Wireless Signal Drops Every Few Minutes; Impossible to Load/Use Chat Client

Hi,
I have an iBook G4 laptop with an Airport Card installed under the keyboard (I guess it's Express? Not sure). At home, my roomates have a Windoze PC desktop using Verizon DSL connected with a Westell Modem and a Linksys Router for wireless access. This connection seems stable and is always on, as their AIM client is always running and shows no connection disruption. She also has an IBM laptop, which connects wirelessly through a Linksys card, and while I'm not sure whether she has any connection disruption or not, I don't think so or else I probably would have been asked to take a look at it by now Although, it isn't "always on" like the desktop, so I'm not sure.
I am accessing her DSL connection wirelessly, as I've mentioned, through my iBook. When I am browsing the Web however, I sometimes try to link to a page just when the connection is resetting, so I receive the "page cannot be displayed because you are not connected to the internet" warning. If I immediately refresh the page, it usually loads right away. Sometimes I have to reload 2-3 times, but it always works without having to tweak any configurations in Network at all.
This is a little aggravating, but liveable. Except for the fact that I am unable to run a chat client at all, since the signal drops intermittently and the client has to constantly resign on, and holding a chat conversation with constant disconnects would be impossible.
If I had to guess, I'd say the connection resets itself at least every 15 mins or so, maybe more.
I'm wondering if anyone else has any problem of this sort? Do I need to tweak some sort of settings? Any help would be appreciated.
Thank you!

I am having a similar problem. I am using a Powerbook G4, with three airport expresses (one per floor on the house). Often, I get a messages saying that I am not connected to the internet and sometimes if I wait it will reconnect and sometimes it doesn't. When it doesn't, I check the settings on the Airport Express (AE). It seems that the password to get me on the network had duplicated itself so it's now 26 characters long instead of 13. I have two other computers on the network, a PC on Windows XP and a new iMac (when I say new, I mean two weeks old, already out of date PowerPC). ANYWAY, they work fine. I am thinking that they other computers are using signal from the two remaining AEs that are working closest to the base/internet connection.
I put a call into Apple three times and we basically just keep throwing out my system configuration files in my user, and then starting from scratch. So far that has not helped the problem.
I think the most important thing to note is that I have upgraded all three of my AEs to v6.3 and this is when the trouble started.
Has anyone any solutions?
Also, what happened to the spell check feature that used to be here for posting messages?

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FRUSTRATING!! 4 month 27" iMac. WIFI drops every few mins.

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What is the point of a high end computer when it cannot hold on to a wifi which my $500 Dell holds seamlessly and so does my iPhone and Wii.
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Hi
I may have a fix for you. It requires you to change your WiFI security from WPA/WPA2 to the (lower) security but effectively still pretty secure WEP. You can use the 128bit security. Some routers seem to have a problem with the passwords of WPA - I don't know the technical stuff but its happened to me not just on a mac network but on a Windows XP network aswell. I offer this to you because it worked for me, and is still working.
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Now, in Network Preferences under Network Name type the SSID of your wifi network exactly as it is on the router. The iMac will find the network and offer you a box to enter your WEP password. Type it in exactly as you remebered/wrote it down. You should now be connected to your Network using WEP security.
You shouldn't have any more problems with dropping wifi connections after sleeping your iMac and in most real world situations you will still be spretty secure.
I offer this fix "as is" - if you don't feel competent to make the changes then don't - just ask someone who does know!
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Bought HDMI adapter to play movies from my iPad but it will stop every few minutes, Bought HDMI adapter to play movies from my iPad but it will stop every few minutes

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I recieved my iPhone 3GS around Christmas. It has been working great, until yesterday. I was downloading an app and suddenly my messaging froze. I couldn't view incoming messages, and every chat I clicked on displayed the same frozen dialogue with only the contact names different. (The app was supposedly reliable, I read over the reviews.) I rebooted my phone in hopes of fixing this, and everything seemed fine for a couple of minutes. Then the screen slightly flickered, and my phone restarted itself. Now, after turning on again, it continues to flicker and crash every few minutes, whether I'm using it or not. Can anyone tell me what could be wrong and how I can fix it?

