Macbook keeps dropping wireless connection

Hi
this is my first post so be gentle with me LOL
I have had many issues with BT over the last 8 months, mostly due to the speed I had in my area (was 0.45MB when wired at one point), but I recently started to have an issue with the laptops in the house.
I have 2 teenagers and luckily for them we all have Macbooks as I have given them my old ones when I have upgraded I am using a macbook pro (less than a year old & wireless N) and my eldest boy is using a Macbook (about 6 years old with wireless G) you might see where I'm going here....
the problem is the older macbook keeps losing connection on the wireless, I have called and spoken to the 1st line support guys in India but it's a bit of luck if you can understand them let alone find someone who knows what they are doing. As I work in IT I completely understand and normally ask them to read my notes before advising me especially as I had so many issues last year when I was given a number to get through to the priority care team LOL , so far I have tried the following:
moving the Hub 3 to several locations around the house
reinstalling snow leopard
using a wireless dongle
I live in the middle of nowhere so there are no other houses around which have a hub3 sp none can be affecting me and I've checked this by using programs like inSIDDer.
Finally I thought I'd take it to work to see if I could get the model number of the wireless card and order a new one and guess what it works fine!! So I thought I'd check at a friends and again it works fine for the whole time I'm there.
Brought it home and it won't stay connected GRRRAAA!!!!!!!
I've heard that the hub3 doesn't like having a wireless N & and wireless G laptops on the connecting at the same time is this correct? Has anyone else heard of this?
finnally I do have windows machines in the house and none of them (2 laptops and a desktop which is wired) are having an issue but the Sony TV which is wired directly in to the hub will also drop connection randomly between 8 PM and 10 PM every day so I'm leaning towards the hub being a rubbish router instead of the problem lying with my Macbook

There is some help with wireless connection on this page.
Wireless problems and things you can try, to resolve them
There have been other reports of connection issues with Apple products, including Macbooks. A forum search should find the threads relating to this.
There are some useful help pages here, for BT Broadband customers only, on my personal website.
BT Broadband customers - help with broadband, WiFi, networking, e-mail and phones.

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Hi. You may need to do firmware upgrade on your router as is the case these days for legacy routers. What is the hardware version by the way? You can find it at the bottom of the router right after the tiny print of the model. Access homesupport.cisco.com and search for the model. When you get the router's page click downloads below support sections and from there you have to select the hardware version, once you do that you will see the firmware version for the said hardware version. Usually it is a bin file when you save it and you can open that one on the router's page. Once you access your router's page go to Administration and click Firmware Upgrade and select the file you downloaded from the website. Make sure that you do this upgrade with a computer plugged-in to the router. When upgrade is done, you do a 30-second reset and unplug/replug the router also for 30 seconds. You may refer to this link http://www6.nohold.net/Cisco2/ukp.aspx?pid=80&vw=1&articleid=4030.
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http://www6.nohold.net/Cisco2/ukp.aspx?vw=1&docid=d9a3b1b2039741948a2365b053a93ea8_3759.xml&pid=80&r...
Try to change channels as well on your router: you can try 1,3,6,9. Make sure the router is placed at least 3 feet above ground and check the antenna as well if it is still okay.

Macbook keeps dropping internet connection but other devices are fine???

I work from home & this is making me completely insane. My MacBook will drop the wifi connection constantly, I will be doing things just fine & the all of a sudden I will not be able to load something & any tab/page I have open will be "spiraling" or loading and get frozen up. My gmail contact list will all go to offline and I get a message that gmail lost connectivity. The bars on the top right of my monitor showing wireless connection will always be there (usually all 5 are dark), and it will say (both under that icon & in System Preferences-Network) that I am connected to my airport extreme. Sometimes my Skype icon at the top will stay green & logged in, but most of the time it goes grey/offline as well. I lose connectivity for anywhere from 2 min to 15 min 5-6 times a day (and that is just when I'm on the computer, I'm not on it all day) and then it just spontaneously comes back again.
My husband has a MacBook also & will have no problems even when I am having problems, and my ipad will get on our wifi no problem at the same time, so I know it is not the router/modem. This computer has been giving me trouble for months, with slow connections previously and then not being able to connect to wifi at my mother's house and then in an apartment we were living in temporarily, but I thought once I was back on my own Airport it would be ok and now it is worse. Firefox doesn't work either, so it is not Safari, although I use Safari primarily & it starts in there (and I got to Firefox to double check & see if I can get online in there which I can't).
I went to the Genius Bar the other day & was beyond frustrated, as the guy 'pinged' google 100 times with no problems, checked settings, ran some diagnostic & visited a few websites, told me nothing was wrong, he didn't know what to tell me and just looked at me like I was crazy, then started messing around on his ipad and ignoring me. When I asked if maybe my computer got infected or corrupted by something he again just stared at me and said there is no known virus for the Mac OS. He gave me NO advice, nothing to look for diagnostially when it occurs again so I feel like I'm at a total loss here. Please help.
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Hi Lisa,
Seems we have a similar problem and it is driving me nuts.
I don't have the password problem, but my connection drops out for 2 minutes and over.
If you bring up the diagnostics window from the prompt on the Safari page, when pages won't load again, it will tell you that everything up to the last 2 options is fine.
I've had the problem ever since I upgraded to the last MacOs, might have been for over a year now.
Since a couple of weeks I actually found that when no page is loading at all, go to the search field in the top bar of Safari. (my default is Google) it will actually bring up the Google page, then open just any other page and usually that will let you continue to browse the internet untill it plays up again.
I know it is very annoying but untill a fix or a solution this will have to be the way for me to work around it.
Finding the time to reinstall Lion is probably the best option.
Hopefully someone else does have a better solution for the time being.

