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Shutting off quality of service options for wifi fixes my speed issues on my internet through Comcast?!?!? What?!?!?

9,489 3,649 April 15, 2016 at 09:25 PM in Computers (3) Xfinity
For about six or so months now I've been having one issue or another with Comcast's internet. At first I was having it disconnect at 2 a.m. and stay off for 5-6 hours straight. This started happening around the time they pushed a new firmware to the modem I'm using(SBG 6580 combo modem/router).

To "fix" that they rolled back to the firmware before the one causing the issues and all was fine...for a while.

Then they rolled it back out a few months ago or so and my speed went from 150-160 Mbps down to around 1/3 of that.

I even had a tech come out on Wednesday to try fixing the issue if they could. They couldn't find anything wrong with the line coming into the house, so obviously they tried blaming my less than 3 year old modem/router combo for the issues.

Fast forward to tonight I'm checking Comcast's forums after having posted a thread that I'm STILL having issues with my speed or lack thereof. So I decided to try the suggestion the one user(SBG6580dude) mentioned and go into the wireless tab and shut off all the quality of service options then apply that.

Then for shits and giggles I did a speed test fully expecting to see NO change.

This is the results:

http://results.speedtest.xfinity....717944.png

Still trying to figure out how shutting OFF quality of service options for the wireless portion of the unit helped the wired connection to get fixed.

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Joined Dec 2010
Live Long And Suck It!
> bubble2 9,489 Posts
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CheapestGamer
06-15-2016 at 08:01 PM.
06-15-2016 at 08:01 PM.
Quote from Autumn :
Ugh that's terrible! My parents are going through the same thing with Comcast, doesn't matter how often they come out, what they replace, Comcast swears there's nothing they can do and say everything is fine.
Yeah. They sent out 4-5 techs, replaced the line coming into the house TWICE(and left one with an unfinished end hanging in the other room) and then said they were going to check the lines.

Then they sent out one final tech who only came in, ran a speed test using a laptop provided by the company, showed me the laptop was getting OVER the "up to 150 Mbps" speeds and blamed it on my computer being cluttered.

Then they tried charging me for at least that final 'service call', which was all of ten minutes.

Funny thing is I tried restoring my PC back to factory specs and it DID increase my speeds back up to what they should be. So they were right. But it took like 4-5 months for them to 'fix' the problem, all while charging me full price. But they've credited me various amounts for the last 2-3 months.

So I would definitely try restoring whatever you're testing the speeds with and try testing again. It may help.
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Last edited by CheapestGamer June 15, 2016 at 08:06 PM.
Joined Jul 2008
You can call me "Al"
> bubble2 18,308 Posts
38,677 Reputation
MsGal
06-16-2016 at 12:04 AM.
06-16-2016 at 12:04 AM.
My speed issues have been resolved. I posted about it here: https://slickdeals.net/f/8841227-comcast-speed-issues-solved-and-it-only-took-9-months?v=1
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