An option that was just installed does not work

Symptom: An option that was just installed does not work.

Action: Verify that:

The option is designed for your computer.

You followed the installation instructions supplied with the option and the installation instructions provided with your computer, and all option files (such as device drivers, if required) are installed correctly.

You have not loosened other installed options or cables.

If the option is an adapter, you have provided enough hardware resources for the adapter to function correctly. See the documentation supplied with the adapter (as well as the documentation for any other installed adapters) to determine the resources required for each adapter.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 109 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 111.

An option that previously worked does not work now

Symptom: An option that previously worked does not work now.

Actions:

Verify that all option hardware and cable connections are secure.

If the option comes with its own test instructions, use those instructions to test the option.

If the failing option is a SCSI option, verify that:

The cables for all external SCSI options are connected correctly.

The last option in each SCSI chain, or the end of the SCSI cable, is terminated correctly.

All external SCSI options are turned on. External SCSI options must be turned on before the computer is turned on. For more information, see your SCSI documentation.

Verify that the option and any required device drivers are installed correctly.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 109 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 111.

Performance and lockup problems

Poor performance and lockup problems can be a result of any of the following:

“Insufficient free hard disk drive space” on page 104

“Excessive number of fragmented files” on page 106

“Insufficient memory” on page 106

Make a selection from the above list to find out more about the corrective actions you can take.

Insufficient free hard disk drive space

Symptom: Insufficient free hard disk drive space

The Windows operating system will slow down and might produce errors if the hard disk drive gets too full.

104ThinkCentre User Guide

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Lenovo 4518, 4471, 4466, 7023, 7005, 4512 Performance and lockup problems, An option that was just installed does not work

4485, 4514, 4480, 4471, 4496 specifications

Lenovo's ThinkPad series has long been synonymous with durability, performance, and enterprise-grade features, and the models 4474, 4473, 4477, 4468, and 4466 are no exception. Each of these models brings distinct characteristics and technologies tailored to meet the diverse needs of users ranging from casual consumers to business professionals.

The Lenovo 4474 model excels in portability and performance. Featuring a lightweight chassis, it is designed to be carried easily for on-the-go professionals. It is equipped with Intel’s latest processors, ensuring quick response times and efficient multitasking capabilities. The display, often a Full HD resolution, enhances the multimedia experience, making it suitable for presentations and video playback.

The Lenovo 4473 model stands out with its robust security features. It comes with a fingerprint reader and an integrated Trusted Platform Module (TPM) to provide an added layer of security for sensitive information. This focus on security makes it an excellent choice for businesses that prioritize data protection and compliance with various regulations.

The 4477 model is recognized for its exceptional battery life. With energy-efficient components and optimized power management technologies, users can expect extended productivity without the need for frequent charging. This model is perfect for users who need to work remotely or in environments where power sources are not readily available.

For those seeking a balance between versatility and performance, the Lenovo 4468 model is an appealing choice. This model supports a wide range of connectivity options, including USB-C, HDMI, and Ethernet ports, catering to various peripheral needs. Additionally, it typically features an ergonomic keyboard and a responsive touchpad, enhancing the user experience for long typing sessions.

Lastly, the Lenovo 4466 brings innovation in terms of display technology. With options for touchscreens and high-resolution displays, this model caters to creative professionals who require precise color accuracy and vivid graphics. It offers a solid performance for design tasks, video editing, and even gaming, making it a versatile option for different scenarios.

In summary, Lenovo’s models 4474, 4473, 4477, 4468, and 4466 are tailored to address specific user needs, whether it be portability, security, battery life, connectivity, or display technology. These ThinkPad series laptops continue to exemplify Lenovo's commitment to quality and innovation in the computing space.