VERY WEIRD!! Only 802.11a works

I have a new AEn and I'm having a LOT of problem set it up.
After hours of trying to figure out what was wrong, I finally came to the conclusion that only when I select "802.11n (802.11a compatible)" under "Radio Mode" does my wireless work.
This leads me to the conclusion that only 802.11a is working on my AEn.
And this is totally unacepatable, as this is the worst standard for wi-fi.
Anyone has an idea?
thanks.

With the Airport Utility application under "Airport, Wireless" with your Radio Mode set to "802.11n (802.11b/g compatible)" set the Channel to 11 and see if that helps.
I had this problem till I realised because my MacBook was brought in the USA it meant it shipped default with "Wireless Card Locale" set to "USA" rather then "Worldwide". By default the Airport Extreme will advertise on Channel 13, but becuase my Airport card is for USA it only covers Channels 1 to 11.
http://en.wikipedia.org/wiki/Wi-Fi#Channels

Similar Messages

Ap 1130 LWAP mode show only 802.11A

Hi, I have some AP 1130 who's had strange behavior. For sometimes now, some of these AP stop showing the 802.11b/g/n Radio interface. So I can't enable it anymore. I try to reset the AP to factory default, nothing change.
I had 2 controller WISM in my 6509E chassis
The boot version on the AP is 12.3.8
The software version is 7.0.0220.0
the ios version is 12.4(23c)JA3
Do you ever see these symptoms?
I didn't plug a console port directly on the AP because for now I didn't have a PC with a serial port, so I can't see if there any log in the AP.
Thanks for your help

Never mind. I upgraded one of the 6 to 12.3.JA2 and it now shows up as 802.11g. I guess this behaviour is a bug after all!!

WLAN showing up as 802.11a/g but not 11n

Using a wifi scanner like Metageek inssider or chanalyser, I'm seeing one of our WLANs as only 802.11a or g but not 802.11n like it should be.
All the other SSIDs on that AP/controller are showing as 802.11n. I can't for the life of me think how this could be, but the scanner is showing the top data rate as 54Mbps. Connect to another SSID and it shows the upper data rates as well.
Any ideas why this would be? Typically this just happens to be our main SSID. Is it just the scanner interpreting things wrong? I've looked at the controller and the upper data rates are enabled for 802.11n as well as 40MHz for the 5GHz radio.

It's WPA2/AES but WMM is not allowed (Cisco TAC had me remove that option to resolve a bug).

Airport Extreme - Only the 802.11n only (5 ghz) works

Airport Extreme - Only the 802.11n only (5 ghz) works
Posted: Sep 21, 2008 2:50 AM Reply Email
I just bought an new Airport extreme Base station, and i am not very good with network settings. I am experience an weird problem.
I follow the instruction to set up the Airport extreme. I get the green light on the extreme, everything went well up to that point. but then when i try to connect to the internet wirlessly, it won't let me.
The weird thing is... the computers that were connecting wirely to the Airport extreme using ethernet works fine. but my macbook pro and along with other labtops are not being able to connect to the internet. On my macbook pro, it first says connection failed after i put in my password. but after couple try on entering the password( i thought i typed it in wrong), it finally connected to the network but still no internet. then I went to the network preference panel to check, it says i am connected but with a self-assigned IP and may not be able to connect to the internet.
The even worse thing is... if i change my airport extreme to only broadcast the 802.11n only (5 GHZ) mode, everything works fine. But of course I have some device in the house are not N compatible, which makes this "solution" pretty useless. I understand n is faster and all, but I still want my G compatible device to work with my network.
It will be really nice if anyone can give me a solution and help me get the 802.11n (a/b/g compatible) works.
Thank you.

