Lenovo 7821, 7782 Laser compliance statement, Power supply statement, Cleaning and maintenance

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Laser compliance statement

CAUTION:

When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are installed, note the following:

•Do not remove the covers. Removing the covers of the laser product could result in exposure to hazardous laser radiation. There are no serviceable parts inside the device.

•Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure.

DANGER

Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the following.

Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam.

Power supply statement

Never remove the cover on a power supply or any part that has the following label attached.

Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician.

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.

© Copyright Lenovo 2011, 2012

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Contents ThinkStation User Guide Fourth Edition June Copyright Lenovo 2011 Contents Appendix A. Notices Important safety information Service and upgradesStatic electricity prevention Extension cords and related devices Power cords and power adaptersPlugs and outlets External devicesHeat and product ventilation Operating environment Modem safety informationPower supply statement Cleaning and maintenanceLaser compliance statement Viii ThinkStation User Guide Product overview FeaturesConnectivity Power supply Dimensions SpecificationsSoftware provided by Lenovo Software overviewLocations Adobe Reader Antivirus softwareFront connector, control, and indicator locations Connector Description Locating connectors on the rear of your computerThat use a DisplayPort connector Component locations Locating componentsSystem board part locations Locating parts on the system boardMachine type and model label Locating internal drivesMachine type and model label ThinkStation User Guide You and your computer Accessibility and comfortArranging your workspace ComfortGlare and lighting Air circulationElectrical outlets and cable lengths Replacement power cords Voltage-selection switchRegister your computer with Lenovo Moving your computer to another country or regionThinkStation User Guide Security Security featuresLocking the computer cover Installing a padlockUsing passwords Bios passwordsAttaching an integrated cable lock Configuring the fingerprint reader Windows passwordsUsing and understanding firewalls Protecting data against virusesSecurity ThinkStation User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving the computer cover Removing the computer coverInstalling or replacing a PCI card Removing and reinstalling the front bezelOpening the PCI card latch Removing a PCI card Installing a PCI card Installing or replacing a memory moduleRemoving a memory module Installing a memory module Installing or replacing the optical driveRemoving the optical drive Replacing the card reader Installing the optical driveRemoving the card reader Replacing the power supply assembly Removing the screws for the power supply assembly Replacing the heat sink and fan assembly Removing the heat sink and fan assembly Removing the primary hard disk drive Replacing the primary hard disk driveInstalling the hard disk drive into the bracket Replacing the secondary hard disk drive Installing the primary hard disk driveRemoving the secondary hard disk drive Installing the secondary hard disk drive Replacing the front fan assemblyRemoving the front fan assembly Installing the front fan assembly Replacing the rear fan assemblyRemoving the rear fan assembly Replacing the keyboard or mouse Installing the rear fan assemblyConnecting the USB keyboard or mouse Completing the parts replacementObtaining device drivers Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Using the Rescue and Recovery workspace Performing a recovery operationCreating and using a rescue medium Using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications Reinstalling preinstalled applications and device driversReinstalling software programs Reinstalling device driversSolving recovery problems Recovery information ThinkStation User Guide Starting the Setup Utility program Using the Setup Utility programViewing and changing settings Password considerationsAdministrator Password Power-On PasswordHard Disk Password Setting, changing, and deleting a passwordEnabling or disabling a device Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequence Enabling ErP compliance modeSmart performance choices Exiting the Setup Utility programThinkStation User Guide Configuring RAID Creating RAID volumesRAID Level Resetting disks to non-RAID Deleting RAID volumesUsing system programs Updating flashing the Bios from a discUpdating system programs Recovering from a POST/BIOS update failure Updating flashing the Bios from your operating systemBasic troubleshooting Troubleshooting and diagnosticsLenovo Solution Center Diagnostic programsPC-Doctor for DOS Lenovo ThinkVantage ToolboxCleaning an optical mouse Lenovo DiagnosticsGetting information, help, and service Using the documentation and diagnostic programs Help and serviceCalling for service Lenovo Support Web sitePurchasing additional services Using other servicesThinkStation User Guide Appendix A. Notices Trademarks Export classification notice Appendix B. Regulatory informationTelevision output notice Electronic emissions noticesIndustry Canada Class B emission compliance statement Additional regulatory information ThinkStation User Guide Appendix C. Weee and recycling information Important Weee InformationRecycling information Recycling information for Brazil Battery recycling information for TaiwanBattery recycling information for the European Union ThinkStation User Guide Ukraine RoHS China RoHS Turkish RoHSIndia RoHS CRU IndexSetting, changing, deleting Page ThinkStation User Guide Page 1P0A74582
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7821, 7783, 7823, 7824, 7782 specifications

Lenovo has been a frontrunner in the technology sector, consistently pushing the boundaries of innovation with its diverse range of products. Among them, devices like the Lenovo 7821, 7783, 7824, 7782, and 7823 have garnered attention for their robust features, cutting-edge technologies, and versatile characteristics that cater to both casual users and professionals alike.

The Lenovo 7821 is designed with an emphasis on performance and portability. It boasts an impressive battery life, ensuring that users can remain productive without constant recharging. The integration of Intel’s latest processors enables seamless multitasking, allowing users to run multiple applications simultaneously without a hitch. Additionally, the 7821’s high-resolution display provides vibrant visuals, making it ideal for content consumption as well as productivity tasks.

Moving on to the Lenovo 7783, this model stands out for its advanced security features. With a fingerprint scanner and advanced facial recognition technology, users can be assured that their data is secure. The device also offers extensive connectivity options, including advanced Wi-Fi 6 capabilities, ensuring fast and reliable internet access. The sleek design combined with powerful internal specifications makes the 7783 a favorite among business professionals.

The Lenovo 7824 takes usability to the next level with its convertible design. Functioning both as a laptop and a tablet, it can easily adapt to different working environments and tasks. The 7824 is equipped with a stylus for natural handwriting input, making it a great choice for creatives and professionals who rely on sketching or note-taking for their work.

The Lenovo 7782 is focused on entertainment, sporting a superior audio system and vivid display. Whether users are streaming movies or playing video games, the immersive sound quality and visual clarity enhance the overall experience. This model also features high storage capacity options, allowing users to store large libraries of media without concern.

Lastly, the Lenovo 7823 excels in sustainability. With a design that incorporates recycled materials, this device prioritizes eco-friendliness while still delivering high performance. Users can enjoy a powerful computing experience with the peace of mind that they're contributing to environmental conservation.

In summary, the Lenovo 7821, 7783, 7824, 7782, and 7823 embody a blend of innovation, performance, and user-centric features. Each model presents unique characteristics that cater to different needs, whether it's for professional use, creative tasks, security, or entertainment. Lenovo continues to lead by example, focusing not just on cutting-edge technology but also on the overall user experience.
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