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GA-990FXA-UD3 ethernet controller disappeared

post #1 of 7
7/7/12 at 1:07pm
Thread Starter 
Hey, I recently got a new HD and when I installed it and booted up my system, Ethernet Controller disappeared. I cant even see it in device manager. When I downloaded the driver and installed it, it threw an error saying device not found. Tried re-seating RAM, VRAM, and even the HD's but no results. Did notice however in the BIOS that I couldn't access the smart LAN option. I have a feeling that even the BIOS inst seeing my Ethernet/LAN controller. Any ideas as to why my controller disappeared?
thanks

more info: Just noticed the Ethernet light is a constant green regardless of the computer being on or off or Ethernet cable being plugged in or not.
I looked this up and it looks like its a defective Ethernet port. Going to contact Gigabyte and see how it goes. will update later

the specs for my computer:
mobo: GA-990FXA-UD3
ram:8gb Sniper-Gskill-1600
cpu: phenom II x4 955 3.2ghz
gpu: 6950 Flex 2gb
HD: 2 TB
CPU - heatsink: Thermaltake Frio
Case: Antec 902
Edited by Panther - 7/8/12 at 9:04am
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post #2 of 7
7/9/12 at 8:53am
You might be right about defective port. But have you tried reseting BIOS?
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post #3 of 7
7/9/12 at 10:13am
Thread Starter 
Do i take the CMOS battery out for that or is there just a reset bios option? I have never actually had to do that before
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post #4 of 7
7/9/12 at 10:50am
There should be a button somewhere on motherboard to press. Check the back where all the USB ports are.
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Secondary: 2TB 7200rpm Secondary: 640GB 7200rpm Main: Crucial M4 128GB ASUS Blu-ray player CoolerMaster V6GT 
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post #5 of 7
7/20/12 at 10:00am
Thread Starter 
Sorry for the late update....but:

Tried resetting the CMOS, pulled out the battery, flashed previous bios i had saved, and reseated all but the CPU nothing changed and the controller never showed up. Also the Ethernet controller had a solid green led on. So I'm pretty sure that my controller has gone bad. Wrote to Gigabyte but they haven't responded yet.
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post #6 of 7
7/20/12 at 10:34am
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I lost the ethernet port on my Crosshair IV when I shorted out the USB port with my external HDD. RMAed for a CHV
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post #7 of 7
7/20/12 at 12:44pm
  • Schmuckley
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cheap ethernet card would be less $$ than shipping 2cents.gif
I have a couple I keep around..sound card, too wink.gif
I paid $3 for mine @ a used comp shop.
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Overclock.net › Forums › AMD › AMD Motherboards › GA-990FXA-UD3 ethernet controller disappeared