Lenovo K430, K410 manual Replacing the keyboard and mouse, Removing the computer cover

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Replacing the keyboard and mouse

Note: Your keyboard will be connected to a USB connector at either front or at the rear of the computer.

To replace the keyboard:

Step 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the computer, and turn off all attached devices.

Step 2. Unplug all power cords from electrical outlets.

Step 3. Locate the connector for the keyboard. Refer to “Front view of the chassis” and “Rear view of the chassis”.

Step 4. Disconnect the defective keyboard cable from the computer and connect the new keyboard cable to the same connector.

Step 5. The mouse can be replaced using the same method.

Removing the computer cover

Attention:

Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.

For this procedure, it helps to lay the computer on a flat, stable surface.

To remove the computer cover:

Step 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the computer, and turn off all attached devices.

Step 2. Unplug all power cords from electrical outlets.

Step 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”.

Step 4. Remove the two screws that secure the computer cover at the rear of the chassis.

26IdeaCentre K430/K410Hardware Maintenance Manual

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Contents IdeaCentre K430/K410 Hardware Maintenance Manual Page IdeaCentre K430/K410 Hardware Maintenance Manual Page Contents Iv IdeaCentre K430/K410Hardware Maintenance Manual Important Safety Information About this manualIdeaCentre K430/K410Hardware Maintenance Manual Electrical safety Safety informationGeneral safety IdeaCentre K430/K410Hardware Maintenance Manual Safety inspection guide Handling electrostatic discharge-sensitive devicesSafety notices Grounding requirementsDo not To Connect To Disconnect≥18 kg37 lbs ≥32 kg70.5 lbs ≥55 kg121.2 lbs Specifications General informationType IdeaCentre K430 & K410 EnvironmentIdeaCentre K430/K410Hardware Maintenance Manual General Checkout IdeaCentre K430/K410Hardware Maintenance Manual Using the Setup Utility Starting the Lenovo Bios Setup Utility programViewing and changing settings Using passwordsSetting, changing, or deleting a Power-On Password Administrator PasswordSetting, changing, or deleting an Administrator password Enabling or disabling a device Select Save changes and Exit from the menuSelecting or changing the startup device sequence Selecting a startup deviceSelecting a temporary startup device Exiting the Lenovo Bios Setup Utility program IdeaCentre K430/K410Hardware Maintenance Manual Symptom-to-FRU Index Hard disk drive boot errorPower Supply Problems Error FRU/ActionPost Error Message Description/Action Post error codesUndetermined problems Identifying parts on the system board LocationsIdentifying internal components IdeaCentre K430/K410Hardware Maintenance Manual Thermal sensor header connector Power connector Battery IdeaCentre K430/K410Hardware Maintenance Manual General information General information Pre-disassembly instructionsReplacing hardware Replacing the keyboard and mouse Removing the computer coverTo replace the keyboard To remove the computer coverRemoving the front bezel To remove the front bezelReplacing a memory module To replace a memory moduleReplacing a hard disk drive To replace a hard disk driveReplacing an optical drive To replace an optical driveReplacing a graphics card To replace a graphics cardIdeaCentre K430/K410Hardware Maintenance Manual Replacing the TV-Tuner card To replace the TV-Tuner card Replacing the Power supply Replacing the microprocessor fanReplacing the heat-sink Replacing the CPU IdeaCentre K430/K410Hardware Maintenance Manual Replacing the Wi-Fi card Replacing the motherboard FRU lists Description Lenovo P/N ProcessorMotherboard Heat SinkHMT41GU6MFR8CPB 8GB D31600RAMHF Hard Disk Drive Portable Hard Disk DriveOptical Drive Graphic CardPower Supply Wi-Fi CardRemote Control TV-Tunner CardSpeaker CablesMonitor Chassis Keyboard & MouseIdeaCentre K430/K410Hardware Maintenance Manual Replacing hardware IdeaCentre K430/K410Hardware Maintenance Manual Additional Service Information Power managementAdvanced configuration and power interface Acpi Bios Automatic Power-On features