OS X V10.7 Lion :: MacBook Air Not Reconnecting To Wireless After Long Sleep

Mar 3, 2012

First off, apologies if this has been addressed in a previous post; went through a few pages and saw nothing that helped. I have been having problems with my i5 Thunderbolt 11" MacBook Air - running Lion 10.7.3 - reconnecting to my home network, which is listed as a Prefered Network, after being in sleep mode; especially after a long sleep, say overnight.  

I know it's not my network because my 2.8 Core 2 Duo 15" MBP - running 10.6.8 - never has a problems reconnecting. I see other posts refering to a WiFi Update for other machines, but not the Air. And this was purchased with Lion, so while a re-install might solve the issue - again something I saw suggested - I would rather avoid the hassle.  

I've checked with the "Apple people" at Best Buy - the closest thing I have to an Apple Store here in South Texas - and they say the recent update should have fixed the problem.   [URL]..

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When this happens and I do the hard shutdown, I consistently cannot boot my MBP at this point. I shut it off again, wait a bit, turn it on, and try booting again - nothing. The screen is all white (maybe light gray), and the animated gear never appears. I do hear the boot sound. When my MBP is in this state, none of the special boot options work - e.g., holding down "shift" for Safe Mode, holding down "option" to choose another boot drive, holding down "command+R" to boot from the recovery partition - it's as if I hadn't held those keys down at all. The only keys that do work are "option+command+P+R", which resets the NVRAM. After I've resetted the NVRAM, it still doesn't boot right away. I turn it off again, turn it on, and finally my MBP boots totally fast and fine. I do a check of the disk and there are zero disk/permission errors. 

This is totally reproducible behaviour. Every time it's in sleep mode for a few hours, it does this, and I can't boot, and the only way I can boot is by following those steps above. 

If I put the MBP in sleep mode for just a couple minutes to test it, it comes back from the sleep fine. I'm not sure how long it has to be in sleep mode before it decides to beachball on wake. 

I have done a search for new firmware for my SSD and have come up with nothing.

Info:
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I'm hoping I can get some ideas and guidance on this. A few months ago I bought my wife a 17" MBP. At the time we had a D-Link DIR655 Wireless-N router and the MBP worked great with it. If I woke the machine from sleep the reconnection to the wireless network was pretty much instantaneous.

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