Slow LAN with new comp? UPDATE!

Discussion in 'Computers and Consoles' started by mark25, May 13, 2011.

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  1. MARK25

    mark25 Forum Junkie

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    Just got a new computer and the on-board LAN is not up to much, compared to my old comp, old comp was 10x faster[:x] here's the specs:

    OLD computer:

    ASuS M4N68T-M LE V2 motherboard with o/b Gbit LAN
    AMD Athlon II X2 255 processor
    Crucial 4G RAM
    WD 1 T HD

    LAN speed 12548.7 KByte/sec

    NEW computer:

    ASUS P7H55E motherboard with o/b Gbit LAN
    Intel i3 540 processor
    Crucial 4G RAM (same as above)
    WD 1 T HD (same as above)

    LAN speed 869.2 KByte/sec !!!

    Any ideas?????????????????

    Done so far: LOADS, including:

    LAN Cable = same as old comp, but next to router with short cat5e cable makes no speed difference...
    on board LAN driver loaded (many tried Realtek and MS)
    Modem reset (changed too)
    Win 7 64 and 32 tried
    no Windows errors, messages, etc
     
    Last edited: May 24, 2011
    mark25, May 13, 2011
    #1
  2. FUNKY DIVER

    Funky Diver Forum Member

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    What ethernet adapter is fitted? cos if your old one was better specced that'd be the obvious answer.
     
    Funky Diver, May 14, 2011
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  3. MARK25

    mark25 Forum Junkie

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    Both ASUS motherboards have Gbit LAN onboard. The old fast computer has nVidia, the new slow one has Realtek.
     
    mark25, May 14, 2011
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  4. COLLIE

    Collie Forum Junkie

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    where would one look to find lan speed
     
    Collie, May 16, 2011
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  5. rubjonny

    rubjonny Administrator Staff Member Admin

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    try new lan card drivers to start with, and check for bios updates. look in the adaptor settings then view its status to see what lan speed it is connected at.

    click lan icon in tray -> open network and sharing centre -> click change adaptor settings -> double click lan adaptor icon
     
    rubjonny, May 17, 2011
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  6. ANDYPATERSON

    andypaterson Forum Member

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    Can also try changing the negotiation speed to either 1gb full duplex or 100mb full duplex (it'll probably be on Auto Negotiate).
     
    andypaterson, May 17, 2011
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  7. Tim8v

    Tim8v Forum Member

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    try remving ipv6 from the protocols on your adapter.
    also remove RDC and disable Autotuning (plenty of how to's on the net)
    if you have any wireless or virtual adapters, disable them to see if that helps.

    if after all of this and the other suggestions it does not improve let me know.

    did you install the chipset drivers first before any of the others?
     
    Tim8v, May 17, 2011
    #7
  8. COLLIE

    Collie Forum Junkie

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    so mine being 100Mbps is good then?
     
    Collie, May 17, 2011
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  9. rubjonny

    rubjonny Administrator Staff Member Admin

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    100mbps is good if you have a 100mbps network adaptor and switch/router, if you have a 1000 adaptor and switch/router then its not so good ;)

    it will only show 1000 if the devices at both ends are if you know what i mean. not liek 100 is slow though, especially if its only connected to the internet!
     
    rubjonny, May 18, 2011
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  10. MARK25

    mark25 Forum Junkie

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    mark25, May 18, 2011
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  11. MARK25

    mark25 Forum Junkie

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    Done all that, Win 7 says 100Mbps. Have bought an extra PCi LAN card, same speed [:x]
     
    mark25, May 18, 2011
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  12. MARK25

    mark25 Forum Junkie

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    Done all that. no difference.
     
    mark25, May 18, 2011
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  13. RIGS

    Rigs Paid Member Paid Member

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    At the risk of asking the simple questions:

    Are you measuring the speed in exactly the same way? And how?
     
    Rigs, May 18, 2011
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  14. MARK25

    mark25 Forum Junkie

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    Yes, by using the above link, clicking on "start de geselecteede tests", may not work in the UK, but i'm sure there's an equivalent.
     
    mark25, May 19, 2011
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  15. MARK25

    mark25 Forum Junkie

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    I think it's a hardware problem in the PC. If i run Linux from a bootable disk it's no faster. So in principle it's not a Windows problem. There must be a bottleneck in the hardware. The PC has on-processor graphics (Intel GMA HD) so the graphics goes over the same bus as the CPU data. Howveer, fitting a PCI graphics card and shutting down the on-board graphics doesn't help either.
     
    mark25, May 19, 2011
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  16. SPARROW

    sparrow Paid Member Paid Member

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    sparrow, May 19, 2011
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  17. rubjonny

    rubjonny Administrator Staff Member Admin

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    oops! yes thats an internet download speed test, not a lan speed test :)
     
    rubjonny, May 19, 2011
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  18. MARK25

    mark25 Forum Junkie

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    What tests the hardware then? ping the router?
     
    mark25, May 19, 2011
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  19. rubjonny

    rubjonny Administrator Staff Member Admin

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    you would need to do a file transfer across the network to another computer, then check the speed
     
    rubjonny, May 19, 2011
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  20. MARK25

    mark25 Forum Junkie

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    OK, so the basic question i have is: Why is one computer with Gb LAN 15x quicker than another computer with Gb LAN when connected to the same cable?

    At the end of the day internet download speed is what i need, the other numbers/specs are not important to me.
     
    mark25, May 19, 2011
    #20
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