OS X - Slow Boot Up With Intel X25-M SSD

I’ve got two brand spanking new MacBook Pros. One is an Core i7 and the other a Core i5 which I was experiencing slow boot up times with.

The i7 is blazingly fast and boots my Intel X25-M 160 GB SSD in around 20 seconds from pressing the power.

The i5 (2.53 Ghz) however with the same SSD was booting in 50-60 seconds. Enough time to go make coffee, read the paper and build a house. Unacceptable to say the least.

Various solutions online suggest re-installing Snow Leopard but what worked for me was resetting the PRAM. After I did that it boots like normal (~25 seconds).

Obviously the problem isn’t with the specific SSD but the fact that the PRAM is in a bad state of some sort.

How to reset the PRAM

2010/06/11 at 09:04

Comments

2011-05-02 21:00

Tony Lewis

I know this is old, but… If the SSD came with your mac I would be concerned… as it’s a hard drive, I would expect that you would have to reset the PRAM to enable the proper settings.

Trim support won’t be added ’till 10.7 though.

2012-02-04 07:07

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