Q: Wifi unstable

Reporting back from another experiment which solved the problem.

What I did with my router is basically filtering network access. This filtering can be done through MAC assignments. I assigned all MAC addresses and prevented any unassigned ones. With this approach I could disable the WPA and WEP authentications and still have secure connection.

No wifi drops anymore...

Works for me now.

But I will check. It has been working now and than so will check back to you

I ment I changed to WPA2 Personal.

Just WPA does not exist on my system.

Such things like this does cost a lot of money for us who workes with the computer.

Every hour the computer does not work properly cost me 150€ as can not charge my clients when not working.

Everything started with Mountain Lion and I can not see how a third party would be involved in this.

Hope Apple sends out a fix very soon as there is a lot of peopke still not having this to work

Miss Steve Jobs a lot. Read the book. BAD GUY. But he really get things to happen.

be no fool! mac filtering makes your wifi network by all means totally unprotected...sniffing your network for 1 minute and than changing my MAC address will grant me access to you network within few seconds...also breaking WEP secuity is nowadays question of 2-3 minutes (fastest attack is 40 sec!). That's why all new wifi routers will be (or already is) preset to WPA security.

Just updated to 10.8.1, got really excited and hoped it would fix the WiFi issues I've been having. Sadly... they are still there. Apple really needs to address this, because I'm not going to buy a new MacBook Pro just so my WiFi works the way it should.

Edit: Just checked System Information and the Broadcom driver has been very minimally incremented. 5.106.98.81.21 as compared to 5.106.98.81.20.

Downgrade to snow leopard driver version.

This will fix your drops:

Unzip, then unzip the Kext Utility, then drop the kext on the Utility app. Supply your password, reboot and then hopefully all is well with your Wi-Fi connection.

http://cl.ly/44180G1R3G0h

Thanks. Just did this, gonna reboot and I'll let you know if I get any more drops.

I had dropped ~5 times earlier today before swapping the drivers. Since swapping, I haven't dropped once. I would have edited my post if I could but I can't anymore. Thanks again!!!

STILL haven't dropped once! Someone said swapping the drivers doesn't work -- worked like a charm for me!

It seems, that downgrading the driver worked for me!

Anyone else solve this by downgrading  the driver ?   Are there any official ways to downgrade the driver ?

Im a little wary of unziping and downloading software i dont know anything about.   That having been said I did upgrade to ML and look what it got me ! LOL

After upgrading to 10.8.2, I still suffer from the wifi drops as well. I tried rolling back the driver as described by juato4, but the problem still persists. I am on a MacBook Pro (2010) .

Which wireless router are you guys using ? Please mention the make and model so it can help everyone. If you are using a Dlink 615 or a Cisco 4410N router, upgrade to the latest firmware and also use WPA2 Personal as your security. This has fixed other folks issues with these 2 routers.

The wireless issues I experienced were only on the wireless network at my office. It is a WPA2 network using AES encryption with PEAP authentication. On the network at home (WPA2 on an Airport Extreme (5th gen)), it worked without issue. I finally ended up wiping the drive and reinstalling 10.6.8 since it has had the best reliability when it comes to network connectivity.

I have a Ubee DDW3611 wireless broadband router from Time Warner Cable,  it was just installed a a week ago,  everything worked great 30mps dowloand speed, no drops UNTIL  i upgraded to 10.8.1  I am so upset that I upgraded without reading the forums.  Now I have to turn wifi on and off on my MBP and my MBAIR every 3 minutes or so just to keep on the web.  Some websites especially ones with with log-in forms simply won't open at all, I have to use a usb 4g modem to get to those.   I sure hope Apple comes with a fix, because now that we install OS from the app store,  it seems no easy way to roll back to a stable OS.