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Internet Speed Drops Signifigantly

Last response: in Networking
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March 1, 2014 11:44:26 PM

Okay so for the past week or so, my internet has been having major issues. There would be moments of time where the internet speed would drop to the point of being unusable. It's normally 15 down/1.5 up, but at random periods of times it would drop to like 300 ping, 0.10 down/0.01 up (Not exactly but basically to the point where it wouldn't even open up Google most of the time). The internet would stay this way for 5-15 minutes.

At first I thought it was my internet going out but when this happened, none of the computers would disconnect from the internet (Bottom right would still show full bars/Connected to router), and all the lights on the AT&T U-Verse modem were still lit. I was also able to use the ping command in cmd, but it would have a result of like 300 ms and sometimes time out.

I'm not sure what the problem is. I want to say it's not a virus because all our computers have been scanned with McAfee Antivirus (Is there a surefire way to tell if it's not a virus? We have like 5 computers in the household so running multiple scans with different software would be annoying).

Also, if anyone needs more information, I'm able to check the logs on my router. I checked them myself but really couldn't understand what they meant or if the things in it meant anything signifigant.

Extra Note: Whenever this happens, I'm usually playing a game and it starts out just having bad ping in game to roughly ~300ms. Then it starts stuttering and then finally I disconnect from the game. That happens over the course of a minute or two.

Another Extra Note: One time, I temporarily fixed the problem by unplugging and replugging my modem. It fixed it for like a minute, but then it dropped back down instantly.

Best solution

a b 2 Internet access
March 2, 2014 12:38:59 AM

Wifi or Ethernet? Try connecting via ethernet; it's possible there's nasty interference from something.

Are you on a fibre, DSL, or coax (Cable) connection?

Does it happen to all the computers at the same time?
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March 2, 2014 9:35:21 AM

Someone Somewhere said:
Wifi or Ethernet? Try connecting via ethernet; it's possible there's nasty interference from something.

Are you on a fibre, DSL, or coax (Cable) connection?

Does it happen to all the computers at the same time?


Oh wow, I completely forgot to add this information. Yes, I'm using Ethernet. And yes it happens to all the computers at the same time, wifi or not.

I'm not sure if it's fiber, DSL, or cable, but I'm using AT&T U-Verse. I tried looking up what kind of connection it is and this was the best I could find:
http://www.genmay.com/showthread.php?t=792523
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a b 2 Internet access
March 2, 2014 6:31:00 PM

Easiest way is to look at the back of the modem. Is it a phone cable, big fax coax cable, or a thin fibre (loaded up with laser warnings)?

Next time you have issues, can you do a traceroute? E.g. 'tracert google.com'.

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March 16, 2014 2:47:53 PM

Someone Somewhere said:
Easiest way is to look at the back of the modem. Is it a phone cable, big fax coax cable, or a thin fibre (loaded up with laser warnings)?

Next time you have issues, can you do a traceroute? E.g. 'tracert google.com'.



Sorry for the lack of reply. An AT&T tech guy thingy came to our house and said it was because of the port or something. Then he changed the port of our router and now it's been two weeks and everything has been fine. So I'm assuming the problem is fixed. Thanks for all the help up this though!
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