Lenovo 3143 Replacing the keyboard, Replacing the mouse, What to do next, Keyboard connectors

Models: 3140 3176 3157 3134 3132 3154 3143 3147 3171 3167 5033 5039 7339

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Replacing the keyboard

10.Connect the new system fan assembly cable to the system fan connector on the system board. See “Locating parts on the system board” on page 11.

11.Reinstall the heat sink fan duct. See “Replacing the heat sink and fan assembly” on page 46.

12.Reinstall the hard disk drive. See “Replacing the hard disk drive” on page 40.

What to do next:

To work with another piece of hardware, go to the appropriate section.

To complete the replacement, go to “Completing the parts replacement” on page 60.

Replacing the keyboard

Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.

This section provides instructions on how to replace the keyboard.

To replace the keyboard, do the following:

1.Remove all media from the drives. Then, turn off all attached devices and the computer.

2.Disconnect all power cords from electrical outlets.

3.Disconnect the old keyboard cable from the computer.

4.Connect a new keyboard to the appropriate connector on the computer. Your keyboard might be connected to a PS/2 keyboard connector 1 or a USB connector 2 . Depending on where you want to connect your keyboard, see “Locating connectors, controls, and indicators on the front of your computer” on page 7 or “Locating connectors on the rear of your computer” on page 8.

Figure 44. Keyboard connectors

What to do next:

To work with another piece of hardware, go to the appropriate section.

To complete the replacement, go to “Completing the parts replacement” on page 60.

Replacing the mouse

Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.

This section provides instructions on how to replace the mouse.

To replace the mouse, do the following:

Chapter 5. Installing or replacing hardware 59

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Lenovo 3143, 7339, 5039, 5033, 3167, 3171 Replacing the keyboard, Replacing the mouse, What to do next, Keyboard connectors