Installing Or Replacing A Memory Module - Lenovo 10A4 Hardware Maintenance Manual

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 86.

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 227.
3. Locate the memory slots. See "Locating parts on the system board" on page 89.
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 241.
5. If you are replacing an old memory module, open the retaining clips and gently pull the memory module
out of the memory slot.
Figure 255. Removing the memory module
6. Insert the notched end
and pivot the memory module until it snaps into place. Make sure that the memory module is secured in
the slot and does not move easily.
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ThinkCentre M83 and M93/p Hardware Maintenance Manual
2 of the new memory module into the slot 1 . Press the memory module firmly