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Internet connecting problem


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#1
Sun Guru

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Hi there...

I have a very technical problem and hope that someone here could help me with it.

I have a 100Mbps connection and I can seed at 10 MB/s easily. Lately I have been having a little bit of problem with my internet connection. It seems to me that my connection is very unstable. As you can see from the pictures that I have attached below,my connection reaches 25 % of it's capability and then suddenly drops to 1% and then goes back to 25% and then back to 1%. This sequence happens every second. This behavior is also displayed by my Utorrent speed graph. Yesterday while browsing I got a notification of my conenction in the system tray that my internet connection has been downgraded from a 100Mbps to a 10Mbps connection. After a while it jumped back to 100Mbps. Since I have my connection settings set to Autosense it changes directly when the speed drops. Then I thought that my university is doing some speed capping but I phoned a friend of mine who works there and he told me that that is not the case and that his connection is still at full speed. He told me that is the uni wanted to cap only my speed that he would have been notified.

I have an ULi PCI Fast Ethernet Controller 5.1.2600.310. . It's around 2 years old (same as my pc). I have already uninstalled the driver and installed it back...still the problem persist.

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#2
123Runner

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Is this a wired or wireless connection.
Is there a router?
Where is the modem?
Laptop or desktop? (only for simplicity in trying another connection, say another floor or building).
Have you tried another connection?
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#3
Sun Guru

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Is this a wired or wireless connection?
Wired

Is there a router?
No...it's a fixed connection

Laptop or desktop?
Desktop

Have you tried another connection?
Please explain...
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#4
123Runner

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Can you plug it into another wired connection in another room/ building?
Is anyone else having problems?
Trying to determine if its your computer or a building/ floor issue.
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#5
Sun Guru

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No...there is nobody else in the building having the problem. I phoned a guy who administrates the connections for the university and he said that his connection is working at full capacity and it's not fluctuating as mine. He told me that it's a problem with my computer and not with the connection.

It is definitely my computer.

I must say, I upload A LOT! Over these two years I have upped more than 200 TB and the first thing that came to my mind was that my ULi PCI card is giving up. But if it's giving up, how can I be sure that it's that and not some software malfunction?
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#6
123Runner

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I strongly suspect your network controller card.
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#7
Sun Guru

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I have bought a new ethernet card...and installed it...

And still the problem persist... :whistling:

Edited by Sun Guru, 09 July 2007 - 07:43 AM.

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