I am having the exact same issue with my Macbooks. I have 2 Macbooks and they've all stopped connecting to the Airport Extreme router via wireless N. Yeah, I can switch to 5ghz mode, but then my PC laptop, iPod Touch, wireless printer, Xbox 360 wifi adapter and Nintendo Wii all can't connect as they all use wireless a/b/g.
BRUTAL. When are we going to get a fix for this? How do I roll back to a previous rev of OSX, if that's the issue (it must be, as this recently stopped working - i.e. when I installed the latest OS update - when it has worked fine for months).
Message was edited by: Adrian Crook

:)- I canceled the update from Snowleopard to Lion by cleaning my keys ^^. Hit the wrong key i thing. Now i'm very weird ...only can start in Windows and dont know how to get my Lion Update now...Cant start in Mac OS X (Snowleopard) now :((

Hey Folks...i'm totally ****** off !
^^
I canceled the update from Snowleopard to Lion by cleaning my keys ^^. Hit the wrong key i thing. Now i'm very weird ...only can start in Windows and dont know how to get my Lion Update now...Cant start in Mac OS X (Snowleopard) now
Please tell me what i have to do know
greets
< Edited By Host >

Hello fuchs (guess), If you cancelled while downloading the 4GB Lion, no problem, download again. Snow Leopard should run (start holding the option key).
If you cancelled during the install process, I do not know. In this case you could try to start with the CMD + R keys pressed, and choose the restore, which may work if the creation of the restore partition of Lion has finished.
If that does not work, reinstall Snow Leopard with the CD (start holding the C key), after that download the Combo Update 10.6.8 to update the Snow Leopard completely, then redownload Lion (App Store, click "purchases" while holding the Option Key, find Lion, click "install"). If you want to have your own copy of the Lion installer, you have to copy the installer to a Memory stick or burn to DVD before you install, see else where.
Lex

I'm using iphone 4S, and I can not open PDF file only from my husband email that using Mic outlook. It was very weird because I can received other email with pdf file from other people. can someone help.

I'm using iphone 4S and ipad mini, and I can not open PDF file only from my husband email that using Mic outlook. It was very weird because I can received other email with pdf file from other people. Can someone help...
Thanks in advance

Hi Eidda,
This may because the attachment is a winmail.dat file. I would recommend taking a look at the article below for more information. Note: the article is written for OS X mail, but does also apply to this situation.
Mac OS X Mail: What is a winmail.dat attachment?
http://support.apple.com/kb/HT2614
-Griff W.

What's the difference between using and 802.11a and 5GHz only?

What's the difference between using "802.11n (802.11a compatible)" and "802.11n only (5GHz)" modes on the Airport Extreme?

802.11a gives you 802.11g speeds but using 5GHz (54mbps
802.11n gives you 144Mbps (600 peak) at 2.4GHz or 5GHz

Firewire camera connection weirdness: only works if plugged in through ext.

Trying to capture footage from my camcorder into FCP (or iMovie) but I don't get a connection. Swapped cables, restarted, reset PRAM and logged in under a different user acct but the only thing that works is to plug the camera into an external FW CD burner. Then it connects.
I've had FW weirdness once before where the FW800 didn't work any more. As soon as I tried to replicate it at the genius bar (iMac 24) it worked fine (after logging in as a new admin user).
Any clues?

Also: I tried two camcorders (Canon GL2), and everything worked just fine last week, with no apparent changes except for the upgrade of iMovie to the latest version (but if I use iMovie I use version 6 anyway).

Does airport extreme 802.11a/c work with airport express 802.11n

does airport extreme 802.11a/c work with airport express 802.11n

"You can use the AirPort Express to extend the signal provided by the new AirPort, but the Express will not extend "ac" wireless since it does not have that capability. The Express will extend an "n" wireless signal if that helps."
This is what I am trying to understand.
So AXTRM w/ sep SSID for 2.4 (b/g/n) - call it SSID1 - and 5GHz (ac) call it SSID2 - WiFi Explorer confirms AC mode on 5G.
Using an AXPRESS to extend - I have the option of SSID1 b/g/n *and* the 5GHz ac SSID2 in the pulldown (it sees both?) --> if I select SSID1, it also extends this same SSID in 5GHz (both showing b/g/n) >> so I now have 3 signals on SSID1 (XTRM 2.4G, XPRS 2.4G and XPRS 5G) b/g/n and one signal on SSID2 (XTRM 5G AC) ac
If I select the 5Ghz ac SSID2 to extend - it prompts me "do you also want to extend (the 2.4GHz SSID1)?" --> select yes and I now have 2 signals for SSID (XTRM 2.4G & XPRS 2.4G) b/g/n and 2 signals on SSID2 (XTRM 5G 802.11ac & XPRS 5G 802.11 a//n)
Is the 5G SSID2 actually being extended from the Airport Extreme to the Express?
The reason I bring this up is I am having a lot of issues since iOS8 came out (especially on iPhone 6). Everything I am reading is pointing to when people have 2 AP's set to use the same SSID. When you walk to a part of the house where 5G 802.11 ac signal marginalizes, the phone does not immediately hand over to the 5G 802.11 a/n Airport Express.
My thought was separate the SSID's but to me, if the Express can't extend 5Ghz from the Extreme, it's taking a step backwards. I am better off getting a more powerful router like an ASUS and going with one AP, drop the WiFi roaming altogether
Any thoughts?