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I tried looking up your router online to see if I could find anything else out. Didn't find too much info, but it says that you get free 24 hour tech support. You don't see that too often. If you can't figure it out, give them a call.
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Windows 7/8/8.1 Is Network Discovery on or off?
Control Panel/Network and Internet/Network and Sharing Center/Advanced sharing settings.
Under Home or Work (current profile) / Network Discovery.
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Say thanks by clicking the Kudos Thumbs Up to the right in the post.
If my post resolved your problem, please mark it as an Accepted Solution ...
I worked for HP but now I'm retired!

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666eyes wrote:
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Hello everyone,
I bought my T420 model with N6205 network card last December, since then, the wireless connection never functions well. Here's the problem(it happens in my apartment):
Every once in a while (normally within four to five days), my wireless connection drops automatically. It would first appear as no connection and it'll try to reconnect, then it appears as successful connected for 5 to 10 seconds(but definitely no internet access), and it'll drop the connection completely again, then automatically repeat :reconnect, drop,reconnect, drop ... never stops. Though I can still use cable to connect to my router to have internet access.
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Of course, regular approaches have been taken trying to solve the problem:
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failed
2. reboot computer
failed
3. go to power manager and turn PCI express off
failed
4. uncheck allow the wireless LAN radio to be turned off when inactive
failed
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failed
6. restart router
successful
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I changed to a new router, the problem persists.
There's no way I can restart the router every time when my laptop looses connection, it'll affect the other users.
Based on the description of my problem, I believe there's a great chance there's something wrong with my T420 rather than with my router.
Is there anybody who can help me with this?
Can lenovo staff see this post?
Any suggestion about who I should turn to?
Thanks a lot.
T420,
i7 2640M, N6205
Windows 7 professional, 64 bit

What security mode are you using.
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I have the 1x1 card and it pretty bad connecting at 24 to 48 Mbps only with a good signal. I don't know why Realtek is used in a Business class notebook. Maybe some others can add what they have and is working 100%.
T520 Model 4239 Intel(R) Core(TM) i7-2860QM CPU @ 2.50GHz
Intel Sandy Bridge & Nvidia NVS 4200M graphics Intel N 6300 Wi-Fi adapter
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Hi,
We have many MacBook pros that are having a hard time staying connected on wireless. Often times a user can be connected for only minutes at a time. Our wireless environment consists of 1142s and 3502 series access points. We use WPA2 Enterprise for authentication via ACS server 5.x.
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*we use Lion OSX on our Macs.
This Discussion has been converted into a Document:- https://supportforums.cisco.com/docs/DOC-26228

Consol, telnet or ssh to the WLC and enter this command:
config advanced eap ?
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eapol-key-timeout Configures EAPOL-Key Timeout in milliseconds.
identity-request-retries Configures EAP-Identity-Request Max Retries.
identity-request-timeout Configures EAP-Identity-Request Timeout in seconds.
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G5 iMac keeps dropping wireless connection

I've tried all the steps in this discussion -
http://discussions.apple.com/thread.jspa?messageID=10695921&start=1
- and I keep getting an intermittent network connection.
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- a Dell notebook running Windows 7
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Well, it pays to question your assumptions.
Despite the fact every other device can connect to the router with no issues, it turns out that moving the router to a different location made a huge difference for the G5 iMac.
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