Lenovo ThinkCentre M700z, Руководство пользователя

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13. Install the system board shield. See “Replacing the system-board shield” on page 66.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 82.
Replacing the serial connector module
Attention: Do not open your computer or attempt any repair before reading and understanding the “Read
this first: Important safety information” on page iii.
To replace the serial connector module, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or other flat surface. Hold the sides of your computer and
gently lay it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer stand. See “Replacing the computer stand” on page 60.
4. Remove the computer cover. See “Removing the computer cover” on page 65.
5. Remove the system-board shield. See “Replacing the system-board shield” on page 66.
6. Locate the serial connector module. See “Computer components” on page 7.
7. Disconnect the serial connector module cable from the serial connector module.
8. Remove the screws 1 that secure the serial connector module on the system board.
Figure 48. Removing the serial connector module screws
Chapter 7
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Installing or replacing hardware
77