Contents Overview ..................1 Chapter 1 Locations ..............5 Locating components and connectors ...........5 Identifying parts on the system board ..........9 Chapter 2 Replacing hardware ..........11 General information ..............11 Removing the computer cover .............11 Removing the front bezel .............13 Replacing a memory module ............14 Replacing the hard disk drive ............15 Replacing an optical drive ............16...
Do not open your computer or attempt any repairs before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer. An electronic copy of the Safety and Warranty Guide can also be obtained online from the Lenovo® Support Web site at: http://consumersupport.lenovo.com. Hardware Replacement Guide...
Additional information resources The most up-to-date information for your computer is available online at: http://consumersupport.lenovo.com. You can find the following information: • CRU removal and installation • Publications • Troubleshooting • Parts • Links to other useful sources of information...
Page 6
• Always handle parts and other computer components with care, including handling adapters, memory modules, system boards, and microprocessors by their edges. Never touch any exposed circuitry. • Prevent others from touching the parts and other computer components. • Before replacing a new part, first place the antistatic packaging containing the part against a metal expansion slot cover or other unpainted metal surface on the computer for at least two seconds.
Locations Chapter This chapter provides illustrations to help you locate the various connectors, controls and components in your computer. To remove the computer cover, refer to the section in this manual entitled “Removing the computer cover”. Locating components and connectors The following illustrations will help you to locate the various components and connectors in your computer.
Power supply PCI Express adapter card System fan Memory modules Microprocessor fan and heat sink Hard disk drive PCI Express adapter connector Optical drive Front view The two following illustrations show the location of the connectors on the front of the computer.
Page 10
Optical drive (some models are equipped with only one optical drive) Power dial switch Power button Headphone connector USB connector Memory card reader Microphone connector Optical drive Hardware Replacement Guide...
Rear view The following illustration shows the location of the connectors on the rear of the computer. Voltage selection switch (selected models only) Power connector PS/2 keyboard connector PS/2 mouse connector USB connectors (7) Ethernet connector 7.1 Audio connectors (6) On-board VGA connector (selected models only) HDMI port (2) Hardware Replacement Guide...
Identifying parts on the system board The system board (also known as the “mainboard” or “motherboard”) is the main circuit board in your computer. It provides basic computer functions and supports a variety of devices that are factory-installed or that you can install later. The following illustration shows the locations of the different parts on the system board.
Page 13
Power fan connector Front panel connector Front USB connectors (3) Serial (com2) connector Front audio connectors PCI Express X 16 graphics adapter connector PCI Express X 1 adapter connectors (2) PCI Express X 16 graphics adapter connector System fan connector 12V power connector Hardware Replacement Guide...
Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at http://consumersupport.lenovo.com. Note: Use only parts provided by Lenovo.
Page 15
3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Locating connectors on the rear of the computer”. 4. Remove the two screws that secure the computer cover at the rear of the chassis.
Removing the front bezel To remove the front bezel: 1. Remove the computer cover. Refer to “Removing the computer cover”. Note: For this procedure, it helps to lay the computer on its side. 2. Remove the front bezel by releasing the three plastic tabs inside the chassis and push the bezel outward as shown.
Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at http://consumersupport.lenovo.com. To replace a memory module: 1. Remove the computer cover. Refer to “Removing the computer cover”.
Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at http://consumersupport.lenovo.com. To replace the hard disk drive: 1. Remove the computer cover. Refer to “Removing the computer cover”.
Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at http://consumersupport.lenovo.com To replace an optical drive 1. Remove the computer cover. Refer to “Removing the computer cover”.
Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at http://consumersupport.lenovo.com To replace the system fan assembly: 1. Remove the computer cover. Refer to “Removing the computer cover”.
Page 21
4. Pull the system fan assembly out of chassis. Hardware Replacement Guide...
Page 22
5. Install the new system fan assembly by aligning the rubber mounts of the system fan assembly with the holes on the chassis and push the rubber mounts through the holes. 6. Pull on the tips of the rubber mounts until the fan assembly is in place. 7.
Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at: http://consumersupport.lenovo.com To replace the heat sink assembly: 1. Remove the computer cover. Refer to “Removing the computer cover”.
