Hans D. Baumeister

Hans D. Baumeister

Added SSD, Reinstalled Lion...

Some recent issues with my Lion-based MacBook Pro built up a strong desire to re-install the entire OS. Since reports from colleagues with SSDs in their Macs were so positive, this was going to be my way to go: put an SSD in place of my regular hard drive and install the latter in a special mounting kit that replaces the DVD drive (see my separate entry about that).

The results:
1) Boot-up time greatly sped-up - incredible
2) most of the issues I’ve had with Lion are gone
3) most important: the wakeup-delay (see previous posts) was gone

Subsequently, this is a step I can greatly recommend. I’m not sure if some of the issues I had with Lion were due to upgrading from Snow Leopard (instead of doing a clean install) or some other problem, but one mystery was solved in the process: the cause of the wakeup-delay.

Because the installed SSD is - in comparison to the 640GB HD - somewhat restricted (96 GB), I wanted to move my user folder to the hard drive (see separate post). In doing so, the notorious wake-up delay came back! I ended up moving the user folder back to the SSD and *presto*, the problem was gone again.

Some more research shows that there are documented issues with the hard disk I use (a Samsung HM641JI), as well as with other models, in the update of the MacBook Pro EFI 1.6 to 1.7, causing some folks to actually do an EFI downgrade (pretty risky business). With the issue popping up with the user folder moved to the HD and disappearing when it was moved back, the evidence strongly supports an issue with the Mac and the Samsung HD. I’m assuming my HD is okay (perhaps wrongly so); unfortunately, I’m unable to find a Firmware update for the drive on the Samsung support site (in fact, I’m unable to find the drive!!! thanks, Samsung!). Seeing as my EFI version is 2.0, I would have thought Apple would fix things by now…
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