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Topic: Ethernet/Wi-Fi Problem?

Posts 1 to 20 of 24

KidRyan

Does anyone here know why our PC loses internet connection when I plug the ethernet cable into our Xfinity Wireless Gateway?

The Wi-Fi does work, and when the Comcast technician connected his laptop to our internet via ethernet, he got impressive speeds.

System Info:
PC Model: HP 110-326 Desktop
OS: Windows 8.1 64-bit
CPU: Intel Pentium G2030T @ 2.60 GHz
RAM: 4.0 GB
Video: Intel HD Graphics
HDD: 500 GB

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themcnoisy

Switch you pc off and on again. Lol. Go into the settings and make sure the pc will accept ethernet. Depending on your os you generally go into advanced internet or connection settings. You may of switched it off on accident when you had an issue with WiFi in the past. Or your pc is set to WiFi and the ethernet connection was never primed in the factory settings.

[Edited by themcnoisy]

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KidRyan

I tried all of those suggestions and the ethernet still switches between Connected and Disconnected when i plug int the ethernet cable.

Do you know of any other ideas? I made sure settings obtain IP addresses automatically, ran troubleshooter, etc.

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kyleforrester87

Check your Ethernet on device manager.. Any '?' Or '!' marks? Could be an issue with drivers. I'd be inclined to try a new Ethernet card, not expensive.

kyleforrester87

PSN: WigSplitter1987

KidRyan

kyleforrester87 wrote:

Check your Ethernet on device manager.. Any '?' Or '!' marks? Could be an issue with drivers. I'd be inclined to try a new Ethernet card, not expensive.

The funny thing is, our new PC was able to connect to the ethernet connection fine, before we swapped out our old DOCSIS 2.0 modem for the new DOCSIS 3.0 Xfinity Wiresless Gateway (modem/router combo device).

However, the tech said to me that it couldn't be the new device causing the problem...could they be wrong?

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kyleforrester87

ToddlerNaruto wrote:

kyleforrester87 wrote:

Check your Ethernet on device manager.. Any '?' Or '!' marks? Could be an issue with drivers. I'd be inclined to try a new Ethernet card, not expensive.

The funny thing is, our new PC was able to connect to the ethernet connection fine, before we swapped out our old DOCSIS 2.0 modem for the new DOCSIS 3.0 Xfinity Wiresless Gateway (modem/router combo device).

However, the tech said to me that it couldn't be the new device causing the problem...could they be wrong?

well I'm no guru im afraid so I'd just troubleshoot. I'd just start by bringing in other hardware like consoles/laptops/pc's and connecting via ethernet to see if the problem was as a result of the router or PC settings. If everything works okay it'd certainly point to your PC having either a hardware or software incompatibility.

[Edited by kyleforrester87]

kyleforrester87

PSN: WigSplitter1987

nathanSF

Try one of these (one at a time)
I would try plugging the ethernet cable into another slot on the router. I wonder if perhaps there is a dedicated ethernet port for additional router connections
try another ethernet cable.
Disable the wi-fi on the pc before plugging in the ethernet cable.
It may be your pc is IPv4 and router is working on IPv6.
make sure the router's has a wide enough IP allocation range (192.168.x.1 to 192.168.x.100.
try giving the pc a dedicated Ip address in the DOCSIS 3.0 Xfinity Wiresless Gateway and set the IP allocation range to start after that address.

[Edited by nathanSF]

IwriteSci-Fi

X:

KidRyan

nathanSF wrote:

Try one of these (one at a time)
I would try plugging the ethernet cable into another slot on the router. I wonder if perhaps there is a dedicated ethernet port for additional router connections
try another ethernet cable.
Disable the wi-fi on the pc before plugging in the ethernet cable.
It may be your pc is IPv4 and router is working on IPv6.
make sure the router's has a wide enough IP allocation range (192.168.x.1 to 192.168.x.100.
try giving the pc a dedicated Ip address in the DOCSIS 3.0 Xfinity Wiresless Gateway and set the IP allocation range to start after that address.

All I know is that when I plug the ethernet cable into our modem + router combo device, my ethernet connection still keeps switching between "Connected" and "Unplugged Cable".

It can't be the ethernet cable though, since my PS3 accepts it just fine, and I did disable the wi-fi connection first.

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kyleforrester87

Does your PC have a PCI network adapter? Or does it have onboard? Or, unlikely, both, though possible if the motherboard has it built in and you have a wireless card with an ethernet socket, in which case they could be conflicting. If you don't have two sockets, and therefore their deffinetly isnt a conflict, I'd spend a few quid on a PCI network card, remove the one that is in there or if it is onboard disable it in the BIOS and then give the new card a whirl. If you don't want to spend the money then try downloading the latest drivers by looking up the model using device manager as a reference, uninstalling the drivers for that network controller in device manager and then installing the new drivers to see if that fixes it.

Would be interesting to see what network adapters you have in your device manager.

