My wireless receiver has limited connection

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Lawman093

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May 2, 2014
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When I log onto my computer my I have to disconnect from my network and reconnect to it because it says there is a limited connection. This usually solves the problem and I thought nothing of it as it only happens when I switch on my pc.

But recently my connection drops when I'm in the middle of playing an online game or just on the internet, which is starting to get annoying. I feel like the connection is very stable at the moment, it was perfectly fine 2 weeks ago.

I know it has nothing to do with my router or network provider as the other computer works perfectly fine.

I have a TP-Link N900 wireless dual band pci express adapter, which the drivers is fully up to date ( qualcomm atheros ar938x)

It will be great if anyone can help me with this, thanks.
 
Solution
B
Download a wifi analyzer tool and see if your neighbors have interfering signal

iOS/android has apps called wifi analyzer
for PC search for "free inssider" and download that (the newest versions are no longer free)
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Lawman093

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May 2, 2014
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I have done as you asked but it made no difference =(
 
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Solandri

Solandri

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Jan 4, 2012
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I lived with a similar problem for over a year (had to open up a command prompt and type ipconfig /release, ipconfig /renew every time I wanted to connect to a new network).

Eventually I fixed it with instructions I found in this thread:
http://community.spiceworks.com/topic/251040-ip-address-not-updating-when-connecting-to-new-wireless-network

Only the last answer is relevant so I've reproduced it below. I think the problem is caused by some security software not uninstalling cleanly.

clarkey1891
Pimiento
clarkey1891 Mar 3, 2013 at 2:35 PM
We have had this issue for the past 3 years now and only just really fixed it


First we had the issue with Symantec Endpoint Protection so ran the steps I advised previously which had a small success across test PCs


Second we found that we still had the problem so started to look else where on the network for the cause. We finally found our thorn in a GPO we created that added a registry key


HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Tcpip\Parameters


DWORD - DisableDHCPMediaSense = 1


We found that we needed to change it to = 0 not just remove for the problem to be fixed somewhat. It does automatically change IP address now between networks but can take 15 to 50 sec. to do so which is great for us


the GPO now appears like this:-


Computer Configuration (Enabled)
Preferences
Windows Settings
Registry
DisableDHCPMediaSense (Order: 1)
General
Action - Update
PropertiesHive - HKEY_LOCAL_MACHINE
Key path - SYSTEM\CurrentControlSet\services\Tcpip\Parameters
Value name - DisableDHCPMediaSense
Value type - REG_DWORD
Value data - 0x0 (0)

Commonhide
OptionsStop processing items on this extension if an error occurs on this item - No
Remove this item when it is no longer applied - No
Apply once and do not reapply - No
Click to expand...
 
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Lawman093

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May 2, 2014
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what am I meant to do then?
Sorry the post was a bit to technical for me to understand
 
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Solandri

Solandri

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Jan 4, 2012
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Start up the registry editor (search for regedit).

Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Tcpip\Parameters

Look for a value DWORD - DisableDHCPMediaSense = 1

If it's present, change its value from 1 to 0.

If it's not present, then this is probably not your problem. But it's worth a shot. You can try creating a new DWORD, name it DisableDHCPMediaSense, and set its value to 0.

Be very careful messing with the registry. A typo or changing the wrong value can make your computer unbootable.
 
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