No Internet Unless I Enable LAN Boot ROM on Dell XPS 8700

samson1701 · Jun 14, 2014

Hello everyone, I'm hoping you can help me.

I no longer have an internet connection through my ethernet port unless I go into the BIOS and enable LAN Boot ROM. If I do that I have a connection but it shows up as, "network 2."

I've tried to connect over wifi, but it keeps asking me for a key.. I've never had to do that before nor do I know what that is. There were a couple of times I got to a wifi screen that asked for a password. I'd enter my password, but it kept telling me my password was incorrect. It's not.

I've a wireless printer. Could not print to that either although it shows up.

My router seems to be working. I'm using my iPad on it now to post this. Both the iPad and my girlfriend's Android tablet connect to it without any issues.

I have another hard drive that I installed XP on and it connects through the ethernet port no problem. Same machine.

This is all that I've done leading up to my connectivity issue:

I installed Virtualbox because I needed XP. It connected to the internet without issue. However, I didn't like it so I uninstalled it.

I then disconnected the main drive and installed XP on a secondary drive. To do so I had to enter the BIOS and put the machine in Legacy Mode to do this. I promptly downloaded and installed the Realtek driver and was able to connect to the internet. I shut down the PC, reconnected the main hard drive, put the computer back to its normal boot mode and restarted it. This is when I noticed I had no connection.

I was able to ascertain that the microsoft teredo tunneling adapter had a yellow sign next to it. Was able to correct that after much trial, error and poking around various forums.

I've tried to connect manually. Nothing.
I've upgraded the BIOS to A06 hoping that would "correct" any mistake I'd made.
I've reset all the BIOS settings back to their default selections. (Both manually and using F9).
I've uninstalled and reinstalled every network driver in the Device Manager section (including the invisible ones).
I've reset the TCP/Internet Protocol and the Winsock Protocol.

Finally, I did a total re-install of Windows 8. But, still no connectivity unless I enable LAN Boot ROM in BIOS.

Hoping someone can help me.

Thank you for your time.

i7Baby · Jun 14, 2014

Does the pc/mobo manual help?

Have you tried on Dell Communities?

Try only using one OS and downloading the drivers.

samson1701 · Jun 14, 2014

i7Baby :

Thanks for your reply.

I've done all of those. Been trying to work this out for days.

i7Baby · Jun 14, 2014

What OS is on your pc?

Nothing in the manual?

No help on Dell Communities?

samson1701 · Jun 15, 2014

i7Baby :

Soery about that. Nothing from ghe Dell forums, yet.

It'sWindows 8. I can't find anything in the manual that helps.

i7Baby · Jun 15, 2014

And you're connecting to the router via ethernet cable I gather.

What ethernet chip is on the motherboard? Look on Control Panel, Device Manager, Network Adapters. Is is shown as working? Are the drivers up to date?

samson1701 · Jun 15, 2014

Drivers are up to date. Can't look in device manager right now, I have to get going. We'll have to continue in the morning. Hopefully you'll still be able to help me then. Thank you so much for your time.

samson1701 · Jun 15, 2014

i7Baby :

Okay, I'm back. Sorry so late. But I appreciate your patience.

Anyway, not sure what ethernet chip is on the motherboard. But, the driver it's using is the Realtek PCIe GBF Family Controller. It seems to be working just fine.

Also, don't know if this means anything, but I ran ipconfig and the Autoconfiguration IPv4 Address is 169.254.234.247
Non of the other devices using this modem (all WiFi) have anything close to that. Maybe, that helps?

i7Baby · Jun 15, 2014

If its a dual band router, maybe they're using the other band.

Do you connect OK using Connect to a Network in Control Panel?

samson1701 · Jun 15, 2014

i7Baby :

No. Not so far. I get nothing.

i7Baby · Jun 15, 2014

So you can't even see a Network to Connect to?

samson1701 · Jun 15, 2014

i7Baby :

It just says, " unidentified network limited connectivity." That's all I get.

i7Baby · Jun 15, 2014

Maybe try a different wifi adapter eg http://www.newegg.com/Product/Product.aspx?Item=N82E16833320074&cm_re=wifi_adapter-_-33-320-074-_-Product

samson1701 · Jun 15, 2014

i7Baby :

I've been Googling this for a few days now. But, It's fixed! Thank you for your help!

I uninstalled the Realtek driver, enabled wifi and downloaded a new one from Dell. Installed that and I was good to go. Previously, I'd uninstall that driver, then restart the computer and there it was all over again. I'd run the driver update but when it was done, I still had the same issue; no ethernet connectivity. I still don't know why doing things the way I did worked, but it did.

So, if anyone else has this problem with the Dell XPS 8700 try these steps:

First download the ethernet driver from Dell and transfer it to your PC.

Under Device Manager > Network adapters delete the Realtek PCIe GBE Family Controller.. DO NOT RESTART THE PC, YET!

Run the driver installer..

When it's finished, then restart the PC.

You should have ethernet connectivity.

I'm not a computer guy. I just bumble around till I find something that works. So, anyone reading this having the same issues, take what I say with a grain of salt.

i7Baby · Jun 15, 2014

Beauty!

samson1701 · Jun 15, 2014

Can you tell me how to mark this as solved?

ggohil · Aug 6, 2014

I had the same problem. I found a solution by doing following.
1. Go to Device Manager, than to Network adaptor, select your network adaptor than right click and go to properties.
2. From properties go to tab click on Power Management and clear all the boxes.
3. Click on advance, select Speed & Duplex select 100Mbps half duplex.

Hope it work for you too.

Girish

antartis · Jan 18, 2015

Thank you Samson1701. Same problem and was having no luck despite the other 'possible' solutions posted on the internet. 'Loosely' followed your instructions albeit did it slightly differently and it worked like a charm!

What I did was -
01. Uninstall the existing driver.
02. Install fresh driver (Realtek 8111G-CG Network) from Dell's Drivers CD & done! Didn't have to restart.

Thanks again!

josephandrews222 · Feb 28, 2015

antartis :

I can confirm that this exact solution worked exactly as described on my new and fresh XPS 8700 in which I installed 8.1 on an mSATA that I purchased separately from the computer.

Thankfully I had requested the Windows 8.1 and Drivers/Utility Disks from Dell; I don't see the Realtek driver on Dell's webpage for the 8700 (perhaps I don't know what I am looking for).

To repeat, though (and thanks!)...what is described here works perfectly...with no restart necessary.

No Internet Unless I Enable LAN Boot ROM on Dell XPS 8700

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