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Network Adapter not showing up in Device Manager

Last response: in Windows 7
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July 22, 2013 7:41:49 PM

Hi. This past Saturday I came home and noticed neither of my computers could access the internet. After discussing the problem with my ISP's customer support we ran through several tests (Restart modem, switch cables, turn cables around, try new cables, etc.). I discovered that I could access the internet wirelessly, but not through my ethernet cables (I game regularly, so I prefer not to use a wireless connection, in fact, my main PC doesn't even have a wireless adapter). We figured the modem was the problem.

Today I went and got a replacement and installed it. It immediately solved the problem for my old pc (can now connect either wirelessly or through the ethernet cable), but my new PC still showed the "network cable unplugged" signal. I ran the windows troubleshooter which told me it couldn't find the driver for my network card, and when I went to device manager I didn't see any "Network Adapter" option. When I ran ipconfig it said "Media Disconnected"

I am running windows 7 64 bit home premium.

My motherboard is a gigabyte ga-z68a-d3-b3. I downloaded new driver software from this page (http://www.gigabyte.us/products/product-page.aspx?pid=3...) on the old computer and transferred it to the new one, but when I follwed the setup instructions it told me "The Realtek Network Controller was not found. If deep sleep mode is active please plug the cable."

Do you think my network adapter itself is just caput, or is there more I can do on the software side to resolve this issue?
a c 233 $ Windows 7
July 23, 2013 5:00:48 AM

If you are using an onboard ethernet controller, be sure it's enabled in the bios.
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July 23, 2013 1:35:04 PM

Hawkeye22 said:
If you are using an onboard ethernet controller, be sure it's enabled in the bios.


Could you be a bit more specific? I looked in the bios, but I didn't know what to look for and didn't see anything obvious like "network adapter," or "Ethernet Port."
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a c 233 $ Windows 7
July 24, 2013 5:34:30 AM

David Bagby said:
Hawkeye22 said:
If you are using an onboard ethernet controller, be sure it's enabled in the bios.


Could you be a bit more specific? I looked in the bios, but I didn't know what to look for and didn't see anything obvious like "network adapter," or "Ethernet Port."


According to the manual in the motherboard link you provided, it's listed as Onboard HW LAN.

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July 31, 2013 1:53:47 AM

Missed this answer for a while. Just checked my bios again, there was no option for "Onboard HW LAN." I have "Onboard LAN Boot ROM," "Onboard USB 3.0 Controller," "Onboard Serial Port 1," and "Onboard Paralallel Port." The only other option that has LAN in the title is "SMART LAN" which just says "Press Enter." I did, but it just brought up an unselectable cable test and nothing else.
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a c 233 $ Windows 7
July 31, 2013 4:52:02 AM

Your motherboard manual needs updated. It appearently doesn't agree with the bios revision you have.
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