Page 24
7. Use the thermal grease syringe to place five drops of grease on the top of the microprocessor. Each drop of grease should be 0.03ml (3 tick marks on the grease syringe). 8. Install the new heat sink and fan assembly on the heat sink retention bracket. 9.
Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at: http://consumersupport.lenovo.com To replace an adapter: 1. Remove the computer cover. Refer to “Removing the computer cover”.
Page 26
3. Install the new adapter into the same adapter connector. 4. Ensure that the new adapter is fully seated into the adapter connector. 5. At the rear of the computer, turn the adapter latch to the closed position to secure the adapter. 6.
Page 27
Note 1: Replacement of some models equipped with graphic adapter bracket is different. Please remove the plastic bracket first as the following: 1. Remove the two screws that secure the plastic bracket at the bottom of the chassis. 2. Lift the plastic bracket out of the chassis. 3.
Page 28
1. Install the plastic bracket into the chassis so that the screw holes in the plastic bracket align with those in the chassis. Let the slot on the plastic bracket to clip onto the adapter. 2. Fit the two screws to secure the plastic bracket. Note: Use only screws provided by Lenovo. Hardware Replacement Guide...
Page 29
Note 2: Replacement of some models equipped with graphic adapter bracket is different. Please remove the bracket first as the following: 1. Remove the screw that secures the bracket at the side of the chassis. 2. Press the pin on one end of the metal bracket and pull the metal bracket straight out of the chassis.
Page 30
1. Install the metal bracket into the chassis so that the screw hole in the metal bracket aligns with the hole in the chassis. Let the slot on the metal bracket clip the adapter. 2. Screw back the screws on the metal bracket. Note: Use only the screw provided by Lenovo. Hardware Replacement Guide...
Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at http://consumersupport.lenovo.com To replace an CPU 1. Remove the computer cover. Refer to “Removing the computer cover”.
Page 32
6. Lift the microprocessor straight up and out of the socket. Notes: a. Note the orientation of the notches on the microprocessor. This is important when reinstalling the microprocessor on the new system board. b. Do not drop anything onto the microprocessor socket while it is exposed.
Page 33
9. Holding the microprocessor with your fingers, position the microprocessor so that the notches on the microprocessor are aligned with the tabs in the microprocessor socket. Important: To avoid damaging the microprocessor contacts, do not tilt the microprocessor when installing it into the socket. 10.
Replacing the keyboard To replace the keyboard: 1. Remove any media (disket, CDs, or memory cards) from the drives, shut down the computer, and turn off all attached devices. 2. Unplug all power cords from electrical outlets. 3. Locate the connector for the keyboard. Refer to “Locating connectors on the rear of the computer”...
Replacing the mouse To replace the mouse: 1. Remove any media (diskettes, CDs, or memory cards) from the drives, shut down the computer, and turn off all attached devices. 2. Unplug all power cords from electrical outlets. 3. Locate the connector for the mouse. Refer to “Locating connectors on the front of the computer”...
Replacing the external speaker 1. Remove any media (diskettes, CDs, or memory cards) from the drives, shut down the computer, and turn off all attached devices. 2. Unplug all power cords from electrical outlets. 3. Locate the Speaker. Refer to “Locating connectors on the rear of the computer”...
Page 37
5. To update your configuration settings, refer to “Starting the Setup Utility” in the Hardware Maintenance Manual. Note: In most areas of the world, Lenovo requires the return of the defective CRU. Information about this will either come with the CRU or will arrive a few days after the CRU has been delivered.
Thank you for using Lenovo products. Carefully read all documents shipped with your computer before you install and use the product for the first time. Lenovo is not responsible for any loss except when caused by installation and operations performed by Lenovo professional service personnel.
Phenom, AMD Sempron, Catalyst, Cool ‘n’ Quiet, CrossFire, PowerPlay, Radeon, and The Ultimate Visual Experience are trademarks of Advanced Micro Devices, Inc. Other company, product, or service names referred to herein or in other Lenovo publications may be trademarks or service marks of others. All rights reserved.