Ridiculously Slow/Flaky Wireless

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  1. Posts : 28,845
    Win 8 Release candidate 8400
       #11

    Poblasai said:
    I'm having similar problems.

    I have a Dell Latitude 1520 with a Dell 1505 wireless-N mini card.

    I'm getting 1mbps or less (more often than not, less) with an 802.11n connection that is no more than 15ft from the access point.

    -Have reset the router (many times)
    -Windows firewall is off
    -Powersaving setting set to max wireless (i.e. no powersaving in regards to the wireless)
    -Have tried Windows provided wireless drivers (even the ones updated via Windows update)
    -Have tried Dell's Vista drivers
    -Card operates at 50+mbps with XP
    -Wired connection works fine

    This seems to be a recent problem (1 or 2 months). I've been using Win7 since sometime is very early spring and while I never actually checked the speed my wireless card was getting, I also never noticed it being a problem until recently.

    Anyone have any idea?

    side note: the really sad part here is that the card works a LOT faster in Linux and there isn't even a Linux drivers for the card.
    could you tell us what cable modem, router, and ISp

    Ken
      My Computer


  2. Posts : 15
    Windows 7 ultimate X64
       #12

    I also had a problem with slow internet through wireless here is how I resolved it !

    Slow Network File Copy issues in Windows 7 caused by Remote Differential Compression | Windows Reference

    Hope this helps! -

    Although the link is in reference to file copy issues it resolved my slow wireless connection to the interweb
      My Computer


  3. Posts : 5,642
    Windows 10 Pro (x64)
       #13

    zaxis said:
    I also had a problem with slow internet through wireless here is how I resolved it !

    Slow Network File Copy issues in Windows 7 caused by Remote Differential Compression | Windows Reference

    Hope this helps! -

    Although the link is in reference to file copy issues it resolved my slow wireless connection to the interweb
    Remote Differential Compression Myth: The Storage Team at Microsoft - File Cabinet Blog : Debunking Myths about Remote Differential Compression and System Performance
      My Computer


  4. Posts : 2
    Windows 7
       #14

    I also had a problem with slow internet through wireless here is how I resolved it !

    Slow Network File Copy issues in Windows 7 caused by Remote Differential Compression | Windows Reference

    Hope this helps! -

    Although the link is in reference to file copy issues it resolved my slow wireless connection to the interweb
    Even if it is a myth, I see no harm in trying this particular method. Thanks.

    could you tell us what cable modem, router, and ISp

    Ken
    Router is a Linksys WRT330N. While am I getting slow Internet connection, Modem and ISP are irrelevant as the problem occurs with file transfers between my other Win7 desktop. Thanks for the reply.
      My Computer


  5. Posts : 15
    Windows 7 ultimate X64
       #15

    I am using a Linsys WRT56G router and a Dlink card, I am still having some issues as it happens, but it appears to be on port 80 only. I think it maybe my virus/network checker. Looks like I am going to try a fresh install to see if that cures the problem.
      My Computer


  6. Posts : 3
    Windows 7
       #16

    Hi, I have the same problem as well with Windows 7 on my Asus R2E.
    The strange thing is, that after installing windows speed was OK, but on the other day it decreased drastically. I'm not sure what happened, maybe some update has been installed, or something.

    P.s. my router is D-link DIR-655
      My Computer


  7. Posts : 3
    Windows 7
       #17

    And after dissabling "Remote Differential Compression" it's back on full speed
      My Computer


  8. Posts : 5,642
    Windows 10 Pro (x64)
       #18

    Juozas said:
    And after dissabling "Remote Differential Compression" it's back on full speed
    That would be an incorrect assessment.
      My Computer


  9. Posts : 3
    Windows 7
       #19

    logicearth said:
    Juozas said:
    And after dissabling "Remote Differential Compression" it's back on full speed
    That would be an incorrect assessment.
    Today after restart, it's back on very slow speed (like 8 Kb/s), and after reenabling RDC, speed goes to normal, but only until next restart...
    So yes, it does not matter if RDC is on, or off.

    Same effect does disconnecting and reconnecting back to wireless network.
      My Computer


  10. Posts : 1
    Windows 7 Professional 64bit
       #20

    I have encountered the exact issue. Running Windows 7, getting full bars and am within ten feet of the router, speeds at 54mbps, but randomly drop down to 1mbps. No rhyme or reason to when it happens or how long it stays this way. I have seen other Windows 7 users describing the same symptoms, but have found no effective fixes.
      My Computer


 
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