Realtek Network Controller not found
I just built a new system and installed Windows 7 on my SSD. When Windows tried to authenticate itself it failed as it could not connect to the internet. Upon closer inspection of my Ethernet Controller device, its properties says that "The drivers for this device are not installed". I ran the LAN Realtek driver installation that came with the motherboard but received the error: "The Realtek Network Controller was not found. If Deep Sleep Mode is enabled, Please Plug the Cable".
I have tried removing my RAM and motherboard battery for 10 minutes, but that did not fix it. I've also resetted my UEFI BIOS but that did not work either.
Do I have a defected motherboard, or is there a step I am missing.
I want to note that prior to installing Windows 7 on my SSD, I ran MemTest86+ for several hours on my RAM. I also installed Windows 7 on another hard drive to run Prime95 for several hours. That hard drive that contains Prime95 + Windows 7 is not connected to the motherboard.
did you double check to ensure that it isn't turned off in the bios?
Did you check the website to see if there's an updated driver or perhaps a different motherboard version with a different lan (I've never seen this on a desktop motherboard, but multiple lan options are common with laptops)?
I am using an ASRock Z77 Extreme4 motherboard
Did you install all of the chipset drivers? Maybe there's some kind of wierd dependancy that requires base chipset drivers to be installed for the lan to be recognised.
It's strange though that device manager reconises the port, but won't accept the drivers. Did you point to the drivers from within device manager?
You might also want to remove the lan from device manager and then allow it to be picked up again on the next boot. Once you delete it, go through the remove programs and ensure that you delete any and all network drivers.
I will do that shortly. This is what my device manager looks like... not sure if it is helpful or not.
imgur: the simple image sharer
Yeah, you're missing a lot of devices which suggests to me that a core motherboard driver is not installed. Did you use the install disk or just attempt to install individual devices?
Is this a clean install, or are you attempting to transfer an OS disk over to new hardware?
LAN - PCIE x1 Gigabit LAN 10/100/1000 Mb/s
- Broadcom BCM57781
- Supports Wake-On-LAN
- Supports Energy Efficient Ethernet 802.3az
- Supports PXE
The Captain is right. You don't have a Realtek LAN controller.
Stupid me, I didn't install my motherboard drivers properly last night. Must have forgot about it and assumed it worked this morning. Thanks for the help guys :)
rule of thumb .....go to sleep
for will complete fast on a good nights sleep
first before OS install collect all current harware drivers and update firmware for MotherBoard using
also pay attention to MB Revisions for same model name but different hardware on MB
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