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Three Laptops, One Router - The Speed On Two Is Normal And The Other Is Slow

Last response: in Wireless Networking
January 3, 2014 4:37:34 PM

As the title suggests, we have 3 laptops in our home. Two of them reach normal speeds off our router, and mine only gets a quarter of the speed and has since the router and internet were set up. At first I thought it was a virus, so I virus-scanned and nothing. Then I thought it was a wireless card problem, but anywhere else I go, I get the speed I should from whatever internet I'm using along with the other laptops, so it's not a wireless card issue either. I've tried so many things that have gotten me nowhere, including wiping the laptop and reinstalling Windows. Nothing's helped, and it's really irritating.
January 3, 2014 4:51:57 PM

Could the slow laptop have a weak or disconnected antenna?
January 3, 2014 5:36:45 PM

If that were the case, wouldn't it affect the speed on any internet?
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January 3, 2014 5:39:39 PM

If your connection is poor in one location, you might be running slower than if you take the laptop to a location with a stronger signal.
Do I misunderstand the issue?
How are you measuring speed?
January 3, 2014 5:55:18 PM

I'm using to measure the speed. But I don't need that to know there's a speed problem. I get 1.5mb/s easy downloading something on the two normal laptops, but only get a max of 400 kb/s on mine. I stick all 3 laptops right next to each other at home, both near the router and away from it, and the two normals get around 11.5 mbits (our net speed is 12 mbits), but mine only hits about 3 mbits. But if I'm somewhere else and use a different internet (i.e. my grandparents'), my laptop hits the same speed as the other 2 laptops and the speed is what it should be. It's only on our internet that my laptop is slow, and I haven't messed with any settings from when the internet was installed, so I don't know what the problem is.
January 4, 2014 6:36:32 AM

I can see why you are perplexed.
Fortunately you have a repeatable test you can use.

There has to be some difference.

Are the laptops all the same? Does one have a weaker cpu or some other difference?

Is the net speed the same at both your and your grandparent's locations?

At home, when connected, open the network sharing center.
click on the connection and see what the connection speeds are.

There is a properties tab with a bunch of options.
Match the good and bad ones up and see if there are any differences.

See if the settings differ at the GP house.

January 4, 2014 2:15:07 PM

The laptops are all different. The speed at home is 12 mbits and it's 20 mbits at my grandparents. But the thing is, this has never happened until now. Regardless of where I've been, I always got the speed I was supposed to. Except on the internet we have now. And if I plug in via ethernet, I get the speed I should. So it's strictly a wireless issue relating to our internet alone. I don't know what more I can do that I haven't already done.

Best solution

February 4, 2014 2:34:48 AM

Hi there. Hopefully you have already sorted your problem, but just in case you haven't.
I had exactly the same problem. If I was watching Youtube and anybody else in the house started using the internet I would start freezing and what was particularly annoying was that mine was the newest and supposedly the fastest of all the devices in the house.
When I checked the 'Wireless network Properties' for the connection in the 'Network and sharing center' I found that the other devices were using the 'AES' encryption type while my laptop had automatically chosen 'TKIP'. As soon as I changed mine to 'AES' my bit rate went from 54Mbps to 72Mbps.
I hope this helps.