diagnostic program runs independently of the Windows operating system. Use the PC-Doctor for DOS diagnostic program if you are unable to start the Windows operating system. You can run the PC-Doctor for DOS diagnostic program from a diagnostic disc that you created.

Creating a diagnostic disc

This section provides instructions on how to create a diagnostic disc.

To create a diagnostic disc, do the following:

1.Download a self-starting bootable disc image (known as an ISO image) of the diagnostic program from:

http://www.lenovo.com/support

2.Use any CD/DVD burning software to create a diagnostic disc with the ISO image.

Running the diagnostic program from the diagnostic disc

This section provides instructions on how to run the diagnostic program from the diagnostic disc that you created.

To run the diagnostic program from the diagnostic disc that you created, do the following:

1.Make sure that your computer is turned off.

2.Repeatedly press and release the F12 key when turning on the computer. When the Startup Device Menu opens, release the F12 key.

3.Insert the diagnostic disc into the optical drive.

4.Select the optical drive with the diagnostic disc as the startup device and press Enter. The diagnostic program opens.

5.Follow the instructions on the screen to run the desired diagnostic test. For additional help, press the F1 key.

6.Remove the diagnostic disc from the optical drive after completing the diagnostic test.

Cleaning the mouse

This section provides instructions on how to clean an optical or non-optical mouse.

Optical mouse

An optical mouse uses a LED and an optical sensor to navigate the pointer. If the pointer on the screen does not move smoothly with the optical mouse, you might need to clean the mouse.

To clean the optical mouse, do the following:

1.Turn off your computer.

2.Disconnect the mouse cable from the computer.

3.Turn the mouse upside down to look at the lens.

a.If there is a smudge on the lens, gently clean the area with a plain cotton-tipped swab.

b.If there is debris in the lens, gently blow the debris away from the area.

4.Check the surface on which you are using the mouse. If you have a very intricate picture or pattern beneath the mouse, it may be difficult for the digital signal processor (DSP) to determine changes in the mouse position.

5.Reconnect the mouse cable to the computer.

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Lenovo 1186, 994, 401, 1184, 2565, 1165 manual Cleaning the mouse, Optical mouse
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994, 1184, 1165, 2565, 1186 specifications

Lenovo has established a solid reputation in the tech industry, and certain models have particularly highlighted its innovation and commitment to quality. Among these, the Lenovo 401, 1186, 2565, 1165, and 1184 stand out, each offering a unique blend of features and technologies aimed at enhancing user experience.

The Lenovo 401 is a sleek and versatile laptop designed for everyday users and professionals alike. It features a powerful Intel Core processor, making it capable of handling multitasking efficiently. With a high-definition display, users can enjoy sharp and vibrant visuals, whether for watching movies or working on documents. The long-lasting battery ensures that users can work on the go without frequent recharges, while ample storage space provides flexibility for data-heavy tasks.

The Lenovo 1186 is another remarkable model that prioritizes security and performance. Equipped with advanced biometric features such as fingerprint recognition, it ensures users' data is well protected. Furthermore, it includes faster SSD storage options, which enhance overall system responsiveness. The laptop's robust build quality makes it suitable for users who are constantly on the move, as it can withstand daily wear and tear.

Model 2565 represents a perfect solution for gamers and creatives. With dedicated graphics cards and high refresh rate displays, this model promises an immersive gaming experience along with smooth rendering of graphics-heavy applications. The expanded cooling system ensures optimal performance during intense gaming sessions, while customizable RGB lighting allows users to personalize their setup.

On the other hand, the Lenovo 1165 focuses on compactness without sacrificing performance. Its lightweight design makes it exceptionally portable, catering to users who prioritize mobility. Despite its size, it still boasts powerful hardware capable of running demanding applications, making it an ideal choice for students and professionals alike.

Lastly, the Lenovo 1184 encapsulates the essence of affordability paired with functionality. This model provides essential features such as reliable performance, decent battery life, and a comfortable keyboard for extended typing sessions. It is best suited for users seeking a budget-friendly option that still delivers quality performance for everyday tasks.

In summary, Lenovo’s 401, 1186, 2565, 1165, and 1184 models cater to a diverse range of users, from professionals to gamers. With features like powerful processors, enhanced security, and lightweight designs, these models exemplify Lenovo's commitment to technological advancement and customer satisfaction.
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