Lenovo 5852A1U User Manual - Page 24

Accessing the system board components and drives, Installing or replacing a memory module, Notes

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Accessing the system board components and drives This section provides instructions on how to access the system board components and drives. To access the system board components and drives, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Open the computer cover. See "Opening the computer cover" on page 14. 3. Pivot the optical drive bay assembly upward to access the internal components. On some models, you might need to remove the hard disk drive to access some internal components. See "Replacing the hard disk drive" on page 22. Notes: a. Make sure you note the locations of any cables that you disconnect from the drives or the system board. b. Make sure the hard disk drive assembly is in the latched down position before closing the computer cover to prevent damage to the hard disk drive. Figure 7. Pivoting the optical drive bay assembly Installing or replacing a memory module Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support 16 User Guide

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Accessing the system board components and drives
This section provides instructions on how to access the system board components
and drives.
To access the system board components and drives, do the following:
1.
Turn off the computer and disconnect all power cords from electrical outlets.
2.
Open the computer cover. See “Opening the computer cover” on page 14.
3.
Pivot the optical drive bay assembly upward to access the internal components.
On some models, you might need to remove the hard disk drive to access some
internal components. See “Replacing the hard disk drive” on page 22.
Notes:
a.
Make sure you note the locations of any cables that you disconnect from the
drives or the system board.
b.
Make sure the hard disk drive assembly is in the latched down position
before closing the computer cover to prevent damage to the hard disk drive.
Installing or replacing a memory module
Attention
Do not open your computer or attempt any repair before reading and
understanding the “Important safety information” in the
ThinkCentre Safety
and Warranty Guide
that came with your computer. To obtain a copy of the
ThinkCentre Safety and Warranty Guide
, go to:
Figure 7. Pivoting the optical drive bay assembly
16
User Guide