Currently Being ModeratedJun 13, 2013 8:45 AM (in response to vhkim)
I have the same problem with my 2013 MacBook Air 11 inches. Something I never had with my iPad, MacBook, iPod or iPhone. The connection drops and the MacBook fails to recognize the signal even close-up. Restart is the only way around it. It does happen once or twice a day.
Currently Being ModeratedJun 13, 2013 11:11 AM (in response to vhkim)
What wireless router are you using ? And can you connect to any other wireless network or is this specific to just one network ?
Launch Wireless Diagnostics ( Option click on WiFi Menu Extra and you will see this at the bottom) and under Window->Utilities in the menu item, go to the Performance Section. What do you see there for Quality,RSSI,Noise,TX Rate,Channel ? Paste that info. here and I can try to help.
Currently Being ModeratedJun 13, 2013 11:51 AM (in response to wifiguru)
Airport Extreme is my router. In general no problem at all with this the network for this MacBook or any of my other of my Apples. I have only one network here. The breakdown only happens occasionaly and I don't see myself sitting somewhere else for hours to see if it fails or not.
I am not sure where to find Wireless Diagnostics as you suggested. Looked under system preferences > network. Could you tell me where to find it? Thanks fo trying to help.
By the way, I want to add for everyone reading this: it is a grand little machine. The fastest kid on the block. Buy it.
Currently Being ModeratedJun 13, 2013 12:42 PM (in response to Fred Braches)
Option click on the Wi-FI Menu Extra icon on the FInder Bar at the top. At the very bottom, below all the wireless networks, you should see an option to launch Wireless Diagnostics.
Currently Being ModeratedJun 13, 2013 3:13 PM (in response to Fred Braches)
Hello Guru: I lost connection again. I managed to find Network Diagnosis under System preferences but that does not help me a bit when the the connection it lost. Solution: restart. Suggetsions? Or have you given up?
Currently Being ModeratedJun 13, 2013 3:37 PM (in response to wifiguru)
This is the info i get from diagnostics:
RSSI: -42 dbm
Noise: -86 dbm
Tx Rate: 48 Mbps
The wireless router that i'm using is a Netgear 54mbps Wireless ASDL2.
Unfortunutatly i'm not sure when i'll get a chance to test it on another wifi network though. Maybe on Sunday.
Thank you so much!
Currently Being ModeratedJun 13, 2013 3:54 PM (in response to Fred Braches)
Hold down the Option Key and click on that WiFi Fan icon. At the very bottom of the list ( below all the scanned networks) you will see an option to launch Wireless Diagnostics.
Currently Being ModeratedJun 13, 2013 3:57 PM (in response to vhkim)
Have you cheked if your Netgear router has the latest firmware ? What model number is it ? Your RSSI,Noise, Tx rate etc. look good. One thing you could try is switch to a different channel, say channel 6 and give that a shot.
Can you copy paste info. from your /var/log/system.log info around the time frame you see the drop ? I can take a look and see if it helps any.
Currently Being ModeratedJun 13, 2013 11:40 PM (in response to wifiguru)
Hello Guru! This time when the connection failed I did find and launch diagnostics as you showed me to do. Thanks. The message is: "Turn on Wi-Fi, join a network, and then choose "Continue" to run diagnostics." And that is just what I can't do: switch on the Wi-Fi. Restarted and everything is back to normal. Any other suggestions?
Note: The Wi-Fi does not fail when I am on the net.
Currently Being ModeratedJun 14, 2013 3:48 AM (in response to wifiguru)
So i'm holding my breath but it looks like i've resolved the problem by changing the channel that my modem was transmitting on. Was on 2 but i bumped it up to 11 and things are looking good.
Thanks for your help!
Currently Being ModeratedJun 14, 2013 1:49 PM (in response to Whonnockian)
Also having this issue on a brand new Macbook Air 13", changing the channel has not seemed to do anything. I am using an Asus RT-N16 with DD-WRT firmware. When it happens, every other computer or iOS device on the network is fine (including a 2007 Macbook Pro, a 2011 Macbook Pro, iPad Mini, iPhone 4S). Seems to be isolated to the new Macbook Air.
Currently Being ModeratedJun 14, 2013 2:18 PM (in response to Maliath)
I am in the exact same boat. I just bought a 2013 13" i7 Air and it connects to my wifi no problem, and it never appears to disconnect but it stops communicating. I disable wifi and enable it, and it is working again.
I am running a Linksys 1100 with DD-WRT, and I have no issues with any other machines, including 2 AppleTVs, an iPad, 2x iPhone 4S, 2 Nest thermostats, 3 Windows laptops and a MacBook Pro.
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