Network Card Woes

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zared619

zared619

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Sep 9, 2012
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Hi all and happy Thanksgiving,

I just finished putting together a new PC. I got a TP Link TLWN781ND wireless card, installed everything and during initial set-up in my living room (in direct view of router) the internet access and connection was fine. I moved the PC into my office (2 rooms away from the router) and the signal strength dropped to 1 or no bars of connectivity and couldn't maintain the connection. I know that wireless works well in that room as I've tested both my phone and laptop in their with no issues at all. Regardless, I decided to try out my Edimax USB adapter EW-7811Un N150. I could connect to the network and it said I had internet access, but it would try to load a page for a relatively long amount of time without ever actually loading it.

My router is a DIR-655 if that helps at all. Normally I consider myself to be relatively good at troubleshooting this kind of stuff, but this one has me stumped.

Any and all input is greatly appreciated.

 
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zared619

zared619

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Sep 9, 2012
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The router is in the best possible location for access throughout the entire house. It's 3 walls, just wood and drywall. The location of the router and the availability of access is not the issue. My laptop and phone work fine in there. It's a software or hardware issue.
 
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ttjambe

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Sep 7, 2013
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Check for interference. InSSIDER can take care of that or any other apps. Are you getting dropped packets? If you know your way around your router admin pages, try changing channels and make sure Power is set to its highest.
 
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zared619

zared619

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Sep 9, 2012
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There's no major interference and I did check to make sure broadcast power was set to the highest possible setting. The issue is not signal in the room. As I've said, other devices work just fine. The issue lies in the network adapters for the desktop.
 
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bill001g

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Aug 9, 2012
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Did you try your USB device on a USB extender or directly plugged into the back to the machine. Those really tiny USB adapters tend to not work real well because the antenna are small and it you plug them directly into the USB slot they are almost inside the machine itself which blocks a lot of the signals.

The big downside to PCI cards is that the antenna are located very close to the metal case and many times people put these under a desk against a wall blocking the path in many direction to the antenna. It tends to be rather expensive to get mircowave rated extensions so you can move the antenna away from the case.

The USB ones of course it is a $3 for a 15ft extension cable but the antenna on most USB are not the best and those tiny USB things are the worst.

Hard to say, I can see a small difference between your devices but large ones would be tough to explain. Antenna in laptops tend to be the best because they are large and located behind the screen which tends to be optimum.

You best bet may be a USB device with external antenna on a long USB cable
 
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