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Windows 7: Ethernet Controller vanishes from Device Manager on reboot

12 Sep 2013   #1
Webbiz

Windows 7
 
 
Ethernet Controller vanishes from Device Manager on reboot

I have a very strange problem on my Windows 7 Ultimate (64) system.

My Lan Connection is via a Marvel Yukon 88E8053 PCI-E Gigabit Ethernet Controller on a ASUS P5W DH Deluxe MB.

Usually when I shut down for the night, I only put the system in SLEEP mode, thus each day I wake it up and all is well.

But occasionally I have to shut down or reboot the computer, like after installing updates or whatever.

When I do a full reboot, I lose my Lan Connection.

Go to Change Adapter Settings and the Local Area Connection icon is GONE! Worse yet, you cannot add a new on because if you go to the Device Manager you find that the controller DEVICE itself is missing!

Rebooting once or a hundred times does not fix this.

Just reinstalling the Marvel drivers does not fix this.

Apparently also doing the following seems to work once in awhile:

netsh int ip reset
ipconfig -flushdns
netsh winsock reset

I do all three, although I cannot say for sure if doing only one or two of those things would be enough.

Unfortunately, the next time I reboot I'm going to have to do this again...and again...and again.

Why?

Does anyone have any idea why this is happening and how to get my connection to stay put through reboots?

Thanks.


My System SpecsSystem Spec
.
12 Sep 2013   #2
maxie

windows 7 home 64bit
 
 

Hi Webbiz Welcome to Seven Forums ... Only have one idea which is worth a shot .. Turn your Computer off unplug from the power wait ten mins .. See if that helps
My System SpecsSystem Spec
12 Sep 2013   #3
MilesAhead

Windows 7 32 bit
 
 

Next time you get it to come up, look in Device Manager. See if there's any setting for power management. Maybe it's set to power down on shutdown. Setting it to stay on always may fix it if you're lucky.
My System SpecsSystem Spec
.

13 Sep 2013   #4
Webbiz

Windows 7
 
 
Power Management

It is set under PROPERTIES | Power Management (tab) to "Allow the computer to turn off this device to save power."

I've unchecked it. It greyed out the other two options, one that I need to WAKE the computer.

I'll see if this helps next time I have to reboot. Since I have so much work to do, I don't just want to reboot now. Will report back here in a few days when I have to reboot again for updates to take as usual.

Thanks.
My System SpecsSystem Spec
20 Sep 2013   #5
Webbiz

Windows 7
 
 
Rebooted and Connection Worked

Well, I finally rebooted the machine and this time the connection came up. Although that is just one test, it looks promising.

Thanks.

My System SpecsSystem Spec
20 Sep 2013   #6
maxie

windows 7 home 64bit
 
 

Glad you seem to have it sorted
My System SpecsSystem Spec
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 Ethernet Controller vanishes from Device Manager on reboot




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