Replacing The Keyboard; Replacing The Mouse; Keyboard Connector - Lenovo ThinkStation 4157 Hardware Installation And Replacement Manual

Replacing the keyboard

Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety
information" in the ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy of the
ThinkStation Safety and Warranty Guide, go to:
http://support.lenovo.com
This section provides instructions on how to replace a keyboard.
1. Remove any media from the drives, shut down your operating system, and then turn off all attached
devices and the computer.
2. Unplug all power cords from electrical outlets.
3. Locate the keyboard connector. See "Locating controls and connectors on the front of your computer"
on page 4 or "Locating connectors on the rear of your computer" on page 5.
Figure 41. Keyboard connector
4. Disconnect the failing keyboard cable from the computer.
5. Connect the new keyboard cable to one of the USB connectors.
6. Go to Chapter 4 "Completing the parts replacement" on page 47.

Replacing the mouse

Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety
information" in the ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy of the
ThinkStation Safety and Warranty Guide, go to:
http://support.lenovo.com
This section provides instructions on how to replace a mouse.
1. Remove all media (diskettes, discs, or tapes) from the drives, shut down your operating system, and
turn off all attached devices and the computer.
2. Unplug all power cords from electrical outlets.
3. Locate the connector for the mouse. See "Locating controls and connectors on the front of your
computer" on page 4 or "Locating connectors on the rear of your computer" on page 5.
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ThinkStation Hardware Installation and Replacement Guide