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Limited Connection/Windows 8.1/Atheros AR9485


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#1 tburns517

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Posted 26 January 2014 - 09:20 PM

My computer was purchased a month ago, and the connection has been working flawlessly up until yesterday. It shows that I have a limited connection. I have an HP desktop with internal wireless (Atheros AR9485), running Windows 8.1. The router, a Netgear WNR3500v2, is located on another level of the house, but all other wireless devices in the house work fine, which include my laptop that I am currently using right next to my desktop. I have updated the firmware on the router and the driver for the AR9485 and I still have a limited connection. The settings on the router were not messed with at all, so I am at a loss as to why this randomly became an issue. Any help would be greatly appreciated.



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#2 Greg62702

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Posted 26 January 2014 - 10:20 PM

The 3500 is notorious of causing that.  Try a ipconfig /flushdns and a netsh winsock reset catalog in that order, in a Command window as administrator from the desktop.  Press and hold the Windows key, then press the X key to get the right context menu, then left click on the "Command Prompt (admin)" to open the command window, to enter those commands I listed.

 

After done, then do a reboot of the computer.  It also would not hurt to do a power cycle of the modem & router.



#3 tburns517

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Posted 26 January 2014 - 10:26 PM

The 3500 is notorious of causing that.  Try a ipconfig /flushdns and a netsh winsock reset catalog in that order, in a Command window as administrator from the desktop.  Press and hold the Windows key, then press the X key to get the right context menu, then left click on the "Command Prompt (admin)" to open the command window, to enter those commands I listed.

 

After done, then do a reboot of the computer.  It also would not hurt to do a power cycle of the modem & router.

Thanks for the reply. I have done a power cycle of the modem and router multiple times with no luck, and I also tried your suggestions in the command prompt with no luck either. Any other suggestions?



#4 tburns517

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Posted 26 January 2014 - 11:16 PM

A system restore did the trick. I feel the driver may have been the issue on this one, but I did not update any drivers, which I find odd. Maybe it slipped through somehow?



#5 CaveDweller2

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Posted 27 January 2014 - 01:04 AM

Ok, why would you mess with the router and modem if everything else works including a laptop right next to the desktop you are having the issue? You could have removed the wireless card from Device manager and rebooted. It would have re-installed the drivers. It may have fixed it. Sometimes drivers just get a little wonky, I don't know why but it happens.


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#6 tburns517

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Posted 28 January 2014 - 02:17 PM

I guess I haven't fixed the issue. Now the whole wireless connection drops, and every device is affected. I'm pretty much giving up and going to get Comcast out here to fix the issue. I have to unplug the modem and router to get the internet to work for maybe 10-15 minutes before it drops again.



#7 Greg62702

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Posted 28 January 2014 - 03:28 PM

That is most likely a Wireless Router or Wireless Access Point issue.  What is the manufacturer & model# of the Wifi router or A/P that you are trying to connect to.  If in your home, how far are you from it, also how many other A/P's do you see come up, when you left click on the wireless icon in the Task area?






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