![]() Can anyone with a mid 2010 13' Macbook Pro 2.6GHz Core 2 Duo P8800 and (2x8GB) 16GB DDR3 RAM in a different machine try it. You can force full memory retraining by resetting your PRAM ( Option Command P R during boot). Over at this Macbook thread mwhities was able to install 16GB into a mid 2010 13' Macbook 2.4 Core 2 Duo P8600 that was otherwise stated to be limited by Apple to a max of 4GB and by OWC to a max of 8GB. Although I can’t think of a good reason why it would only happen for the 4+4 case, your firmware may not be recognizing a new DIMM has been installed and is trying to use a stale memory training table with the new card.When you ran your experiment, did you try both of the DIMMs alongside the 2 GB DIMM? And then did you try each of those DIMMs in the other slot alongside the 2 GB? In other words, you should have performed this experiment with FOUR different memory configurations. Press question mark to learn the rest of the keyboard shortcuts. ![]() ![]() It may be that one of your 4 GB SO-DIMMs is of marginal quality and is failing during one of the training steps. Im purchasing the new MacBook Pro RETINA in the next few days and I was wondering if I should upgrade it to 16GB of RAM for Press J to jump to the feed.Now let’s consider a couple of possibilities: Apples latest MacBook Pro 14-inch and 16-inch comes with three Thunderbolt 4 ports, an HDMI port, SDXC card slot, and MagSafe 3 port. According to Apple, the mid-2009 MacBook Pro does support up to 8 GB:ĤGB (two 2GB SO-DIMMs) of 1066MHz DDR3 memory two SO-DIMM slots support up to 8GB Let’s consider the most common.įirst, let’s make sure your system supports 8 GB. 3 beeps + 5s pause means your memory failed training.
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