Apple Banned me, because of a very weird problem with my "Factory Unlocked"

Hi Everybody! Im having a very weird problem with my unlocked iphone 4.
First of all, i would like to apologize because of my english, is not very good. My native language is Spanish.
Well.. Im from Mexico, and here we can buy the iphone Unlocked on the Apple Online Store.
Here's my problem. Apple has exchanged my iphone 3 times.
I returned the iphone the first time because the screen was totally yellowish, other than that everything was working great!, that was by the end of September.
On October 20th, i recieved my second iphone, and then a bigger problem started .
Before i continue, let me give you this information: here in Mexico we have basically 3 cell phone companies
1.- Telcel
2.- Movistar
3.- Unefon
OK, now on october 20th, i recieved my second iphone, and then procced to activate via itunes using my UNEFON sim card (microsim).
And every time i tried to activate it, only got this message onscreen:
http://i148.photobucket.com/albums/s2/jorgelomeli/Screenshot2010-10-29at24915PM. png
I though something was wrong with my brand new factory unlocked iphone 4.
I have 4 more simcards from my brothers (they all had iphone 4 too)
I tried telcel sim card, and i could activate my iphone. Then i insterted the Movistar microsim, and it worked too!! But then when i put the Unefon sim, the itunes logo inmediatly appears on the screen asking to activate on itunes, and when i tried that, the only response i got was the image above saying " The Simcard inserted on this iphone does not appear to be supported"
Weird thing here is, that, when i put my Unefon sim card on my brothers iphone 4, it worked great! on all of them, internet 3g, phone, wireless , evrything!
I called apple support, and they exchange the iphone for another one.
I recieved the third iphone on October 29. Last friday. and guess what? SAME PROBLEM! different serial number, same week production (week 42) but exactly the same message on itunes.
Very, very frustrated, i called apple again, and after 1 hour with thechnical support, they told me " We are sorry, but we can only offer you, your money back, NO MORE EXCHANGES FOR YOU"
I said why?... i dont want my money back! i want an UNLOCKED iphone!, but they refuse to give me another iphone.
When i asked techincal support, why my unefon sim card worked great on all three of my brothers iphone but not on mine, he just told me, "I really dont know, i guess they just got lucky" ****, this answer put all my trust i had on apple products for years, right on the garbage.
Since they refused to give me another iphone, i accepted my money back, and inmediatly after i finished the call, i asked my brother to buy me one more time an iphone 4 using his name, and his credit card. Now i have to wait until November 8-12 to recieve my new iphone, hoping this time i get a REAL UNLOCKED iphone, and not a partially unlocked iphone.
btw. i even went to Unefon costumer service and bought a new prepiad line, with a new microsim, just to be 100% sure that this problem is not because of the sim. And again didnt worked on my iphone, but it worked on any of my brothers iphone4.
Serial numbers of the 3 iphones:
79039C0U* (this one worked great with Unefon, only problem was yellow screen)
85042GR4*
81042FJB*
What do you suggest me? any info would be really aprecciated
FYI i also restore 4 times the last iphone and nothing seemed to work, i use 3 different computers, Macbook Pro, iMac, and an Hp with Windows 7, and the same message on all three computers.
Wierd thing also, one of my brothers bougth an iphone 4 this last week too, but he bought the 16Gb not the 32Gb. His iphone production week is 42 also! and when i put my Unefon sim in his iphone works great!
I dont know what else i can do, I just need to have faith that my new iphone coming this november will be real unlocked, but what if i'll recieve an iphone and then the same problem?? time for android? just kidding really guys, what can i do? anyone with similar problem like me? i dont wanna use Telcel or Movistar, i wanna use Unefon, and thats why i bought an Unlocked iphone
btw: jailbreak is not a solution for me, because i always like to use legal software on all my apple products, and because of the warranty.

