Airport Basestation A1143 slow connection with PC Lenovo Laptop

I have a strange mystery in my hands. I was issued a company laptop for work, a Lenovo T420 running Windows XP. During work I am on the intranet and wifi if I'm at Starbucks or other wifi areas. At home I have installed an Airport Basestation A1143 and had updated with the latest firmware 7.6 I believe. I have my personal PC running Windows 7 and I have a Powerbook G4 and I watch Netflix streamling thru my Wii. All connections are fine and dandy until I turn on my work laptop. The T420 connection is so impossibly slow at home. My default browser is Explorer but I have used Chrome and it is still slow, so slow that if I want to log in to vpn for work, it would time-out. My initial suspicion was there's something wrong with my T420. However, countless useage at non-Airport basestations proved me wrong. I even visited Apple store this evening and the basestation check out fine and the Mac Genius told me to connect the store's wifi and the same problem occured, is it just my laptop is not compatible with Apple wifi ?

Cordless phone interference is the most common cause of wireless network slow downs. Do you have any cordless phones there?
Do you have any kind of electrical device close the AirPort Extreme? Any other electronic devices need to be as far away as possible from the AirPort Extreme. That may mean that you need to get a longer Ethernet cable and move the AirPort Extreme to a better location away from other electronic devices.
A wireless keyboard and/or wireless mouse can cause problems as well if you are using them. Try to connect using a wired keyboard and mouse if you have them available to see if that makes a difference.
Apple' s support document on Wireless Interference will give you more ideas as well.
http://support.apple.com/kb/HT1365?viewlocale=en_US

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I was having problems but upgrading to 2.28 seems to have helped me in addition to a few other changes I made based on this review of the 4510L
http://www.anandtech.com/show/4500/novatel-wireless-mifi-4510l-review-the-best-4g-lte-wifi-hotspot/4
1) "selecting WPA2 Personal/PSK (AES)"
2) "manually selecting a channel (instead of Auto) fixes almost all the instability problems"
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4) I also changed my 802.11 Mode to just one mode that works on both computers at my house
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It is my only internet service due to my semiremote location (no cable etc) and when I first got it as a replacement for my dependable 2200 I was about to pull all my hair out. I was "forced" into it because due to antenna issues on a local tower that supplies my 3G signal my 2200 wasn't even able to load my gmail account. Verizon very helpful on that - call us if its still an issue in a "few weeks"! However, when I inquired about the antenna's effect on a 4G signal, an intelligent tech was able to tell me that it was not the tower I would be getting a 4G signal off of - odd but I didn't question that possibility.
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My airport extreme only will connect with computer or ipad not both

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We need just a bit more information, please before we can begin to accurately troubleshoot this issue.
1) What is the make and model number of your modem?
2) What operating system are you using on the MacBook Pro at this time. Your tagline indicates that you are using OS X (10.4.8), but this is about 6-7 years out of date.
If you are no sure which operating system your Mac is using......click the Apple icon in the upper left corner of the screen, then click About This Mac. Post back with the OS X Version number that you see there.

We use one windows machine and two mbp's (post 2012) at home. We have a modem *** router from a non apple vendor that airport utility finds and connects with absolute ease. But doesn't stay connected. The signal drops often, what can I do?

We use one windows machine and two mbp's (post 2012) at home. We have a modem *** router from a non apple vendor that airport utility finds and connects with absolute ease. But doesn't stay connected. The signal drops often, what can I do?

No, not all network clients -- only the two mac portables and they run together very rarely. The windows machine is hardwired to the modem router combo, and that's always sailing smooth. The mbp that is most used is perhaps 20 feet max from the router - and in another room. But it also happens when I take in into the same room as the router. On occassion, I have noticed while using network diagnostics, that one digit in the IP number sometimes appears to go awry. I then try to set up manually - and it works for a bit but is hugely erratic.
I rigged a hand me down airport express and set up a separate network for the two macs and it ran beautifully for some weeks, but that little piece is now dead and none of the retailers in my suburb seem to have one in stock. I don't want to be forced to buy an airport extreme and here in India, there's no trustworthy online ordering option.
The man from the ISP's been here several times and I don;t think it is a modem/dsl issue because the smartphone connects and the macbook drops when both are the same distance from the router? I am truly foxed and intensely irritated! :-(

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There are many apps in the App Store for transferring files between a computer and an iPhone using a cable, WiFi, or a cloud connection. Box and Dropbox cloud services are the easiest to use; I use Dropbox routinely to transfer business documents to our offices around the world.
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Got new ATV and all set up. It keeps loosing connection with iTunes on laptop and have tried everything suggested in set up guide. It works fine for a while then the iTunes account vanishes from 'computer' menu TV screen. Full Wifi signal on both devices

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Sorry, I updated another thread I was a part of but didn't update my own thread.....ughhh!
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Here is a link to the other thread I was referring to above:
https://discussions.apple.com/message/19952545#19952545
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Hi. Before I start, I hope there are some who suffer the same problem as me.
First of all, I have a problem with my MacBook and Airport Extreme. The Network I created with Airport is getting really slow or unconnected with my MacBook. So I tried to reset both the modem and Airport. Actually, it kinda works, however this problem occurs later.
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zdawg77 wrote:
I too am having very slow connection speed issues with two of my white macbooks, both running 10.6.2, same airport extreme wireless adapter (built in). The strange thing is, these two macbooks came in a macbook 5-pack, and the 3 other laptops all have excellent speed. Nothing different has been done with these 2 laptops - all were updated (albeit the 2 were much slower to download the update), with nothing new installed otherwise...
There were some Macbooks that had an issue with the screws holding their internal AirPort cards in place loosening, resulting in noise and lower signal levels from the antennas.
You may want to try taking one of the affected Macbooks to a local Apple Store and see if you experience the same issues on their in-store network.

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I have exactly the same issue.

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I had exactly the same problem. I also think it's a bug in 7.6. It seemed solved by downgrading my Time Capsule (TC) and my Airport Extreme (AE) to 7.5.2. To do so start the Airport Utility (in your /Applications/Utilities folder). Double click on the TC or AE. In the Menu at the top on your screen go to "Base Station" --> "Upload Firmware..." and the select 7.5.2. After rebooting your device, downgrade the other. Hopefully your problem is solved as well!

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Nevermind, I figured it out through a guessing game

My airport express is not connecting with my airport extreme base station. They are probably six years old. My IP address on my express shows 0.0.0.0

My Airport extreme and my airport express are not connecting together. I get an error message saying that my airport express software is not compatible with my Airport extreme and I have use them together for the past five or six years. It says I may need to change my IP address on my computer or something like that but I don't know what to do. the IP address on my express shows 0.0.0.0. Should everything be on the same IP address? Any help would be greatly appreciated. Thank you

Please refer to the information already posted above:
If you see A1084 or A1088 there, your older Express is not supported by the newer version of AirPort Utility that you have.
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Is your Extreme an 802.11g (domed-shape) or 802.11n (squarish) model? Do you have the Extreme connected to the other router by Ethernet? Finally, is the Extreme configured as a bridge, i.e., Connection Sharing = Off (Bridge Mode)?

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HELP please someone!
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Really quick to use, just slow as **** on the net!
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How about the built-in Windows firewall - is that also active?
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Airport Basestation A1143 slow connection with PC Lenovo Laptop

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