Lenovo 7626, 6139, 7348, 8338, 8820, 7637, 7479 PC-Doctor for DOS, Cleaning the mouse, Optical mouse

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5.The diagnostic program opens automatically. Select the diagnostic test you want to run. Press the F1 key for additional help.

6.Follow the instructions on the screen.

Note: Rescue media includes PC-Doctor for Windows PE. For more information about rescue media, see “Creating and using rescue media” on page 38.

PC-Doctor for DOS

You can also download the latest version of the PC-Doctor for DOS diagnostic program from:

http://www.lenovo.com/support

The PC-Doctor for DOS diagnostic program runs independently of the Windows operating system. Use PC-Doctor for DOS, if you are unable to start the Windows operating system or if Lenovo System Toolbox and PC-Doctor for Windows PE have not been successful in isolating a possible problem. You can run PC-Doctor for DOS from a diagnostic CD/DVD image that you create.

Creating a diagnostic CD/DVD image

To create a diagnostic CD/DVD image, download a self-starting bootable CD/DVD image (known as an ISO image) of the diagnostic program from http://www.lenovo.com/support

After you download the image, you can create the CD/DVD using any CD/DVD burning software.

Running diagnostics from the disc

To run diagnostics from the diagnostic CD/DVD image that you created, do the following:

1.Insert the disc into the optical drive.

2.Restart the computer.

Note: If the diagnostic program does not start, you might not have your optical drive set as a startable device. See “Selecting a startup device” on page 45 for instructions on how to change the startup device.

3.When the diagnostics program opens, follow the instructions on the screen.

4.When the program finishes, be sure to remove the disc from the drive.

5.Select the diagnostic test you want to run. Press the F1 key for additional help.

Cleaning the mouse

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

Optical mouse

An optical mouse uses a light-emitting diode (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:

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.

54User Guide

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Contents Page Page ThinkCentre User Guide Page Contents Iv User Guide Important safety information Vi User Guide Features Product overviewVideo subsystem Power Specifications EnvironmentSoftware overview Software provided with your Windows operating systemLocations Locating connectors on the front of your computer PC-Doctor for Windows PELocating connectors on the rear of your computer Rear connector locationsConnector Description Locating components Component locationsLocating parts on the system board Shows the location of the parts on the system boardHandling static-sensitive devices Installing options and replacing hardwareInstalling options and replacing hardware Installing external options Opening the computer coverInstalling or replacing a memory module Opening the computer coverWhat to do next Replacing the hard disk drive Removing the hard disk driveInstalling the hard disk drive into the bracket Replacing the optical driveRemoving the front bezel Replacing the battery Installing the optical driveRemoving the old battery Replacing the heat sinkRemoving the heat sink Accessing the microprocessor Replacing the microprocessorRemoving the microprocessor Replacing the adapter card Releasing the system board Replacing the front audio and USB assembly Replacing the internal speakerRemoving the front bezel Replacing the AC power adapter Removing the front audio and USB assemblyConnecting the AC power adapter Replacing the keyboard Replacing the mouseCompleting the parts replacement Mouse connectorsCable routing Installing security features Password protection Integrated cable lockErasing lost or forgotten passwords clearing Cmos Recovery information Creating and using Product Recovery discsPerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media Creating and using a Recovery Repair diskette To use rescue media, do one of the followingRecovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problemsUser Guide Viewing and changing settings Using the Setup UtilityStarting the Setup Utility program Using passwordsPrivileged Access Password Password considerationsPower-On Password Hard Disk User PasswordSelecting a temporary startup device Enabling or disabling a deviceSelecting a startup device Selecting or changing the startup device sequence Advanced settingsExiting from the Setup Utility program Updating system programs Using system programsUpdating flashing Bios from a disc Updating flashing Bios from your operating system Recovering from a POST/BIOS update failureUpdating system programs User Guide Troubleshooting and diagnostics Basic troubleshootingSymptom Action PC-Doctor for Windows PE Diagnostic programsLenovo System Toolbox Optical mouse Cleaning the mousePC-Doctor for DOS Non-optical mouse User Guide Online Books folder Getting information, help, and serviceInformation resources ThinkVantage Productivity CenterLenovo Welcome Access HelpSafety and Warranty Calling for service Help and serviceUsing the documentation and diagnostic programs Using other services Purchasing additional servicesAppendix. Notices Television output notice TrademarksIndex CRUPage Page User Guide Page Part Number 53Y9936

9961, 7187, 6136, 7345, 7629 specifications

The Lenovo 7479, 7629, 9961, 8338, and 7626 are part of Lenovo's diverse and innovative range of devices that cater to varying user needs, from business professionals to casual users. Each model comes with unique features and technological capabilities aimed at enhancing productivity and user experience.

Starting with the Lenovo 7479, it’s designed with portability in mind. Its lightweight structure doesn’t compromise on performance, as it integrates the latest Intel processors, ensuring responsiveness in multitasking scenarios. The 7479 also features a vibrant display that allows users to enjoy a rich visual experience, whether for work-related tasks or media consumption. With an emphasis on security, this model includes a fingerprint reader for secure access.

The Lenovo 7629 is another versatile option, becoming a favorite for those who require robust computing power without sacrificing battery life. Equipped with advanced cooling technology, the 7629 remains efficient during intense usage, such as graphic-intensive applications or gaming. Its high-resolution screen further complements its capabilities, providing sharp visuals and excellent color accuracy.

Model 9961 stands out due to its hybrid functionality, allowing users to switch between traditional laptop and tablet modes seamlessly. This flexibility is perfect for professionals who need to present or collaborate on the go. Additionally, the 9961 comes with a stylus pen, ideal for note-taking or creative tasks, ensuring versatility in its use.

The Lenovo 8338 appeals to gamers and multimedia enthusiasts. Its dedicated graphics card and high-refresh-rate display lead to an immersive experience, whether one is playing the latest games or editing videos. The sound system in the 8338 is engineered for clarity and depth, allowing for an enriching audio experience that complements the visual components.

Lastly, the Lenovo 7626 is tailored for businesses, focusing on durability and performance. Its rugged design can withstand various conditions, making it suitable for travel and outdoor use. Along with long battery life, the 7626 includes features like a backlit keyboard and ample connectivity options, ensuring it meets the demands of a busy work environment.

In conclusion, the Lenovo models 7479, 7629, 9961, 8338, and 7626 each offer distinct features and technological advancements, catering to different user preferences. From portability to performance and flexibility, Lenovo continues to lead in innovation, providing devices that enhance productivity and user satisfaction.