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How Can I Tell If My RAM In My Mac® Computer Is Bad?

If you are having performance issues, software “hangs” or random crashes—we recommend you run a memory test. For the mac OS®, a popular tester is Rember®, which can be found here.

Set Rember to test All, and check the box next to Infinite number of loops, and let the test run for at least half an hour. Because Rember is running from your desktop, it's important that you shut down all applications before you run the test. If you have any programs open, the test will be a lot less accurate.

If Rember finds errors with your RAM, you may need to replace it. To request an RMA, fill out the online request form, or contact Customer Service for your region.

©2019 Micron Technology, Inc. All rights reserved. Information, products, and/or specifications are subject to change without notice. Neither Crucial nor Micron Technology, Inc. is responsible for omissions or errors in typography or photography. Micron, the Micron logo, Crucial, and the Crucial logo are trademarks or registered trademarks of Micron Technology, Inc. Mac OS is a trademark of Apple, Inc., registered in the United States and/or other countries. Rember is a trademark of Kelley Computing registered in the United States and/or other countries. All other trademarks and service marks are the property of their respective owners.