Contents Overview Front view 3 Rear view 4 System board 6 Machine type and model label 7 Locking the computer 8 Specifications 9 Replacing hardware Before replacing hardware 10 Handling static-sensitive devices 11 Understanding replaceable parts 12 Replacing customer-replaceable units (CRUs) Before replacing CRUs 13 Replacing CRUs Removing the computer cover 17...
Overview Rear view Note Your computer model might look slightly different from the illustration. Wi-Fi antenna slot Used to install the rear Wi-Fi antenna cable connector that is optional. The rear Wi-Fi antenna is installed on the rear Wi-Fi antenna cable connector. Padlock loop Used to secure a padlock.
Machine type and model label The machine type and model label identifies the computer. When you contact Lenovo for help, the machine type and model information helps support technicians to identify the computer and provide faster service. The machine type and model label is attached on the side of the computer as shown.
The cable lock also locks the buttons used to open the computer cover. This is the same type of lock used with many notebook computers. You can order such a cable lock directly from Lenovo by searching for Kensington at: http://www.lenovo.com/support.
In most areas of the world, Lenovo requires the return of defective CRUs (Customer Replaceable Units). Information about this will come with the CRU or will come a few days after the CRU arrives.
CRU. Optional-service CRUs can be removed and installed by users or, during the warranty period, by a Lenovo service technician. Field-Replaceable Units (FRUs) FRUs are computer parts that a trained technician can upgrade or replace.
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Replacing a memory module 37 Replacing the coin-cell battery 39 Replacing the Wi-Fi card 41 Note To replace a component that is not in the list above, contact a Lenovo service technician. The support phone numbers are available at: http://www.lenovo.com/support/phone...
Replacing CRUs Replacing the power adapter Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide. Remove any media from the drives and turn off all connected devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
Replacing CRUs Replacing the external optical drive Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide. Remove any media from the drives and turn off all connected devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
Replacing CRUs Replacing the I/O box Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide. Remove any media from the drives and turn off all connected devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
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Connect the cable of the new internal speaker to the internal speaker connector on the system board. Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
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Notes The green LED indicates that the mouse is ready for use. The flashing amber LED indicates a low battery power level. Push the power switch to the off position when you are not using the mouse to extend the battery life.
Replacing CRUs Replacing the system fan Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide. Remove any media from the drives and turn off all connected devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
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Replace the 2.5-inch storage drive. Reinstall the storage drive bracket. Reinstall the computer cover and reconnect the cables. For details, see Completing the parts replacement.
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Reinstall the removed parts and computer cover, and then reconnect the cables. For details, Completing the parts replacement. To dispose of the coin-cell battery, refer to the “Lithium coin-cell battery notice” topic in the Safety and Warranty Guide.
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Install the screw to secure the computer cover. If a locking device is available, use it to lock the computer. Reconnect the external cables and power cords to the corresponding connectors on the computer.
Replace an FRU only with another FRU of the correct model. When you replace an FRU, ensure that the model of the machine and the FRU part number are correct by referring to the website: http://www.lenovo.com/serviceparts-lookup An FRU should not be replaced because of a single, unreproducible failure.
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Replacing FRUs Replacing the internal speaker holder Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide. Remove any media from the drives and turn off all connected devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
Replacing FRUs Replacing the front Wi-Fi antenna Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide. Remove any media from the drives and turn off all connected devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
Replacing FRUs Replacing the rear Wi-Fi antenna Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide. Remove any media from the drives and turn off all connected devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
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Replace the system board. Note Carefully handle the system board by its edges. Route all the cables that you disconnected from the failing system board, and then reconnect the cables to the new system board. For details, see System board. Reinstall the removed parts and computer cover, and then reconnect the cables.
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Install the screw to secure the computer cover. If a locking device is available, use it to lock the computer. Reconnect the external cables and power cords to the corresponding connectors on the computer.
Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
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Trademarks The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo The Lenovo logo ThinkCentre ThinkCentre logo DisplayPort and VESA are trademarks of the Video Electronics Standards Association. Other company, product, or service names may be trademarks or service marks of others.
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