Computer Maintenance · Intermediate level

Intermediate level · Module 3: Upgrades and Compatibility · Lesson 1 of 3

RAM Upgrades

Add or replace memory correctly.

In this lesson you will

  • Identify compatible RAM
  • Install RAM safely

Key concepts

DDR generationslaptop and desktop modulesslots and capacitydual channel

The lesson

RAM must match the motherboard's type (for example DDR4 or DDR5) and form factor: long modules for desktops, short SO-DIMMs for laptops.

Check the maximum supported capacity and free slots in the manufacturer's specifications; some laptops have memory soldered to the board.

Install matching pairs for dual-channel performance and confirm the new total in system information.

Step by step

  1. Check the specifications.
  2. Choose compatible modules.
  3. Install RAM.
  4. Verify the total.

Practice activity

Upgrade RAM in a lab computer.

Expected result: Correct RAM installed and recognised.

Check your understanding

  1. Can DDR4 RAM go in a DDR5 slot?

    Show answer

    No.

  2. Where do you check maximum supported RAM?

    Show answer

    The manufacturer's specifications.

Taught live by an instructor — online or in person. Free course lessons are for self-study and do not lead to a certificate — see registration options.