Lenovo 7824, 7782, 7823, 7783, 7821 manual Removing the computer cover

Page 36

Removing the computer cover

Attention:

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page iii.

This section provides instructions on how to remove the computer cover.

CAUTION:

Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover.

To remove the computer cover, do the following:

1.Remove any media from the drives and turn off all attached devices and the computer.

2.Disconnect all power cords from electrical outlets.

3.Disconnect the power cords, Input/Output cables, and any other cables that are connected to the computer. See “Locating connectors, controls, and indicators on the front of your computer” on page 7 and “Locating connectors on the rear of your computer” on page 8.

4.Remove any locking device that secures the computer cover, such as a padlock or an integrated cable lock. See “Locking the computer cover” on page 20 and “Attaching an integrated cable lock” on page 21.

5.Remove any screws that secure the computer cover.

6.Press the cover-release button on the side of the computer and slide the cover to the rear of the computer to remove the cover.

Figure 9. Removing the computer cover

26ThinkStation User Guide

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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 Power cords and power adapters Extension cords and related devicesPlugs and outlets External devicesHeat and product ventilation Modem safety information Operating environmentPower supply statement Cleaning and maintenanceLaser compliance statement Viii ThinkStation User Guide Features Product overviewConnectivity Power supply Specifications DimensionsSoftware overview Software provided by LenovoAdobe Reader Antivirus software LocationsFront connector, control, and indicator locations Locating connectors on the rear of your computer Connector DescriptionThat use a DisplayPort connector Locating components Component locationsLocating parts on the system board System board part locationsLocating internal drives Machine type and model labelMachine type and model label ThinkStation User Guide Accessibility and comfort You and your computerArranging your workspace ComfortGlare and lighting Air circulationElectrical outlets and cable lengths Voltage-selection switch Replacement power cordsRegister your computer with Lenovo Moving your computer to another country or regionThinkStation User Guide Security features SecurityInstalling a padlock Locking the computer coverUsing passwords Bios passwordsAttaching an integrated cable lock Windows passwords Configuring the fingerprint readerUsing 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 coverRemoving and reinstalling the front bezel Installing or replacing a PCI cardOpening the PCI card latch Removing a PCI card Installing or replacing a memory module Installing a PCI cardRemoving a memory module Installing or replacing the optical drive Installing a memory moduleRemoving the optical drive Installing the optical drive Replacing the card readerRemoving 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 Replacing the primary hard disk drive Removing the primary hard disk driveInstalling the hard disk drive into the bracket Installing the primary hard disk drive Replacing the secondary hard disk driveRemoving the secondary hard disk drive Replacing the front fan assembly Installing the secondary hard disk driveRemoving the front fan assembly Replacing the rear fan assembly Installing the front fan assemblyRemoving the rear fan assembly Installing the rear fan assembly Replacing the keyboard or mouseCompleting the parts replacement Connecting the USB keyboard or mouseObtaining device drivers Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspaceCreating and using a rescue medium Using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications and device drivers Reinstalling preinstalled applicationsReinstalling software programs Reinstalling device driversSolving recovery problems Recovery information ThinkStation User Guide Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Password considerationsPower-On Password Administrator PasswordHard Disk Password Setting, changing, and deleting a passwordEnabling or disabling a device Selecting a startup deviceSelecting a temporary startup device Enabling ErP compliance mode Selecting or changing the startup device sequenceExiting the Setup Utility program Smart performance choicesThinkStation User Guide Configuring RAID Creating RAID volumesRAID Level Deleting RAID volumes Resetting disks to non-RAIDUsing system programs Updating flashing the Bios from a discUpdating system programs Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureTroubleshooting and diagnostics Basic troubleshootingDiagnostic programs Lenovo Solution CenterLenovo ThinkVantage Toolbox PC-Doctor for DOSLenovo Diagnostics Cleaning an optical mouseGetting information, help, and service Help and service Using the documentation and diagnostic programsCalling for service Lenovo Support Web siteUsing other services Purchasing additional servicesThinkStation User Guide Appendix A. Notices Trademarks Appendix B. Regulatory information Export classification noticeTelevision 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 Battery recycling information for Taiwan Recycling information for BrazilBattery recycling information for the European Union ThinkStation User Guide China RoHS Turkish RoHS Ukraine RoHSIndia RoHS Index CRUSetting, 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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