Lenovo 7258, 3063, 3285, 6138, 7347, 7639, 8854, 9728, 8494, 7635 Removing the heat sink and fan assembly

Page 37

5.Remove the four screws 1 that secure the heat sink and fan assembly to the system board.

Note: Carefully remove the four screws from the system board to avoid any possible damage to the system board. The four screws cannot be removed from the heat sink and fan assembly.

Figure 20. Removing the heat sink and fan assembly

6.Lift the failing heat sink and fan assembly off the system board.

Notes:

a.You might have to gently twist the heat sink and fan assembly to free it from the microprocessor.

b.Do not touch the thermal grease while handling the heat sink and fan assembly.

7.Position the new heat sink and fan assembly on the system board so that the four screws are aligned with the holes on the system board.

Note: Position the new heat sink and fan assembly so that the heat sink and fan assembly cable is toward the microprocessor fan connector on the system board.

8.Alternate tightening each screw a small and equal amount until the heat sink and fan assembly is secured to the system board. Do not over-tighten the screws.

9.Connect the heat sink and fan assembly cable to the microprocessor fan connector on the system board.

10.Go to “Completing the parts replacement” on page 45.

Chapter 2. Installing options and replacing hardware 29

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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 Installing options and replacing hardware Installing options and replacing hardwareHandling static-sensitive devices 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 lockErasing lost or forgotten passwords clearing Cmos Password protectionPadlock 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 Starting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwordsPower-On Password Password considerationsPrivileged Access Password Hard Disk User PasswordSelecting a startup device Enabling or disabling a deviceSelecting a temporary startup device Exiting from the Setup Utility program Advanced settingsSelecting or changing the startup device sequence Updating flashing Bios from a disc Using system programsUpdating system programs Recovering from a POST/BIOS update failure Updating flashing Bios from your operating systemUpdating system programs User Guide Basic troubleshooting Troubleshooting and diagnosticsSymptom Action Lenovo System Toolbox Diagnostic programsPC-Doctor for Windows PE PC-Doctor for DOS Cleaning the mouseOptical mouse Non-optical mouse User Guide Information resources Getting information, help, and serviceOnline Books folder ThinkVantage Productivity CenterSafety and Warranty Access HelpLenovo Welcome Using the documentation and diagnostic programs Help and serviceCalling for service 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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