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My d-link router disconnects when two ethernet cables plugged in

Last response: in Networking
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December 30, 2010 12:46:49 AM

Hi guys,

This is my first post ever, so please bear with me. I don't really know a lot about routers/ network settings/ etc..

I have a D-Link DSL-2642B Router, an iMac and another Intel Mac (OSX 10.6).
The iMac is connected by ethernet to the router. The internet works fine.

The intel Mac is new, but doesn't have wireless built in, so I use a USB wireless adapter (which I had been using successfully on the g5 mac I had before this new intel mac). The USB adapter (Netcomm) works fine in the intel mac, in so far as the Netcomm Utility can see my Wireless Network from the D-Link Router. It connects to the router fine. Good signals/strength etc.

The problem is, when I try to use a browser or email or whatever, the internet connection doesn't work. It might load the first page in a browser, but will instantly stop working after that!

Not only that, but the internet connection seems to get screwed somehow for the whole network. ie. if i go over to the iMac and try to use the internet, it's not working. The only way to rectify this is to power on/off the modem/router.

So I thought this might be the USB adapter causing the problem. So I dragged the Intel Mac over to the router and plugged it straight in using ethernet cable. The imac is also plugged in using ethernet. The intel mac's internet works for a maybe a minute or two and then disconnects and ruins the internet connection for itself and the iMac as well. So I tried unplugging the imac from the router and just have the Intel Mac plugged into the router. Same problem. It connects momentarily, but then ruins the internet connection (not the ethernet network connection, which appears to remain fine if i open up network settings – it's just the internet that doesn't work)

I'm thinking it might be something I'm doing wrong in the network/internet settings on the Intel Mac. I don't know enough about it to really play with anything...
So any help or advice would greatly greatly appreciated!

Thanks, Adrian.
December 30, 2010 7:22:48 AM

it seem that there is problem with network card , have you checked it by giving static IP inspite of DHCP, also check in browser tools then internet option and check LAN setting , and click to obtain the proxy autmatically,if you have no proxy server in your network, and if there any proxy setting in Lan , disable that.




AYJ295 said:
Hi guys,

This is my first post ever, so please bear with me. I don't really know a lot about routers/ network settings/ etc..

I have a D-Link DSL-2642B Router, an iMac and another Intel Mac (OSX 10.6).
The iMac is connected by ethernet to the router. The internet works fine.

The intel Mac is new, but doesn't have wireless built in, so I use a USB wireless adapter (which I had been using successfully on the g5 mac I had before this new intel mac). The USB adapter (Netcomm) works fine in the intel mac, in so far as the Netcomm Utility can see my Wireless Network from the D-Link Router. It connects to the router fine. Good signals/strength etc.

The problem is, when I try to use a browser or email or whatever, the internet connection doesn't work. It might load the first page in a browser, but will instantly stop working after that!

Not only that, but the internet connection seems to get screwed somehow for the whole network. ie. if i go over to the iMac and try to use the internet, it's not working. The only way to rectify this is to power on/off the modem/router.

So I thought this might be the USB adapter causing the problem. So I dragged the Intel Mac over to the router and plugged it straight in using ethernet cable. The imac is also plugged in using ethernet. The intel mac's internet works for a maybe a minute or two and then disconnects and ruins the internet connection for itself and the iMac as well. So I tried unplugging the imac from the router and just have the Intel Mac plugged into the router. Same problem. It connects momentarily, but then ruins the internet connection (not the ethernet network connection, which appears to remain fine if i open up network settings – it's just the internet that doesn't work)

I'm thinking it might be something I'm doing wrong in the network/internet settings on the Intel Mac. I don't know enough about it to really play with anything...
So any help or advice would greatly greatly appreciated!

Thanks, Adrian.

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Anonymous
December 30, 2010 7:40:18 AM

Pretty much as above but would add that the problem may stem from one of the machines having been used with Windows Internet Connection Sharing -- disable that (see Windows Help, ICS)
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