Lenovo 9286, 8972, 8980, 8970 Data safety, Cleaning and maintenance, Using headphones or earphones

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The following notice applies to all countries and regions:

Danger

Outdoor antenna grounding

If an outside antenna or cable system is connected to the equipment, be sure the antenna or cable system is grounded as to provide some protection against voltage surges and built-up static charges.

Lightning

For added protection for this equipment during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the video product due to lightning and power line surges.

Power lines

An outside antenna system should not be located in the vicinity of overhead power lines or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits, as contact with them may be fatal.

Data safety

Do not delete unknown files or change the name of files or directories that were not created by you; otherwise, your computer software might fail to work.

Be aware that accessing network resources can leave your computer vulnerable to computer viruses, hackers, spyware, and other malicious activities that might damage your computer, software, or data. It is your responsibility to ensure that you have adequate protection in the form of firewalls, antivirus software, and anti-spyware software and keep this software up to date.

Cleaning and maintenance

Keep your computer and workspace clean. Shut down the computer and then disconnect the power cord before cleaning the computer. Do not spray any liquid detergent directly on the computer or use any detergent containing flammable material to clean the computer. Spray the detergent on a soft cloth and then wipe the computer surfaces.

Using headphones or earphones

If your computer has both a headphone connector and an audio-out connector, always use the headphone connector for headphones (also called a headset) or earphones.

Excessive use of headphones or earphones for a long period of time at high volume can be dangerous if the headphones or earphones do not comply with specifications of EN 50332-2. The headphone output connector of your computer

Important safety information

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Contents User Guide Page User Guide Page Contents Appendix A. Manual modem Conditions that require immediate action Important safety informationService and upgrades General safety guidelinesStatic electricity prevention Power cords and power adaptersVoltage-selection switch Plugs and outlets Extension cords and related devicesExternal devices BatteriesHeat and product ventilation Operating environment Electrical current safety informationTo connect To disconnect Lithium battery noticeModem safety information Laser compliance statement Power supply statementProducts with television tuner options installed Proper grounding for the cable Example of antenna groundingUsing headphones or earphones Data safetyCleaning and maintenance Additional safety information Introduction Xviii User Guide Glare and lighting Arranging your workspaceComfort Electrical outlets and cable lengths Air circulationInstalling the vertical stand Setting up your computerConnecting your computer Setting up your computer User Guide Line User Guide 1394 Completing important tasks Turning on powerFinishing the software installation Updating your operating system Installing other operating systemsUpdating your antivirus software Shutting down the computerUser Guide Features Installing optionsMicroprocessor Expansion Available options Dimensions SpecificationsWeight EnvironmentHandling static-sensitive devices Supported operating positionsTools required Installing external options Locating connectors on the rear of your computer Obtaining device drivers Connector DescriptionRemoving the cover Locating components Accessing system board components Identifying parts on the system board User Guide Installing options User Guide Installing memory What to do next Installing PCI adaptersInstalling internal drives Drive specifications Connecting drives Installing a drive in bayConnecting an additional serial ATA hard disk drive Installing a diskette drive in bayInstalling security features Integrated cable lock Padlock Password protectionChanging the battery Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Creating and using the Product Recovery disc Recovering softwarePerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media To create rescue media, do the following Creating and using a Recovery Repair disketteRecovering or installing device drivers Solving recovery problems Setting a rescue device in the startup sequenceUser Guide Starting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwordsAdministrator Password User PasswordSetting, changing, and deleting a password Using Security Profile by DeviceChanging the startup device sequence Selecting a startup deviceSelecting a temporary startup device Exiting from the Setup Utility program Advanced settingsUpdating system programs Using system programsUpdating flashing Bios from a diskette User Guide Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Diagnostic programs PC-Doctor for DOS PC-Doctor for WindowsRunning diagnostics from the CD or diskettes PC-Doctor for Windows PE Cleaning the mouseOptical mouse Non-optical mouse1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage Information resources Getting information, help, and serviceOnline Books folder ThinkVantage Productivity CenterHelp and service Access HelpSafety and warranty Calling for service Using the documentation and diagnostic programsPurchasing additional services Using other servicesBasic AT commands Appendix A. Manual modem commandsSet Pulse dial as default Low speaker volumeSet Tone Dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Trademarks Television output noticeIndex Drives internal 31 specificationsPage Page Part Number

9628, 8706 Types 8716, 9282, 9276, 8994 specifications

Lenovo has established itself as a leading player in the technology landscape, particularly in the realm of personal computing. Among its diverse offerings are the models 9649, 8986, 9278, 8992, and 8970, which cater to a variety of user needs, from everyday computing to more specialized tasks.

The Lenovo 9649 represents a robust option for business professionals. It comes equipped with powerful processing capabilities, thanks to its Intel Core i5 or i7 options. The model also features a vibrant display, providing exceptional clarity, which is crucial for presentations and data analysis. Enhanced security features, including a fingerprint reader, make it ideal for users concerned about data protection.

Moving on to the Lenovo 8986, this model is particularly suited for those requiring a reliable device in a compact form factor. With its lightweight design and solid-state drive (SSD), the 8986 offers excellent portability without sacrificing performance. Users benefit from quick boot times and an efficient multitasking experience, which are further supported by the ample memory options available.

The Lenovo 9278 focuses on multimedia performance, making it a great choice for creative professionals. It is equipped with a high-resolution display, superior graphics card options, and ample storage for heavy files. This model is particularly popular among gamers and graphic designers who demand picture-perfect clarity and responsiveness.

For users seeking versatility, the Lenovo 8992 is a standout. This model features a convertible design, allowing it to transition between a laptop and a tablet seamlessly. With touch capabilities and a stylus, it is perfect for note-taking and drawing, appealing to students and creative types alike. Its long battery life ensures users can go all day without needing a recharge.

Lastly, the Lenovo 8970 brings together power and affordability, making it an excellent choice for budget-conscious consumers looking for reliable performance. It boasts solid processing capabilities, a decent-sized display, and robust build quality, making it suitable for both home and office use.

In summary, Lenovo's models 9649, 8986, 9278, 8992, and 8970 showcase a range of features designed to meet diverse user requirements. Whether for business, creativity, or everyday tasks, these laptops reflect Lenovo's commitment to innovation, quality, and user satisfaction. Each model embodies the perfect blend of technology and design, catering to the evolving needs of today’s consumers.