Installing Or Replacing A Memory Module - Lenovo ThinkCentre M83 Hardware Maintenance Manual

3. Install the screw to secure the I/O box on the VESA mount bracket.
Figure 254. Installing the screw to secure the I/O box
4. Connect the I/O box cable to a USB connector on the rear of your computer. See "Locating connectors
on the rear of your computer" on page 87.

Installing or replacing a memory module

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Safety information" on page 1.
This section provides instructions on how to install or replace a memory module.
Your computer has two slots for installing or replacing DDR3 SODIMMs that provide up to a maximum of
16 GB system memory. When installing or replacing a memory module, use 2 GB, 4GB, or 8GB DDR3
SODIMMs in any combination up to a maximum of 16 GB.
To install or replace a memory 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. Remove the computer cover. See "Removing the computer cover" on page 237.
3. Locate the memory slots. See "Locating parts on the system board" on page 90.
4. Remove the hard disk drive assembly to get access to the memory slots. See "Installing or removing the
hard disk drive assembly" on page 251.
5. If you are replacing an old memory module, open the retaining clips and gently pull the memory module
out of the memory slot.
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ThinkCentre M83 and M93/p Hardware Maintenance Manual