Q: Dropping Wi FI Signal

Well, so much for that idea. Downgrade to 10.6 didn't fix it. Upgraded to 10.6.2 and applied the AirPort client patch from 12/9. It is still dropping.

Message was edited by: William Riggins

The only fix for me has been to go back to the 10.4.11 installation I had running before I installed SL upgrade. Amazing, too, that the same hardware works flawlessly with that OS. The latest airport patch did nothing for my wireless issues with SL.

So folks, i've been reading all of this and still don't see a real solution. What version of airport utility is everyone running? I have 5.4.2 running and have the problem, i'm also on 10.5.8 (NOT SL), and have seen the problem since loading 10.5.8.... if you look at your software update.log file, where is the upgrade issue?
[snip]
2008-06-15 12:20:03 -0400: Installed "AirPort Utility" (5.3.2)
2009-05-09 08:08:45 -0400: Installed "AirPort Utility Software Update 2009-001" (5.4.1)
2009-06-17 14:07:39 -0400: Installed "AirPort Utility Software Update 2009-002" (5.4.2)
[end of snip]
The most recent "KB" referenced in other posts provides a possible fix which is to download airport update 2009-002, didn't fix it for me. I still get connection timeouts, or my particular ssid just disappears. Let's not complain, but pool our technical resources to drive this to closure with a little help from our friends at Apple who work these message boards..What debugs are needed to diagnose this better?

I'm running a Juniper SSG-5 FW/Router, running 6.1r6 code, been running that code for several months. My problem started when loading the 10.5.8 upgrade which had 5.4.1 airport(2009-001) bundled in it.

my $.02

My issue if I wasn't clear, started with the 5.4.1 upgrade of airport utility... which came bundled with 10.5.8

Still not working here either, despite the latest update.

Seems like this is happening primarily when I’m on battery power, the connection seems to be much mire stable when my MBP is connected to the power cord. Not exactly the best solution for a Mac that’s supposed to be mobile …

Addition: When plugged in, my Airport card will not only find my own Wifi but also many more by my neighbors. I’m pretty sure there’s a connection.

I’ve tried every possible fix proposed here that’s applicable to my setup, it didn’t work. I don’t want to downgrade and I don’t want to do a clean install so I sincerely hope Apple will finally fix this.

I’m running a Mac because I want it to work!

Message was edited by: TCHe

I had a rock solid connection until I updated the Airport Client. Then it started dropping and I had to disable/enable it to get back online.

Once again OnyX seems to put things right. I wonder if you'd care to try running the Automation script and see if it works for you too? It checks permissions and clears the dyld cache.

My room mate and I just bought brand new MBPs and have never had any problems like this before now. Very annoying, I have been searching for a fix all day. Does anybody know of a browser that isn't disconnecting? I just hope Apple is checking into this, it seems very widespread. I tried resetting my router, deleting the preference files, I did a software update, emptied the DNS settings. Still dropping the signal.

Just adding myself to the list.

My signal has been dropping regularly ever since upgrading to SL.

It really makes Time Machine unhappy when it drops in the middle of a backup...

Is it just my imagination or just wishful thinking? But I believe that my dropouts have gone to zero since downloading and installing a few days ago the "AirPort Client Update 2009-002."

Please tell me that I'm right!

*After i upgrade with 2009-02 i can't connect to any wi-fi even my !*
(The router is just 2m away from me and the SL says "Timeout")

I wish i never step in the Apple's world... when everything is working and suddenly one thing stops it killllss me especially if it the WIFI!

Did a fresh install of SL, upgraded again to 10.6.2 using downloaded combo, then applied 2009-02 update and my wifi connection is now solid ... for 2 days straight ... even after shut down / restart.

Hi,

My config is:
iMac: model 7,1, SL 10.6.2, Airport client update 2009-2
WiFi router: Linksys WRT54GC ver. 2.0, firmware 1.01.5

WiFi was unstable (drop reasons recorded in log: Disassocited due to inactivity - 4). Signal drops every 25 - 40 min.
Wireless security mode was set to 'WPA2 Personal' with AES encryption

After I switched to 'WPA Personal" with TKIP encryption the link stayed stable for 6 hours.
Switching back to WPA2 / AES caused WiFi drops again within 30 mins.
So I reverted to WPA / TKIP.

Hope this will help.

I'll keep you informed.

Message was edited by: JPM-PL

Hi again,

it works.

After switching from 'WPA2 Personal / AES' to 'WPA Personal / TKIP' no more WiFi drops.

It also helped with another problem - Energy Saver --> Computer Sleep interval.
Right after the 10.6 update iMac didn't want to automatically sleep.

Now it looks a lot better.

But of course it is only a workaround and Apple has to fix it !!

Two days of good use may not be enough to start celebrating. Having obtained excellent performance by making the changes I outlined in my thread

http://discussions.apple.com/thread.jspa?threadID=2256256&start=0&tstart=30

I had an entire week with not a single problem until this morning when waking my MBP from sleep i got that familiar "You are not connected to the Internet" sign. I simply waited for a while, doing nothing, and in a couple of minutes it fixed itself, and has been fine ever since. But there is clearly still an instability there. I haven't eliminated it, I've just greatly reduced the circumstances under which it manifests itself.

JPM-PL wrote:
After switching from 'WPA2 Personal / AES' to 'WPA Personal / TKIP' no more WiFi drops.

Note that WPA Personal/TKIP is significantly less secure than WPA2/AES, as the former is crackable while the second is not unless you use a very insecure passphrase.