Aporte original por: Vincent Monteil ,
Hi Derek ! You have been well informed. A bac beeping that way on startup means that the ram was not correctly inserted. Beware, removing RAM is pretty easy to do but to replace it correctly, you need to press it firmly so it is well connected. I had the same problem the 1st time I changed RAM in a mac, just had to insert it again with a more significant amount of strength and it did the job. In addition, I would suggest to try this after inserting the new ram : * Unplug your computer, and press the start button for 10s, plug it back in * Start your computer and immediately press simultaneously alt+cmd+r+p which resets the PRAM Hope this helps!