support Web site” on page 32. For step-by-step instructions on installing memory, see “Installing or replacing a memory module” on page 108.

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

Printer problems

Symptom: The printer does not work.

Actions: Verify that:

1.The printer is turned on and is online.

2.Paper is loaded correctly.

3.The printer signal cable is securely connected to the correct parallel, serial, or USB connector on the computer.

Note: Non-IEEE-approved printer signal cables might cause unpredictable problems.

1.Any device drivers and other software that came with the printer are correctly installed.

2.You have assigned the printer port correctly in your operating system, application program, or BIOS settings. For more information about BIOS settings, see Chapter 6 “Using the Setup Utility program” on page 55.

If the problem persists, run the tests described in the documentation that comes with your printer. If you cannot correct the problem, have the computer serviced. See “Lenovo Support Web site” on page 32.

Serial port problems

Use this information to troubleshoot the serial port and devices attached to the serial port.

Symptom: Serial port cannot be accessed.

Chapter 5. Troubleshooting and diagnostics 51

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Lenovo E93 manual Printer problems, Serial port problems, Insufficient memory, Click Defragment Now, then click Continue

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.