The MB does not "find" the onboard LAN (Gigabyte X58 UD4)

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The root cause is found to be Ubuntu problem. Ubuntu built-in driver for Realtek has used the incorrect 8169.ko. 8169.ko will cause two registers inside LAN GPHY to have incorrect values, thus, causing the LAN GPHY stops working after system shuts down from Ubuntu. To solve this, you must clean out the built-in 8169.ko from Ubuntu. Install the correct driver from Realtek website 8168.ko.

All the motherboard vendors who ever using the Realtek LAN will have the same problem. Since it is the lousy Ubuntu built-in driver.
 
I signed up to post this because I was having problems with my network adapter. It is a rudimentary fix but it worked for me.

It would appear that when the pc goes into deep sleep sometimes the adapter simply doesnt "wake-up". After fiddling with software and drivers for an hour I just shut it down, unplugged it, pulled out the RAM and MOBO battery, put it back in, reconfirmed the cpu settings in the BIOS and booted......worked great.

Hopefully this will help people skimming through this forum looking to fix their Gigabyte Network Adapter.
 
I just signed up to say:

THANK YOU, SO MUCH!!

My internet was working perfectly yesterday - but overnight suddently stopped working!
I have had my PC for almost 1 year and this has NEVER ever happend before..

But taking out the RAM, MOBO battery, waiting a few mins and putting it all back in worked!

Thanks you!
 
hey guys i just purchased an msi 870a fuzion mb, and i installed it and hooked everything up, put fresh windows 7 my hdd, pluged in ethernet cable and it worked, i had internet, then all of the sudden bam i dont have internet anymore, tried and tried and tried to get it to work, uninstalled drivers then reinstalled them, tried device manager, tried bios stuff, tried some registry stuff, but still getting that same damn message about being in that stupid sleep mode ect.... i cannot figure it out, wtf, i know you guys are talking about gigabyte mbs but this is the same problem, i need your help please, i also lost my audio stuff to, and in my device manager i got that stupid yellow ! under my pci devices, i tried updating but it then says windows was unable to find driver software for my device, i have the cd that came with my board and i lose option in it, this sucks
 
First place to check is in Device Manager; select your LAN connection, right-click, select Properties; on the Advanced tab, check that 'Green Ethernet' is Disabled; on the Power Management, uncheck "Allow the computer to turn off this device to save power":
0282z.jpg
 



Thanks man, I had the same issue and this totally worked for me. I had recently flashed bios on my gigabyte z68 mobo and I didn't realize my ethernet controller
went out. Not sure if this is common or not.
Appreciate the info, hopes it helps others out too.
 
i had the same problem myself, i thought i'll pull my hair out. the ethernet card stopped working after waking from sleep on my hackintosh. after that i lost network access in ubuntu as well (couldn't boot to windows due a MBR error, but i suppose it wouldn't find the ethernet card as well). i couldn't google anything so i turned off the computer and switched off the power source and went to sleep. in the morning, the ethernet card woke up. hopefully the next time it is gonna happen it will be only a t10 minute dance/sleep :)

mobo: z68xp-ud4