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Solved Broadband Speed on one PC cut to 10%

Discussion in 'Networking' started by jesusofchicago, Jun 13, 2019.

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  1. jesusofchicago

    jesusofchicago Thread Starter

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    In 20+ years of computing, I've run into a problem that just has me completely perplexed.

    I have a G3 Dell Laptop that's only a few months old. Everything was fine until today, when my broadband speed dropped from around 80mbps to 8-9mbps, so about 10% of what it used to be. I noticed the difference and ran tests on several different sites.

    Here's the kicker - when I plug my laptop directly into the modem, it's at 8mbps, when I plug another laptop in, it's at the 80mbps, so it's definitely something on my laptop.

    The laptop is clean from malware. I've tinkered a bit with the network settings and nothing has changed. All my drivers are up to date, Windows 10 is up to date - I even uninstalled my AV and disabled ALL startup programs just to see if that was it - still at 8mbps.

    Anyone have a suggestion as to what might be causing this?

    Thanks!
     
  2. jesusofchicago

    jesusofchicago Thread Starter

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    So after 4 hours of trying to fix the issue, my speed returned to normal. Maybe an ISP traffic issue, but I'm not sure why that would only impact my PC, especially when I was wired into the modem. Either way, it's resolved - not that I know how.
     
  3. Couriant

    Couriant Trusted Advisor

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    Double check with your ISP to make sure there was no outages / signal issues that would cause that.
     
  4. jesusofchicago

    jesusofchicago Thread Starter

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    The strange thing is that I took the network cable (from modem to PC) and moved it from a PC getting 80mbps to my laptop, and my laptop would only get 8mbps. So the ISP was sending a decent signal, but my laptop wasn't getting it. Then later, it started working again, with no changes.

    I thought it might be traffic or something, but my other PC was doing fine. Weird...
     
  5. Couriant

    Couriant Trusted Advisor

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    Do you have any file sharing programs like uTorrent? If so, then that may explain it too.
     
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