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"mb1870" <[email protected]> wrote in
message
news:g3cpii$qd3$[email protected]..
> Every few minutes as I am using Dreamweaver CS3 (under
Vista SP1), the
> program
> becomes unresponsive and my processor maxes out (the
Task Manager shows DW
> as
> hogging the CPU). I wait for what seems like minutes --
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> timed the intervals between them to see if it is a
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> seems as
> thought Dreamweaver is busy doing something but, for the
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> don't
> know what as it happens regardless if I've made any
changes to files or
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> it happens if I just sit there and watch it. Anyone else
have this
> problem? Gord
>

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Disconnect/Reconnect every few minutes

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Dragonfly22 wrote:
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====================================================================================
Error exists between keyboard and chair.

My Airport Extreme Disconnects From the Cable MoDem Every Few Minutes

Hello,
I start a new topic as my previous title was wrong and there was no suitable answer.
I have had an Airport Extreme for 3 years and it sometimes disconnects after a few minutes. Actually, it more looks like that the Airport crashes: the "PC Link" light on the cable modem goes off, the Airport lights go off and I cannot find my Airport Network any more on my computer.
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I have had similar problems. Not as bad as some of you but usually in the morning I discover that I have dropped onto someone elses wireless they are not as fast. Then I have to troop upstairs, unplug the Extreme, replug it and then everything is allright until the next morning. But it is sporadic. It has run fine now for a few days. This problem has persisted now for a year. And yes I have tried resetting it.
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I don't know why, but my airport keeps disconnecting every few minutes, although it reconnects after that.
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Hi!
I've got an intel wifi card (Network controller: Intel Corporation Centrino Advanced-N 6230 (rev 34)), using iwlwifi. Every few minutes I get disconnected from the AP and when trying to reconnect it fails most of the times. Reloading iwlwifi or the networkmanager doesn't help. Is this a bug or may be something wrong with my configuration?
Thanks!
Edit: I am using a Toshiba portege laptop
Last edited by jackgu1988 (2012-02-02 16:52:55)

