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Macbook ethernet adapter won't recognize network

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The ethernet adapter's gone bad; it's usually the magnetics package that fails open.  You can use a voltmeter to check things out, but swapping the adapter's pretty simple if you have a spare in town.

Posted on Nov 16, 2008

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Won't connect to router


Shut down compter, unplug router and the ISP modem, Check ALL cables and reseat ALL connections, plug in the ISP modem allow it to selftest, plug in the router allow it to selftest. Reboot the computer, plug in Ethernet cable.You didn't give much info to work with. Wired? Wireless? Does it connect to other devices? What is the OS? Vista? Is this a recent issue? What it the router Make ,Model? Open the Network and Sharing Center, Manage Network Connections, Is the Ethernet Adapter enabled?

Jan 07, 2013 | eMachines ET1161-03 PC Desktop

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Dell inspiron 560 won't recognize network adapter


Try reinstalling the NIC driver. If its separate network card, connected in PCI adapter, try to remove and plug it back in to see if its found after.

If these actions do not help, maybe NIC was damager with the power outage, it can happen.

Nov 04, 2012 | Dell Inspiron 560 MT Celeron 450@ 2.2GHz...

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Dell inspiron 560 won't recognize network adapter


if there is no netework adapter in device manager or any device that is not instaled try checking in BIOS if it is enabled. sometimes after power loss bios is reset. if it is enabled in BIOS that short power outage probably killed your network adapter. you can add some PCI network adapter and solve your problem.

Nov 04, 2012 | Dell Inspiron 560 MT Celeron 450@ 2.2GHz...

1 Answer

I have a used computer and the person before a wireless connection and I have a cable connection and it not recognize my ethen cord. I disconnect the wireless service but it still not recognize.


It seems that your LAN Card or Network Interface Card is disabled , go into the device manager ( Start ->Run->cmd->devmgmt.msc ) Now in device manager you will see Network Adapter expand it and then you will see one Wireless Ethernet Adapter and another Ethernet Adapter ( this is you LAN adapter to which the cable will connect to ) Right click and Enable this.
Let me know if this helps

May 14, 2010 | Computers & Internet

2 Answers

I think my network card is bad. My internet / email isn't working on my desktop (although it works fine on my laptop). And the computer is not recognizing anything when I type ipconfig. So, i think i need...


since the network card is built onto the motherboard reinstalling the driver would be the best first option.

HERE is the link to the driver.
Broadcom827.exe - Broadcom NetXtreme Gigabit Ethernet driver Version: 8.27.1.0
Supports: Windows XP
Note: This is the Broadcom NetXtreme Gigabit Ethernet driver for use with the Big Lake, Cortez, and Putton Bay motherboards in Windows XP.

I would try that first.

Apr 14, 2010 | Gateway GX7022E (RBGX7022E) PC Desktop

2 Answers

Have a Dell Dimension 4600C Desktop. It no longer recognizes the ethernet cord when it is pulled in. The cords are fine. Even tried new ones. Think that the network adapter connector on the computer is bad...


More than likely it is your ethernet card that is bad. It will be easier to buy an ethernet card and install. The procedure is not hard. You will need to open your computer and sit the card in one of the open slots toward the back of the computer.

Mar 02, 2010 | Dell Dimension 4600 PC Desktop

2 Answers

Missing Network Icon From Device Manager


This is most likely a hardware problem. Your network adapter is probably faulty, therefore the system does not recognize it.

You can try to reinstall it, but if the system is not recognizing it now, the chances of it recognizing the device during install are low. I have included a link to the driver download if you choose to attempt to reinstall the device.

http://www.acerpanam.com/synapse/forms/portal20.cfm?recordid=3705&formid=3394&website=AcerPanAm.com&siteid=7117&words=all&keywords=&areaid=2

If reinstalling the device does not work, you have a couple of options. The easiest and least expensive would be to install a new ethernet adapter. These can be purchased at many computer and electronics stores and are fairly easy to install and configure. If your PC is under warranty, you can contact Acer for a warranty repair.

Hope this helps. Please take a moment to rate this solution. Thanks.

Mar 18, 2009 | Acer Aspire T180 PC Desktop

2 Answers

Network adapter not showing up in device manager


The tech was incorrect - your network adapter is just not recognized by the system. If you install the correct drivers for your particular network adapter it should be recognized, which should then solve your problem. Search the Gateway website for network drivers for your particular desktop, and if the network adapter was added (not built into the computer) then determine the manufacturer and model of your network adapter, then search the manufacturer's website for the correct drivers.

Even easier, if you still have the original disks that came with your computer and/or network adapter, they should include the correct drivers.

Hope this helps!

Jun 07, 2008 | Gateway GT4024 PC Desktop

1 Answer

Ethernet


You may try this: Click Start > Right click on "My Computer" > Select "Properties" > Hardware Tab > "Device Manager" button > Click the "+" next to "Network adapters" > Right click on your Ethernet adapter > select "Properties" > select Driver tab > select "Roll Back Driver" button (third button down on the left side). This will work if an updated driver is at fault.
If the above fails you could then try Right Clicking on your device in Device Manager and select "Uninstall", and after uninstalling reboot and let Windows New found Hardware Wizard pick up the device and try to correct the fault. Otherwise if the Adapter is integrated you can look for updated driver at Dell's Support site, and if added on (via PCI slot) check at the adapters Manufacturer's site for the proper driver.
If all else fails, replace the Network adapter.
Good luck.

May 24, 2008 | Dell Dimension 2400 PC Desktop

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