According to http://support.apple.com/kb/HT1937, there are two official carriers in Mexico (Movistar and Telcel) and neither carrier offers an unlocked phone.

.xmp files showing up in my SD card when accessing RAW files in Finder... Very weird!

Hi,
I'm having a very weird problem... I'm using a 4GB Scandisk SD card and am shooting my RAW photos on a Canon Rebel 2ti. I'm using a Macbook Pro, 2011 2.3Ghz i5, 4gb of Ram, with Lion v. 10.7.2 and am accessing the SD card RAW files through Finder. I'm secondary clicking on the image file or double clicking them as PS is my default opening program for RAW files. When I hit the "Done" key on any of the Photoshop files, a new .xmp file shows up in Finder. When I open it, it's a Microsoft Messenger for Mac 8 License Agreement...
I do have Microsoft Office 11 installed and have never used Messenger. It's not a huge deal, but it's driving me crazy and it's totally weird!
Thanks,
-Dave

It's a lot of separate, unrelated things happening to you in one long chain, but each step is normal and explainable.
You are opening raw files straight from a card into Photoshop. Photoshop will open them in Camera Raw. Camera Raw's preferences are set to save changes in XMP sidecar files. You are clicking Done, which applies the default Camera Raw processing, and that change generates an XMP file to store these new settings. That's why an XMP file is showing up in the same folder. On a computer, that's fine. But writing back out to a camera card with a device other than the camera is not recommended. What is recommended is to use another, faster way to preview raw files on a card without changing them (Adobe Bridge, Lightroom, Apple Aperture, Photo Mechanic, etc.), so that the card's left untouched as it should be.
If you don't want the XMP file to be generated, you have to do just one of the following:
In Camera Raw preferences, change the "Save image settings in" option to "Camera Raw database", not "Sidecar XMP files".
Instead of clicking Done every time, which applies any changes, click Cancel instead, if you were just looking and not editing.
Use something other than Photoshop to preview raw files. Most of the other ways are faster than opening them in Photoshop. The recommended workflow is to use a camera downloading utility to look through all the images on the card at once (instead of one by one as you are doing), and then select only the ones you want to bring into your computer. Bridge (via File > Get Photos from Camera, not by browsing), Lightroom, Aperture, and iPhoto all have that capability.
As to why double-clicking an XMP file opens a Messenger license agreement: As you probably know, the system has to figure out what program should open a file with a given filename extension. It sounds like maybe both Adobe and Microsoft have used the XMP extension, and the Office installer probably associated it with some type of MS Messenger file. So when you double-click an XMP file, Mac OS X opens Messenger. Since you have not used Messenger before, it's showing you the "first run" screen for Messenger, and Microsoft has set it up so that you have to click Agree on the license agreement before using it. If you never click Agree, it will still be the "first run" next time you open Messenger, whether you meant to or not. You can use Get Info in the Mac Finder to reassign XMP to open in another program.
You probably didn't expect so many things to happen from just opening a raw file off a card, but that's the way it worked out.

Does the 27" iMac wireless card support 802.11a and n

does the iMac support the 5 GHz wifi format? How about the N spec?

I'm sorry but I don't understand this:
the unit supports 802.11a channels but it doesn't pick up anything.
Are you saying the iMac cannot connect wirelessly? And why would you be concerned that the very old 'a' standard may not be picked up? The latest standard is 802.11n, not a.
http://en.wikipedia.org/wiki/IEEE_802.11
So, is the iMac working wirelessly or not?

Connecting to 802.11a AP using WPA security - no go

I have an AP that is set to 802.11a (5GHz) using WPA security and is set to hide its SSID. My iMac is connecting to this AP without any problems whatever frequency i set on AP, hide/show SSID. The problem is - Macbook does not show this AP in AP list when requested, if i select other and enter correct settings (ssid and WPA passkey) it says - connection timed out, AP does not show any signs that something even tried to connect to AP.
the only resort is to use 802.11g when i can connect to AP without any problems.
in Network utilities it shoes that it supports 802.11a/b/g/n
hope i gave enough details.
later today i will try to set WPA2 instead of WPA, also will try to set no security settings at all.
any thoughts how to force it to connect to 5GHz AP?
edit:
forgot to say why i want to switch to 5GHz - the problem is - lately many 2.4GHz b/g APs popped up in neighborhood and started to cause latency/interference as some manage to follow me over frequencies i set up.
Message was edited by: janiskr

ok, setting to WPA2 solved the issue, because still, with WPA configuration i was not able to connect. allowing TKIP and WPA2 allowed macbook to connect. Also iMac changed the settings to WPA2 and it didn't matter that it had correct settings fot WPA.
weird.
maybe someone could point out how to set these things explicitly, so i can choose what settings are in use.

