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#2010 MACBOOK PRO 13 BAD RAM SLOT MAC OS X#
#2010 MACBOOK PRO 13 BAD RAM SLOT UPGRADE#

Memory available to Mac OS X may vary depending on graphics needs. Spare parts and accessories specialist since more than 10 years. You can force full memory retraining by resetting your PRAM ( Option Command P R during boot). MacBook Pro achieved a Gold rating from EPEAT in the U.S., Canada, France, Germany, and the UK. Buy MacBook Pro 13' Unibody Mi 2010 (A1278 - EMC 2351) MacBook Pro at the best price on MacManiack English. 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.

#2010 MACBOOK PRO 13 BAD RAM SLOT UPGRADE#

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. 13 MacBook Pro 2.4GHz (Mid 2010) Model ID: MacBookPro7,1 Mac OS X 10.7.5 or later is installed OWC MaxRAM Memory Upgrades for 2010 Mac mini, MacBook 13, and 2.4GHz MacBook Pro 13 computers: 8GB (1 x 8GB) PC3-8500 DDR3 1066MHz Upgrade Kit with Lifetime Warranty. MacBook Pro (13-inch, Mid 2010) and MacBook Pro (13-inch, Mid 2009) Number of memory slots: 2: Base memory: 4 GB: Maximum memory: 8 GB: Memory card specifications - Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format-30mm (1.

It may be that one of your 4 GB SO-DIMMs is of marginal quality and is failing during one of the training steps.

Now let’s consider a couple of possibilities: 13 MacBook Pro Review - 2.4GHz (2010) We review the 2010 Intel Core 2 Duo 2.4GHz MacBook. 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 2010 13 MacBook Pro Review - 2.4GHz / 4GB RAM (Unibody). Let’s consider the most common.įirst, let’s make sure your system supports 8 GB. Specifically, as discovered by OWC, the 13-Inch 'Mid-2010' MacBook Pro models (and only the 13-Inch models) - the MacBook Pro 'Core 2 Duo' 2.4 13' Mid-2010 and 'Core 2 Duo' 2.66 13' Mid-2010 identified by MacBookPro7,1- can support up to 16 GB of RAM with dual 8 GB memory modules if they are running OS X 10.7.5 or higher, have been updated to.

3 beeps + 5s pause means your memory failed training.