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Internet has become really slow

My PC is running Windows 7. Recently I've noticed, that my internet is REALLY slow. My internet connection should be up to 100mb/s, but I can barely get 1-3mb/s, ~20mb/s if I'm lucky.
I know it's a problem with my PC, because, when I phoned up my ISP, they said the the connection on their end is normal. First I thought it was a problem with my Wi-Fi router. I rebooted my router, updated it's firmware, and plugged the internet cable directly into my PC, but nothing changed.
I've tried running multiple anti-virus programs (AVG, Avast etc) and tried to run a malware scan, but they didn't detect anything.
The thing that perplexes me the most is, that I had the same problem a few weeks ago. I did a fresh Windows 7 install, and that fixed it.. for a short while.

I'm out of ideas on how to fix this problem, so I will be very grateful for any and all solutions for this.
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  1. Best answer
    Try this and tell me if you see any difference:

    Open Start Menu and type this: msconfig and click the only result.
    Go to the Startup tab.
    Click Disable all.
    Now go to the Services tab and check the 'Hide all Microsoft services' box.
    Then click Disable all.

    With this you disable everything not being pure Windows to start automatically.
    Now restart the computer and test the connection.
  2. PandaBear270 said:
    Try this and tell me if you see any difference:

    Open Start Menu and type this: msconfig and click the only result.
    Go to the Startup tab.
    Click Disable all.
    Now go to the Services tab and check the 'Hide all Microsoft services' box.
    Then click Disable all.

    With this you disable everything not being pure Windows to start automatically.
    Now restart the computer and test the connection.


    Sorry, this didn't work for me, but I selected it as a best solution, because it might help out other people.
    Any other possible fixes? I'm getting desperate.
  3. In the task manager (ctrl + alt + del) go to the networking tab and check network usage. If you see zero during a fair long time, check connection speed again.

    Do you suspect on WiFi stealing? There are so many skiddies with Aircrack out here.
  4. PandaBear270 said:
    In the task manager (ctrl + alt + del) go to the networking tab and check network usage. If you see zero during a fair long time, check connection speed again.

    Do you suspect on WiFi stealing? There are so many skiddies with Aircrack out here.


    1. Network Utilization stays between 8% - 15%

    2. I really doubt that anyone is stealing my Wi-Fi. I'ts password protected. Either way the router isn't affecting much, because when I plug the internet cable directly into my PC, the connection speed doesn't really change a whole lot
  5. Okay let's keep trying.

    Read and follow this guide to check if there is a certain program or process consuming bandwidth without you knowing it:
    http://www.howtogeek.com/howto/43713/how-to-monitor-the-bandwidth-consumption-of-individual-applications/
  6. PandaBear270 said:
    Okay let's keep trying.

    Read and follow this guide to check if there is a certain program or process consuming bandwidth without you knowing it:
    http://www.howtogeek.com/howto/43713/how-to-monitor-the-bandwidth-consumption-of-individual-applications/


    I'm aware of every program that's consuming bandwith, according to this nothing is leeching it. Any other suggestions?
  7. Yes, your ISP is laughing at you. If there is nothing in your computer using bandwidth, and you are sure no one is stealing your WiFi, then the problem is on your network.

    I do not have really any more ideas. Might wait for a more experienced user to throw more suggestions.
  8. PandaBear270 said:
    Yes, your ISP is laughing at you. If there is nothing in your computer using bandwidth, and you are sure no one is stealing your WiFi, then the problem is on your network.

    I do not have really any more ideas. Might wait for a more experienced user to throw more suggestions.


    Well thanks anyway. I might do a fresh install of windows again, I hope this problem wont show up this time.
  9. The problem could possibly be that your router/modem is failing due to old age, resulting in the slower speeds. Depending on your ISP you may have to call them to get a new router/modem.
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