Lenovo 8795, 8009, 8791, 8807 Using the documentation and diagnostic programs, Calling for service

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Using the documentation and diagnostic programs

Many computer problems can be solved without outside assistance. If you experience a problem with your computer, see Chapter 7, “Troubleshooting and diagnostics,” on page 47. For information on additional resources to help you troubleshoot your computer problem, see “Information resources” on page 53.

If you suspect a software problem, see the documentation, including README files and online help, that comes with the operating system or application program.

Most computers come with a set of diagnostic programs that you can use to help you identify hardware problems. For instructions on using the diagnostic programs, see “Diagnostic programs” on page 48.

The troubleshooting information or the diagnostic programs might tell you that you need additional or updated device drivers or other software. Lenovo maintains pages on the World Wide Web where you can get the latest technical information and download device drivers and updates. To access these pages, go to http://www.lenovo.com/support/ and follow the instructions.

Calling for service

If you have tried to correct the problem yourself and still need help, during the warranty period you can get help and information by telephone through the Customer Support Center. The following services are available during the warranty period:

vProblem determination - Trained personnel are available to assist you with determining if you have a hardware problem and deciding what action is necessary to fix the problem.

vHardware repair - If the problem is determined to be caused by hardware under warranty, trained service personnel are available to provide the applicable level of service.

vEngineering Change management - Occasionally, there might be changes that are required after a product has been sold. Lenovo or your reseller, if authorized by Lenovo, will make selected Engineering Changes (ECs) available that apply to your hardware.

Note: The following items are not covered:

vReplacement or use of parts not manufactured for or by Lenovo or nonwarranted Lenovo parts

vIdentification of software problem sources

vConfiguration of BIOS as part of an installation or upgrade

vChanges, modifications, or upgrades to device drivers

vInstallation and maintenance of network operating systems (NOS)

vInstallation and maintenance of application programs

Refer to the warranty and safety information that is provided with your computer for a full explanation of warranty terms. Be sure to retain your proof of purchase to obtain warranty service.

For a list of service and support phone numbers for your country or region, go to http://www.lenovo.com/support/ and click Support phone list or refer to the warranty and safety information provided with your computer.

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Contents User Guide Types 8009, 8791, 8795 Types 8803, 8807 Page User Guide Types 8009, 8791, 8795 Types 8803, 8807 Page Contents Appendix A. Manual modem Appendix B. Notices Conditions that require immediate action Important safety informationService General safety guidelinesPower cords and power adapters Batteries Extension cords and related devicesPlugs and outlets Heat and product ventilation CD and DVD drive safetyLithium battery notice Additional safety informationLaser compliance statement Modem safety informationPower supply statement Introduction Xiv User Guide Glare and lighting Arranging your workspaceComfort Electrical outlets and cable lengths Air circulationConnecting your computer Setting up your computerPhone Line Setting up your computer User Guide 1394 Completing important tasks Turning on powerFinishing the software installation Shutting down the computer Installing other operating systemsUpdating your operating system Updating your antivirus softwareUser Guide Features Installing optionsVideo subsystem Operating systems, preinstalled varies by model type Available options SpecificationsHandling static-sensitive devices Supported operating positionsLocating the connectors on the front of your computer Installing external optionsLocating the connectors on the rear of your computer Obtaining device drivers Connector DescriptionOpening the cover Identifying parts on the system board Locating componentsInstalling memory User Guide What to do next Installing a PCI adapterWhat to do next Installing an optical drive User Guide Integrated cable lock Security featuresChanging the battery Password protectionInstalling options Erasing a lost or forgotten password clearing Cmos Closing the cover and connecting the cables User Guide Creating and using product recovery discs Recovering softwareBackup and recovery Using the Rescue and Recovery workspace Creating and using rescue media Solving recovery problemsTo use rescue media, do one of the following Creating and using a Recovery Repair disketteSetting a rescue device in the startup sequence Recovering or installing device driversRecovering software User Guide Using passwords Using the Setup UtilityStarting the Setup Utility program Viewing and changing settingsSelecting a startup device User PasswordAdministrator Password Setting, changing, and deleting a passwordChanging the startup device sequence Advanced settingsExiting from the Setup Utility program User Guide Updating system programs Using system programsUpdating flashing Bios from a diskette User Guide Basic troubleshooting Troubleshooting and diagnosticsDiagnostic programs PC-Doctor for DOS PC-Doctor for WindowsRunning diagnostics from the CD or diskettes Cleaning the mouseNon-optical mouse Optical mouseUser Guide ThinkVantage Productivity Center Getting information, help, and serviceInformation resources Online Books folderHelp and service Access HelpWarranty and safety Calling for service Using the documentation and diagnostic programsPurchasing additional services Using other servicesBasic AT commands Appendix A. Manual modem commandsLow speaker volume Enable RTS/CTS hardware flow control Extended AT commands+MS=? MNP/V.42/V.42bis/V.44 commandsFax Class 2 commands Fax Class 1 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Trademarks Television output noticeDVD IndexSoftware Page Part Number

8803, 8799, 8795, 8812, 8807 specifications

Lenovo has made significant strides in the smartphone market over the years, and among its noteworthy models are the Lenovo 8807, 8803, 8795, 8812, and 8791. Each of these devices brings a unique set of features, technologies, and characteristics that cater to different user preferences.

Starting with the Lenovo 8807, this model stands out with its robust performance, powered by a high-speed processor that delivers smooth multitasking capabilities. It features a high-resolution display, ensuring that users enjoy vivid colors and sharp visuals whether they are gaming, streaming videos, or browsing the web. The camera system on the 8807 is also impressive, equipped with multiple lenses that adapt to various lighting conditions, allowing for stunning photography.

The Lenovo 8803, on the other hand, emphasizes portability without compromising performance. It boasts a sleek design and lightweight construction, making it easy to carry around. The battery life is remarkable, providing all-day usage on a single charge, which is ideal for users who are constantly on the go. The device also offers various connectivity options, including 5G support, enabling users to enjoy fast internet speeds for seamless online experiences.

The Lenovo 8795 appeals to users seeking value for money. This model delivers essential features such as a decent camera, a reliable battery, and an intuitive user interface. It is designed to handle everyday tasks effortlessly, making it a great choice for those who do not need high-end specifications but still want a trustworthy smartphone that gets the job done.

Moving to the Lenovo 8812, this device merges style with functionality. It features an elegant design, utilizing premium materials that give it a sophisticated look. The display is expansive, providing an immersive experience for media consumption. Additionally, the 8812 comes with advanced security features, including facial recognition and fingerprint scanning, ensuring that user data remains safe.

Lastly, the Lenovo 8791 targets a niche market with its focus on durability. Built with military-grade materials, it is resistant to water, dust, and drops. This rugged smartphone is perfect for outdoor enthusiasts and those who work in challenging environments. Furthermore, it has enhanced battery management, allowing for extended usage in remote areas without frequent charging.

In summary, Lenovo's lineup including the 8807, 8803, 8795, 8812, and 8791 showcases the brand’s commitment to producing devices that meet diverse user needs, whether in terms of performance, design, or durability. Each model represents a blend of technology and practicality, making Lenovo a competitive player in the smartphone market.
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