Wireless Adapter Laptop Experiencing Limited Connectivity

Mar 28, 2011

Recently i am experiencing "limited connectivity" on all of the networks I try to access the internet with my laptop.My computer runs Vista Home Premium Service pack 2 and has an Atheros AR5B91 Wireless Network Adapter. To this point, I have tried turning off the wireless functionality on my laptop and turning it back on as well as disabling the adapter and re-enabling it through Control Panel --> Device manager.I have run into this problem on a home wireless network, a 3G mobile hot spot as well as a public wifi connection.

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Limited Connectivity Ms Virtual Wifi Miniport Adapter

Dec 28, 2011

I have created a virtual WiFi hotspot in win 7 laptop with following commands. netsh wlan set hostednetwork mode=allow ssid=wii key=abcd1234 Now there is a 'Wireless Network Connection 2'(MS virtual WiFi miniport adapter) in my network connections. netsh wlan start hostednetwork WiFi hotspot started and visible in my other wifi device. But the device shows limited connectivity and i can not use internet not even local access to laptop.

My observations - I found that the IP address and DNS of WiFi miniport adapter is 192.168.11.1 But the IP assigned to my other device is 169.XXX.XX.XX which is not in same subnet

So how to set the WiFi miniport adapter of my laptop to assign proper IP address(within subnet) to my other device. So that i can get rid of LIMITED CONNECTIVITY ISSUE .

C:Userssam>ipconfig/all
Windows IP Configuration
Host Name . . . . . . . . . . . . : samlaptop

[Code]......

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Wifi Network Adapter Randomly Gets Limited Connectivity And Freezes?

Apr 25, 2013

I'm having a really annoying problem which is making my laptop almost unusable and a hassle to use. After a while of my laptop being on, my wireless network adapter will suddenly get "limited connectivity", and won't connect to the internet.Disabling and enabling the adapter will cause my computer to freeze, requiring a restart. The same with troubleshooting. The only thing which fixes this is a fresh reboot, however it always occurs again within the hour.Sometimes the entire adapter will randomly just disable itself, and the computer will completely freeze, meaning I have to press the power on/off. Sometimes the adapter will just disappear from Device Manager. Searching for "plug and play" devices will cause it to freeze.

Apart from having to reboot, what also seems to work is disabling the wifi from PC Settings, putting the computer to sleep, then awaking it and turning wifi back on. I've had to do that 6 times whilst typing this post.I've tried flushing my dns, registering it, renewing and releasing. Assigning a static DNS address. All those things. Though I may have done them wrong.Operating system: Originally came with Windows 7 64bit installed, issue began on this.I installed Windows 8 64bit Pro a month ago, did not reset settings. Problem persists[CODE]

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Wifi Network Adapter Randomly Gets Limited Connectivity And Freezes

Apr 25, 2013

I'm having a really annoying problem which is making my laptop almost unusable and a hassle to use. After a while of my laptop being on, my wireless network adapter will suddenly get "limited connectivity", and won't connect to the internet.

Disabling and enabling the adapter will cause my computer to freeze, requiring a restart. The same with troubleshooting. The only thing which fixes this is a fresh reboot, however it always occurs again within the hour.

Sometimes the entire adapter will randomly just disable itself, and the computer will completely freeze, meaning I have to press the power on/off. Sometimes the adapter will just disappear from Device Manager. Searching for "plug and play" devices will cause it to freeze.

Apart from having to reboot, what also seems to work is disabling the wifi from PC Settings, putting the computer to sleep, then awaking it and turning wifi back on. I've had to do that 6 times whilst typing this post. I've tried flushing my dns, registering it, renewing and releasing. Assigning a static DNS address. All those things. Though I may have done them wrong.

[B]Specs:[/B]
[B]Laptop model: [/B]Samsung RV511 (i5) notebook from around 2010
4GB RAM, Intel(R)Core(TM) i5 CPU M 480@ 2.67GHz

[Code]....

It's the latest driver according to Windows. I keep uninstalling the driver and installing random ones from 2006, 2011 etc however the same problem persists. I've tried uninstalling the driver and just rebooting, but problem still comes back after a while.

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Apr 25, 2013

making my laptop almost unusable and a hassle to use. After a while of my laptop being on, my wireless network adapter will suddenly get "limited connectivity", won't connect to the internet but will still get the router.Every single Xirrus test fails.Disabling and enabling it will cause my computer to freeze, requiring a restart. The same with troubleshooting. The only thing which fixes this is a fresh reboot, however it then occurs again within the hour.Sometimes the entire adapter will randomly just disable itself, and the computer will completely freeze, meaning I have to press the power on/off.Apart from having to reboot, what also seems to work is disabling the wifi from PC Settings, putting the computer to sleep, then awaking it and turning wifi back on.

Specs:

Samsung RV511 (i5) notebook from around 2010
4GB RAM, Intel(R)Core(TM) i5 CPU M 480@ 2.67GHz

Came with Windows 7 64bit installed, issue began on this.I installed Windows 8 64bit Pro a month ago, did not reset settings.

Broadcom 802.11n wireless network adapter
Device ID 4727
Driver date: 13/03/2012
Driver: 5.100.245.20

It's the latest driver. I keep uninstalling the driver and installing random ones from 2006, 2011 etc however the same problem persists.I've tried uninstalling and just rebooting, but problem comes back after a while.This is my IP config when the adapter can't find a connection:

Microsoft Windows [Version 6.2.9200]
(c) 2012 Microsoft Corporation. All rights reserved.
C:UsersStefan>ipconfig/all
Windows IP Configuration
Host Name . . . . . . . . . . . . : Zangara-RV511
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No

[code]....

And this event/error seems to be appearing in my Events log."Your computer was not assigned an address from the network (by the DHCP Server) for the Network Card with network address 0x001BB1A80E96. The following error occurred: 0x79. Your computer will continue to try and obtain an address on its own from the network address (DHCP) server." DHCP-Client Massive guess, something wrong with my DHCP or DNS? I've tried assigning fixed DNS addresses, this didn't work.And I always get this one constantly:"Failed to schedule Software Protection service for re-start at 2113-02-08T21:58:11Z. Error Code: 0x80041316" Security-SPP

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- coincides with a recent installation of Windows XP Service Pack 2, which I have not done.

- I'm using Windows 7, just FYI

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when I was running a virus scan on my laptop. About halfway through the scan it had picked up 3 infected objects. I was using a different computer while I waited for the scan to finish and when I came back in my laptop had mysteriously shut itself down. I rebooted it and got the whole "Windows was not properly shut down" thing with the options to restart in Safe Mode and such. I just restarted it regularly and when I got back on that's when I noticed that I had no internet. I re-ran the virus scan and got rid of all of them. I'm not sure if it has anything to do with my lack of internet, but I figured it was worth mentioning.

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Processor Count: 4
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Working Laptop (XP) -IP config All -
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:Documents and SettingsAdministrator>ipconfig /all

[code]....

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[code]...

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