Internet download speed is much lower than upload one


  1. ingez2000
    Posts : 3
    Windows 7 64-bit
       New #1

    Internet download speed is much lower than upload one


    My main PC is directly connected to router/modem. I am using AT&T Fiber Optic with 300 mbps speed. Recently download speed decreased to a crawl. I ran a speed test - download speed was 4 mbps while upload was 367 mbps (???). Reset the modem and ran antivirus scan. No change.
    My other PC connected via WiFi shows higher download speed...

    Any suggestions ?
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  3. townsbg
    Posts : 1,857
    Windows 7 pro
       New #2

    Try flushing your dns. Windows 7: DNS Flush - GROK Knowledge Base The article doesn't show this but I think that you need to right click on command prompt and select run as administrator. I would try an ipconfig /release nefore the flush and ipconfig /renew afterwards. Also check your duplex settings. Network Speed Windows 7 - University of Galway In my settings it just shows duplex.
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  4. ingez2000
    Posts : 3
    Windows 7 64-bit
    Thread Starter
       New #3

    Performed all the tasks you have suggested - no change...
      My Computer
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  6. samuria
    Posts : 3,802
    win 8 32 bit
       New #4

    Is this wireless or cable?
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  7. townsbg
    Posts : 1,857
    Windows 7 pro
       New #5

    Try this: How to Speed Up Your Internet Connection | Avast
      My Computer
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  8. ingez2000
    Posts : 3
    Windows 7 64-bit
    Thread Starter
       New #6

    This is cable connection
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  10. samuria
    Posts : 3,802
    win 8 32 bit
       New #7

    What is your network adapter is it 100 meg or a gig in properties what is it connecting at?
      My Computer
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