Lenovo 7484, 3063, 3285, 6138, 7347, 7639, 8854, 9728, 8494, 75717628 Replacing the power supply assembly

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7.Use the Setup Utility program to set the date, time, and any passwords. See Chapter 4, “Using the Setup Utility,” on page 59.

Replacing the power supply assembly

Attention

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support

This section provides instructions on how to replace the power supply assembly.

To replace the power supply assembly:

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

2.Disconnect the power supply assembly cables from the system board and all drives. See “Locating parts on the system board” on page 11.

3.Lay the computer on its side and remove the four screws at the rear of the chassis that secure the power supply assembly.

Figure 19. Removing the retaining screws for the power supply assembly

4.Remove the old power supply assembly from the chassis.

5.Ensure that the new power supply assembly is the correct replacement. If your new power supply assembly has a voltage-selection switch, ensure that you set the voltage-selection switch to match the voltage available at your electrical outlet. If necessary, use a ballpoint pen to slide the voltage-selection switch to a different position.

vIf the voltage supply range in your local country or region is 100–127 V AC, set the switch to 115 V.

vIf the voltage supply range in your local country or region is 200–240 V AC, set the switch to 230 V.

Chapter 2. Installing options and replacing hardware 27

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Contents Page Page ThinkCentre User Guide Page Contents Iv User Guide Important safety information Vi User Guide Product overview FeaturesConnectivity Power Environment SpecificationsSoftware provided with your Windows operating system Software overviewPC-Doctor for Windows PE Front connector locations Locations Locating connectors on the front of your computerRear connector locations Locating connectors on the rear of your computerConnector Description Component locations Locating componentsShows the location of the parts on the system board Locating parts on the system boardUser Guide Handling static-sensitive devices Installing options and replacing hardwareInstalling options and replacing hardware Removing the computer cover Installing external optionsRemoving the computer cover Removing and installing the front bezelInstalling or replacing an adapter card Installing internal optionsOpening the adapter card latch What to do next Installing or replacing a memory module Installing internal drives Installing options and replacing hardware Shows the location of the drive bays Installing a drive in bay 1 or bay Installing the retainer Connecting a Sata drive Removing the old battery Replacing the batteryRemoving the retaining screws for the power supply assembly Replacing the power supply assemblyReplacing 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 primary hard disk drive into the bracket Replacing the secondary hard disk drive Removing the secondary hard disk drive Installing the secondary hard disk drive into the bracket Replacing the optical drive Installing the secondary hard disk drive and drive cageRemoving the optical drive Removing the diskette drive Replacing the diskette driveRetainer for diskette drive Removing the front fan assembly Replacing the front fan assemblyInstalling the front fan assembly Replacing the rear fan assemblyRemoving the rear fan assembly Replacing the internal speaker Installing the rear fan assemblyRemoving the old internal speaker Replacing the keyboard Keyboard connectorsReplacing the mouse Completing the parts replacementReinstalling the computer cover Installing security featuresIntegrated cable lock Integrated cable lockPadlock Password protectionErasing lost or forgotten passwords clearing Cmos Installing options and replacing hardware User Guide Creating and using Product Recovery discs Recovery informationPerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media To use rescue media, do one of 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 Using passwords Using the Setup UtilityStarting the Setup Utility program Viewing and changing settingsHard Disk User Password Password considerationsPower-On Password Privileged Access PasswordSelecting a temporary startup device Enabling or disabling a deviceSelecting a startup device Selecting or changing the startup device sequence Advanced settingsExiting from the Setup Utility program Updating system programs Using system programsUpdating flashing Bios from a disc Recovering from a POST/BIOS update failure Updating flashing Bios from your operating systemUpdating system programs User Guide Basic troubleshooting Troubleshooting and diagnosticsSymptom Action PC-Doctor for Windows PE Diagnostic programsLenovo System Toolbox Optical mouse Cleaning the mousePC-Doctor for DOS Non-optical mouse User Guide ThinkVantage Productivity Center Getting information, help, and serviceInformation resources Online Books folderLenovo Welcome Access HelpSafety and Warranty Calling for service Help and serviceUsing the documentation and diagnostic programs Purchasing additional services Using other servicesAppendix. Notices Trademarks Television output noticeCRU IndexPage Settings User Guide Page Part Number 53Y9906

7188, 6209, 7635, 7258, 7373 specifications

Lenovo has established itself as a key player in the technology sector, known for its innovative solutions and robust product lineup. Among its myriad offerings, the Lenovo 9728, 7628, 7484, 6302, and 7144 stand out due to their remarkable features, advanced technologies, and distinct characteristics that cater to both professional and personal needs.

Starting with the Lenovo 9728, this model is distinguished by its high-performance capabilities, equipped with a powerful processor that ensures seamless multitasking and efficient performance. It comes with a vivid display that enhances visual clarity, making it ideal for graphic-intensive tasks like video editing and gaming. The long-lasting battery life guarantees that users can rely on it for extended periods without worrying about frequent recharging.

Next is the Lenovo 7628, designed with portability in mind. This laptop is lightweight and ultra-slim, making it convenient for users on the go. It features robust connectivity options, including USB-C and HDMI ports, allowing users to connect to various peripherals effortlessly. The Lenovo 7628 also emphasizes security, incorporating features such as a fingerprint reader to ensure that sensitive data remains protected.

Turning to the Lenovo 7484, this model caters to business professionals. It is equipped with advanced collaboration tools, facilitating seamless communication among teams, regardless of location. With a high-definition camera and superior audio technology, video conferencing becomes more effective. The Lenovo 7484 also offers a rugged design, ensuring that it can withstand the rigors of daily travel.

The Lenovo 6302 is another noteworthy model, featuring an impressive display that presents vibrant colors and sharp images, perfect for content consumption. Additionally, it supports stylus input, making it an excellent choice for creatives and designers who appreciate the ability to sketch or take notes directly on the screen.

Finally, the Lenovo 7144 combines performance with sleek aesthetics. This model features a backlit keyboard, enhancing productivity in low-light conditions. With fast charging capabilities and optimized thermal management, the Lenovo 7144 ensures that users can enjoy peak performance without overheating issues.

In conclusion, Lenovo’s offerings, including the 9728, 7628, 7484, 6302, and 7144, showcase a blend of performance, portability, security, and innovative design. These laptops cater to a diverse range of users, providing solutions that meet the demands of modern life while promoting efficiency and creativity.
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