Hi all,
I've installed Arch Linux recently on my laptop and I've been experiencing the same problem myself. I tried jumping from Gentoo forums to Arch Linux forums to you-name-it forums to find an answer to this problem but nothing worked for me.
In these forums, you will find many posts with commands that say that fix that problem (this post will be eventually one of them) but somehow fail to do so in your laptop. I don't know if there is an one-answer-fits-all, but through these searches -and some experimentation of my own- I've found a rather aggressive approach to make my wireless connections more robust. I disabled IPv6 and most of the card's hardware-intensive options.
Still, since this way probably will not work or appeal to most of you, I'd also like to provide a more coherent approach to this problem, so that you will know where to go to after reading this post (than endlessly Google searching).
Step 0: Know your enemy
The problem I was dealing with was similar to the original poster's and happened consistently. When my signal's strength wasn't good and the network card had lots of traffic (downloading a file while watching YouTube while ...), the download speed would abruptly come to a halt. Removing and re-inserting the iwlwifi module would fix it temporarily, but later on it would relapse. Also, there was no apparent error to troubleshoot, since iwlwifi would print on dmesg only the re-connections and not any error.
The above was experienced with kernels 3.2, 3.5, 3.6, 3.7. I can't say for sure that all versions of these kernels are problematic, so you are free to check it out your self. An easy way to check if patches were issued about iwlwifi in a specific kernel version can be found from here. Just compare the dates of the file changes between different kernel versions.
Also, you might want to know that the wifi was working seamlessly with the 3.3.8 version of the kernel. Thus, if you want to check out a different linux kernel, I'd suggest you start with this one. Obviously, this is for people using Debian or other distros that rely on older kernels. So, our first question would be...
Step 1: What is your kernel?
You can find a description of your system with this command:
uname -mor
My output is:
3.7.1-2-ARCH x86_64 GNU/Linux
Step 2: What is your hardware?
It is very important to know what your hardware is. If you have the same hardware as I do, then you probably have more chances to fix it. If you post a question in another forum and then mark your question as solved, people would like to know what your hardware was. If you send a bug report to the iwlwifi team, they will need your card's model.
So, write:
lspci | grep -i net
My output is:
01:00.0 Network controller: Intel Corporation Centrino Wireless-N 130 (rev 34)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06)
Step 3: What is your problem?
You can see more debug info about your problem by writing:
dmseg
or to filter through these messages:
dmesg | grep iwlwifi
If you see any errors, tracebacks etc. then these are bugs and you'd best search for similar bugs here. If there are no similar bugs, I'd suggest you create a new bug report. The people that answer in this list are core developers of the iwlwifi module and you'd best send them these bug reports in order to help them track down these problems.
Step 4: Solution (?)
GRUB
The are many ways to disable IPv6. I did it using GRUB:
sudo cp /boot/grub/grub.cfg /boot/grub/grub.bak #For backup reasons
sudo nano /etc/default/grub
Add this option "ipv6.disable=1" to the line GRUB_CMDLINE_LINUX_DEFAULT=, so that your GRUB looks like this:
GRUB_DEFAULT=0
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="Arch"
GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1"
GRUB_CMDLINE_LINUX=""
Finally, do:
sudo grub-mkconfig -o /boot/grub/grub.cfg
sudo reboot
to update your grub and restart your laptop. If anything goes wrong, you can restore your grub.cfg file using the backup grub.bak we created above.
IWLWIFI OPTIONS
Provided IPv6 is disabled, you can check in real time which of the following options make a difference, without restarting your laptop:
sudo modprobe -r iwldvm iwlwifi
sudo modprobe iwlwifi 11n_disable=1 bt_coex_active=0 power_save=0 auto_agg=0 swcrypto=1
You can learn more about these options by writing:
modinfo iwlwifi
Hopefully, you will experience no disconnections from now on.
Now, in order to automatically pass these options at startup to iwlwifi, you can create a *.conf file inside /etc/modprobe.d directory.
nano /etc/modprobe.d/iwlwifi.conf
And add this line:
options iwlwifi 11n_disable=1 bt_coex_active=0 power_save=0 auto_agg=0 swcrypto=1
Step 5: This %@#%@ @#%#% doesn't #%@#% work
Well, bummer. I'd highly recommend to inform the developers of iwlwifi about your problem, as I've mentioned above. If the dev list intimidates you, post about this problem here.
Good luck...
Edit
It's likely that you may encounter the following strange behavior when trying to connect to your access point.
Copied form my dmesg:
[ 904.190052] iwlwifi 0000:01:00.0: L1 Enabled; Disabling L0S
[ 904.197452] iwlwifi 0000:01:00.0: Radio type=0x2-0x2-0x1
[ 904.886420] wlan0: authenticate with 00:26:44:b3:16:a4
[ 904.928370] wlan0: send auth to 00:26:44:b3:16:a4 (try 1/3)
[ 904.930494] wlan0: authenticated
[ 904.932220] wlan0: associate with 00:26:44:b3:16:a4 (try 1/3)
[ 904.939798] wlan0: RX AssocResp from 00:26:44:b3:16:a4 (capab=0x411 status=0 aid=2)
[ 904.942701] wlan0: associated
[ 915.641048] wlan0: deauthenticating from 00:26:44:b3:16:a4 by local choice (reason=3)
If the above is coupled with the netcfg's response:
> DHCP IP lease attempt failed.
[FAILED]
then you have just encountered a strange dhcpcd bug, which has nothing to do with iwlwifi.
You can find possible solutions here.
Last edited by Brainfree (2013-02-03 07:24:08)

IOS 6.1.1 wifi gets dissconnected every few minutes

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Is Apple doing anything about this? It seems the communities are full of similar complaints...

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I have a M9 laptop, model PTM91E. The wireless connection keeps disconnecting (then reconnecting again) every few minutes. This happens on every wireless network I try connecting to. Here what I have on my laptop: -
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Wireless Signal Drops Every Few Minutes; Impossible to Load/Use Chat Client

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