Lenovo 3219, 3029, 3054, 3282, 5498, 5474, 5384, 5554, 5450, 3652, 3544 Removing the old internal speaker

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2.Remove the computer cover. See “Removing the computer cover” on page 14.

3.Locate the internal speaker connector on the system board. See “Locating parts on the system board” on page 10.

4.Disconnect the internal speaker cable from the system board.

5.Push the metal tab 1 on the top of the internal speaker outward and slide the internal speaker upward to completely remove it from the chassis.

Figure 33. Removing the old internal speaker

6.Position the new internal speaker into the four metal clips until it is secured in place.

1

and push downward on the internal speaker

36ThinkCentre User Guide

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Contents ThinkCentre User Guide Page ThinkCentre User Guide First Edition October Copyright Lenovo Contents Appendix A. Notices Important safety information Viii ThinkCentre User Guide Features Product overviewInput/Output I/O features Specifications Preinstalled software programsSoftware overview Software provided by LenovoThinkVantage Productivity Center Antivirus software Locations Locating connectors on the front of your computerAdobe Reader Locating connectors on the rear of your computer Front connector locationsUSB connectors Locating components Component locationsLocating parts on the system board System board parts locationsLocating internal drives Drive bay locationsThinkCentre 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 What to do nextOpen the retaining clips Installing or replacing the optical drive Installing a memory moduleRemoving the optical drive Replacing the battery Installing the optical driveInstall a new battery Replacing the power supply assembly Removing the screws for the power supply assemblyReplacing the heat sink and fan assembly Removing the heat sink and fan assembly Replacing the primary hard disk driveRemoving the primary hard disk drive Installing the hard disk drive into the bracket Replacing the secondary hard disk drive Removing the secondary hard disk driveInstalling the secondary hard disk drive Replacing the front fan assembly Removing the front fan assemblyReplacing the rear fan assembly Installing the front fan assemblyRemoving the rear fan assembly Replacing the front audio and USB assembly Installing the rear fan assemblyReplacing the internal speaker Removing the old internal speaker Installing a new internal speaker Replacing the keyboard or mouseCompleting the parts replacement Connecting the USB keyboard or mouseInstalling security features Integrated cable lockPadlock Integrated cable lockPassword protection Erasing lost or forgotten passwords clearing CmosThinkCentre User Guide Creating recovery media Recovery informationCreating and using recovery media Performing a backup operation Using recovery mediaPerforming backup and recovery operations Performing a recovery operation Using the Rescue and Recovery workspaceCreating and using a rescue medium Creating a rescue mediumUsing a rescue medium Installing or reinstalling device driversSolving recovery problems Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Using passwordsPower-On Password Administrator PasswordHard Disk Password Setting, changing, and deleting a passwordExiting from the Setup Utility program Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequenceThinkCentre User Guide Updating system programs Using system programsUpdating flashing the Bios from a disc Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureTroubleshooting and diagnostics Basic troubleshootingDiagnostic programs Lenovo ThinkVantage ToolboxPC-Doctor for Rescue and Recovery PC-Doctor for DOSCleaning an optical mouse Getting information, help, and service Information resourcesOnline Books folder Lenovo ThinkVantage ToolsLenovo Welcome Access HelpSafety and Warranty Calling for service Help and serviceUsing the documentation and diagnostic programs Using other services Purchasing additional servicesAppendix A. Notices Television output notice European conformance CE mark TrademarksIndex CRUMemory module PCI card Security features Page ThinkCentre User Guide Page 71Y7146

3139, 3652, 5474, 3219, 5498 specifications

Lenovo offers an impressive lineup of laptops that cater to a variety of users, with models like the Lenovo 3544, 5384, 3421, 3282, and 5450 standing out due to their unique features, technologies, and characteristics.

The Lenovo 3544 is designed for entry-level users and comes equipped with an AMD A6 processor, making it ideal for everyday tasks such as web browsing, document editing, and media consumption. With its 15.6-inch HD display, users can enjoy vibrant visuals, enhancing their viewing experience. The device also features integrated AMD Radeon graphics, providing decent performance for casual gaming and multimedia tasks. The laptop is lightweight and portable, making it suitable for students and professionals who need a reliable machine on the go.

Next, we have the Lenovo 5384, which is targeted at business professionals. This model boasts an Intel Core i5 processor, allowing for enhanced multitasking capabilities and performance. Its 14-inch FHD display presents sharp, clear images, making it ideal for presentations and conference calls. The laptop also offers excellent battery life, ensuring that professionals can work through their day without needing to search for an outlet. Additionally, it features robust security options, like a fingerprint reader and TPM (Trusted Platform Module), ensuring sensitive data remains protected.

The Lenovo 3421 model brings together versatility and performance. It features an Intel Core i7 processor paired with 16GB of RAM, catering to those who require higher performance for graphics-intensive tasks, such as video editing or software development. Its large storage options, including SSD and HDD combinations, provide ample space for applications and files. The 15.6-inch display provides a rich visual experience, while the backlit keyboard adds convenience for late-night work sessions.

The Lenovo 3282 model stands out for its lightweight design and longevity. An Intel Pentium processor powers this slim device, making it energy-efficient and perfect for casual users who prioritize portability. The full-sized keyboard ensures comfortable typing, while the bright, vibrant display contributes to an enjoyable user experience.

Finally, the Lenovo 5450 is a power-packed laptop that combines performance and portability. It features a Ryzen 7 processor, offering significant capabilities for both gaming and demanding applications. The device is equipped with a 15.6-inch Full HD display and discrete graphics options, ensuring smooth performance for gamers. The laptop also supports fast charging technology, which is particularly appealing to users with busy lifestyles.

In summary, Lenovo’s models—3544, 5384, 3421, 3282, and 5450—showcase a diverse range of features suited for various needs, from basic tasks to demanding applications. Each model incorporates advanced technology to ensure users enjoy a reliable and efficient computing experience.
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