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Onboard NIC failed

Last response: in Motherboards
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June 23, 2013 10:24:41 PM

Hi guys,

First up, a little information regarding my build.
AMD FX-4100 3.6GHz
Gigabyte GA-990FXA-UD7
8GB Corsair Vengeance
1000W Thermaltake PSU
HD7970 GPU

Okay, so now the basics are out of the way, I attempted to overclock my CPU to 3.7GHz. (I'm trying to overclock to a faster speed, but baby steps, you know?)

I increased my CPU Ratio from 18 (I think it was) to 18.5 (which multiplied by the BUS speed (200MHz) came to 3.7GHz. I also disabled AMD Cool and Quiet as well. I left Voltages set to auto (BIOS optimized).

My PC booted up OK, no issues. I then went to open Core Temp to monitor the temps, and then my PC froze and heard some fans speed up then settle down. I decided to reboot it.

On my next attempt I did NOT open Core Temp, but went to open Firefox and found that I had no network connection. My Onboard NIC was not in my Network Connections in Control Panel, and no network adaptors are shown in device manager.

I tried a new Ethernet cable, and multiple ports on my router. I confirmed my internet connection IS working by connecting wirelessly on my phone.

I have googled around for the last 2 hours at work and found that Onboard LAN may be disabled in my BIOS.

I have looked around the forums for an issue like mine, but couldn't see one that related to Overclocking and failed NIC's.

Please note that I have put my CPU ratio back down to 18, and reenabled Cool and Quiet. My next step is to check in my BIOS for the LAN setting and enable it (if it's disabled). After that, I will load optimized defaults in BIOS. If that fails, I will go out and buy a PCI-e NIC to install.

Any tips regarding on how I can get this back up would be great. Like I've said, I already have a plan and will update this thread as to my progress, but any help from you Guru's out there would be greatly appreciated. I'm no stranger to computers as I build and upgrade my own, but I'm relatively new to overclocking. I don't like playing with voltages either, so I usually leave those untouched.

More about : onboard nic failed

a c 370 K Overclocking
a c 1652 V Motherboard
June 23, 2013 10:40:01 PM

The NIC doesn't show up in device manager? will be under NETWORK ADAPTERS? If not click on Network Adapters so it's highlighted, go to top of Device Manager, click on Action select Check for hardware changes ... if it doesn't find anything do the same but under ACTION, select ADD LEGACY HARDWARE, then find your network adapter and load it
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June 23, 2013 10:50:36 PM

Tradesman1 said:
The NIC doesn't show up in device manager? will be under NETWORK ADAPTERS?...


Thanks for the speedy reply Tradesman.

Just got home (Early day. WOOHOO!)

What I did, after I shut it down was unplug the power cable from the PSU and left it out for an hour. Booted back up not even 10 minutes ago, and Voila! NIC is back. :wahoo: 

Just to confirm, the option for network adapters was NOT in device manager at all. Which made me freak out.

Once again, thanks for the quick reply. I can mark this as solved now. What I want to know is why did it disappear at all?
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a c 370 K Overclocking
a c 1652 V Motherboard
June 23, 2013 10:53:41 PM

When it crashed it may have crashed the driver, then when you booted, oh no, it wasn't there but the OS was looking for it and then it took time to reinstall it, then it was finally there, but may not have been working, may have needed another boot, to come straight up and reach out to your modem/router
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June 23, 2013 11:01:06 PM

Tradesman1 said:
When it crashed it may have crashed the driver, then when you booted, oh no, it wasn't there but the OS was looking for it and then it took time to reinstall it, then it was finally there, but may not have been working, may have needed another boot, to come straight up and reach out to your modem/router


More than likely. At least it's working again. I think I may hold off this overclock for when I have some time to head out to the Computer shop to buy a standalone NIC or something if the onboard actually does fail.
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a c 370 K Overclocking
a c 1652 V Motherboard
June 23, 2013 11:06:12 PM

Or if you have a wireless modem, which it sounds like you do..just get a wireless USB 'N' series
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June 23, 2013 11:09:35 PM

Tradesman1 said:
Or if you have a wireless modem, which it sounds like you do..just get a wireless USB 'N' series


Well, It's both Wired and Wireless. At the moment I just use an Ethernet cable because I'm about 2 meters away from the router. When I move again, I'll need a wireless option though as I won't be anyway near the router.
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a c 370 K Overclocking
a c 1652 V Motherboard
June 23, 2013 11:18:59 PM

So if you get one now, won't have to buy it later and it's theere for an emergency (or if a visitor comes by with a laptop that need one ;)  )
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June 23, 2013 11:23:14 PM

Tradesman1 said:
So if you get one now, won't have to buy it later and it's theere for an emergency (or if a visitor comes by with a laptop that need one ;)  )


Spot on. Cheers Tradesman for the help.
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a c 370 K Overclocking
a c 1652 V Motherboard
June 23, 2013 11:41:24 PM

No problem, anything else ever comes up, give me a shout
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!