802.11a/g/n optimizing for compatibility

How to ensure maximum client compatibility and stability in 802.11a/b/g/n networks?
I am running a Wireless network based on the WLC 5508 6 SW version, (with WCS mgmt) and 1142 APs. I would like a broad variety of clients, old G clients and new N clients to experience a stable connection to the network. I see Apple Macbooks, Lenovo-, Dell- and HP laptops in addition to HTC smartphones and iPhones on this network.
I am having issues with some types of clients experiencing "unstable" connections. They are able to get a link for a variable ammount of time, then suddenly loose connection for a short period of time before reconnecting. These clients mostly use a third party SSL-VPN link over my wireless, therefore the loss of connection can be quite annoying. From time to time some of these clients seem to be flapping between access points but not seamless like roaming should be, rather with a short stop in connectivity before reconnecting.
Previously we had a 802.11g Aruba wireless network in the same location. It had no such difficulties. This points me toward the config parametres in the controller.
Which 802.11 b/g/n and WLAN parameters can affect this? I am looking for a document describing a best practice for setting up these parameters, or if someone here has input to a successful stable setup as the configuration guide only says e.g. "Enable if you want Aironet Information Elements" does not help in deciding if I want this
My WLAN is set up with WPA2/AES PSK
and a guest network with web auth
Examples of parameters:
which Radio policy (bgn or gn)
Aironet IE?
MFP (disabled or enabled)
QoS profile?
can CCX location measurement affect performance?
Which Data rates should be set mandatory/enabled/disabled?
MCS (data rate) settings for 802.11n
anything I have forgotten?
The goal is:
A simple, no hassle network providing maximum compatibility with different clients with a plus of 802.11n speeds for compatible clients
wbr
-LA

Hey! I implemented your suggested improvements and the first impression is good!
on 802.11a and b/g I disabled lower datarates, set 12Mbps to mandatory and the higher ones to supported. The instant improvement was the RTT measurements I made (previously they averaged at about 13ms (to an internet site) after the change they dropped to about 3-4 ms on average! I would say this is a very significant improvement!
I have not been able to get any feedback from the user community yet :), but it sounds promising...
I am still looking for some more insight into these issues, so if someone still has some ideas, please let us know!
-LA

A very weird echoey sound.

1. Product Name: HP Pavilion dv6 Notebook PC
2. Product Number: A7P68EA#ABV
3. OS: Windows 7
4. No error messages
5. No changes whatsoever.
6. Problem:
I just bought this laptop and when trying out music files, I noticed that the sound is very weird..like an echoey sort of sound. For example, for a certain song, I can only hear the background music for the most part and the words are very unclear like they're coming from a very deep place. I can't really explain it. I tried downloading like 10 songs and it's the same problem with all of them. I moved the songs to my phone and the sound was normal.
I can sense this effect for the videos as well, only in this case it's less obvious because there's no music.
I also tried different players; WMP, VLC..etc.
Thank you so much in advance for your help!

Hi,
Try a clean install of the audio driver as follows.
Download the IDT Audio installer on the link below and save it to your Downloads folder.
http://ftp.hp.com/pub/softpaq/sp55001-55500/sp55094.exe
When done, open windows Control Panel, open Device Manager and open up Sound, Video and Game Controllers. Right click the IDT device and select Uninstall - you should also get a prompt to remove the current driver, tick the box to allow this and then proceed with the uninstall.
When complete, restart the notebook and let Windows fully load. Open your Downloads folder, right click on the IDT installer and select 'Run as Administrator' to start the installation. When this has completed, right click the speaker icon in the Taskbar and select Playback Devices. Left click 'Speakers and Headphones' once to highlight it and then click the Set Default button - check if this has has any effect on the issue.
Regards,
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience

VERY WEIRD!! Only 802.11a works

Similar Messages

Maybe you are looking for