[Edited by kyleforrester87]

kyleforrester87

PSN: WigSplitter1987

KidRyan

kyleforrester87 wrote:

Does your PC have a PCI network adapter? Or does it have onboard? Or, unlikely, both, though possible if the motherboard has it built in and you have a wireless card with an ethernet socket, in which case they could be conflicting. If you don't have two sockets, and therefore their deffinetly isnt a conflict, I'd spend a few quid on a PCI network card, remove the one that is in there or if it is onboard disable it in the BIOS and then give the new card a whirl. If you don't want to spend the money then try downloading the latest drivers by looking up the model using device manager as a reference, uninstalling the drivers for that network controller in device manager and then installing the new drivers to see if that fixes it.

Would be interesting to see what network adapters you have in your device manager.

We do have a built-in PCI-E ethernet network adapter, but like I already said, it keeps switching between Connected and unplugged cable when I plug in the cable, and it cant be the cable since my PS3 accepts it fine.

[Edited by KidRyan]

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kyleforrester87

ToddlerNaruto wrote:

kyleforrester87 wrote:

Does your PC have a PCI network adapter? Or does it have onboard? Or, unlikely, both, though possible if the motherboard has it built in and you have a wireless card with an ethernet socket, in which case they could be conflicting. If you don't have two sockets, and therefore their deffinetly isnt a conflict, I'd spend a few quid on a PCI network card, remove the one that is in there or if it is onboard disable it in the BIOS and then give the new card a whirl. If you don't want to spend the money then try downloading the latest drivers by looking up the model using device manager as a reference, uninstalling the drivers for that network controller in device manager and then installing the new drivers to see if that fixes it.

Would be interesting to see what network adapters you have in your device manager.

We do have a built-in PCI-E ethernet network adapter, but like I already said, it keeps switching between Connected and unplugged cable when I plug in the cable, and it cant be the cable since my PS3 accepts it fine.

It couldn't be built in if it is PCI as a PCI card is one that plugs into a PCI bus on the motherboard. Built in means it's actually solderd onto the motherboard and controlled via its chipset. Easy way to tell is if the socket you're plugging the cable into is grouped up near the keyboard/mouse inputs or further down the tower in one of the expansion bays.

If you have a PCI network card you can take it out and try a cheap alternative. If it's built in to the motherboard then disable the network controller in the system BIOS and put your new PCI network card in. It's just what i'd do personally since they are so cheap.

http://www.amazon.co.uk/TP-LINK-TG-3269-Gigabit-Network-Inter...

However, you may still want to do what I said in device manager and check for the latest software drivers for whichever network card you're using first. Could be a simple update would fix it.

[Edited by kyleforrester87]

kyleforrester87

PSN: WigSplitter1987

kyleforrester87

Cool. Well maybe try another network card as mentioned above then. For the price, it could be an easy fix. Or maybe you know someone with one you can borrow/have.

kyleforrester87

PSN: WigSplitter1987

KidRyan

kyleforrester87 wrote:

Cool. Well maybe try another network card as mentioned above then. For the price, it could be an easy fix. Or maybe you know someone with one you can borrow/have.

Our PC doesn't have any expansion slots on the motherboard, will I still be able to install a network card?

Source: http://www.amazon.com/HP-110-326-Desktop-Pentium-4GB/product-...

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kyleforrester87

That's surprising. Something like this might be a better bet then:

http://www.amazon.co.uk/Ethernet-RJ45-Network-Adaptor-Convert...

http://www.amazon.co.uk/TeckNet%C2%AE-Gigabit-Ethernet-Indica...

Again, no guarantee this will fix the problem, but for the cost I'd give it a go myself. As I said I would also disable the current network adapter in device manager or better yet the BIOS when you're using this one incase of any conflicts between the two.

kyleforrester87

PSN: WigSplitter1987

EyeDeeNO76

Wow... this Hewlett-Packard Desktop is not something I would call future proof.

It is not a X button... it's a cross button. Because they are symbols not letters.

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KidRyan

I went ahead and bought an USB 2.0 Wired Ethernet Network adapter, so far it's working perfectly. Heck, my connection actually improved from 6 mBps to 8 mBps after I switched from wi-fi to ethernet.

I would still like to fix the PC's built-in Ethernet Network Adapter though, so I don't have to rely on the USB Adapter.

Untitled

[Edited by KidRyan]

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kyleforrester87

ToddlerNaruto wrote:

I went ahead and bought an USB 2.0 Wired Ethernet Network adapter, so far it's working perfectly. Heck, my connection actually improved from 6 mBps to 8 mBps after I switched from wi-fi to ethernet.

I would still like to fix the PC's built-in Ethernet Network Adapter though, so I don't have to rely on the USB Adapter.

Untitled

Cool. As I mentioned in my earlier posts you need to do some more thorough diagnostics to get the onboard adapter working. Good luck though, glad you've got the USB one working.

kyleforrester87

PSN: WigSplitter1987

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