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Help with GA-P35-DS3L onboard ethernet

Forum Motherboards & Memory : Gigabyte - Help with GA-P35-DS3L onboard ethernet

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krtismo   06-23-2009 at 11:46:51 PM

We had a storm over the weekend with lots of lightning, I was out of town when it came through, but when I returned home I found our AT&T router would not turn on and had apparently been damaged by some sort of power surge during the storm, along with a couple of cable boxes. Now that all of those items have been replaced, my computer is still saying that the network cable is unplugged, but the internet works fine on every other computer in the house.

Is it possible that the power surge damaged the onboard ethernet portion of my motherboard?

What should I do?

Thanks!

-Kurt

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Bronze Motherboards badge GhislainG   06-24-2009 at 12:21:36 AM
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Try a different port on the router and a different cable. If that doesn't work, then you know that the port is defective.

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Bronze Motherboards badge o1die   06-24-2009 at 12:22:58 AM
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Go to windows control panel and check the device manager under "system". If your lan device is disabled, it will have a mark next to it in the hardware section, and you can try reinstalling the device driver. If all is well, then try a cheap pci lan card. I got one for 88 cents on sale at frys electronics. The regular price is about $6. It's cheaper than replacing the motherboard.

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Silver Motherboards badge bilbat   06-24-2009 at 02:52:58 AM
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really comprehensive windows diagnostics for your RTL8111B NIC; was going to send you here:
http://www.realtek.com.tw/download [...] Down=false
where I got mine, but it appears to have been discontinued (stole someone's proprietary code??), so I tracked a copy down by filename:
http://rapidshare.com/files/123870 [...] _v1003.zip
Should give you a pretty good idea of whether it's toast or what...

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krtismo   06-25-2009 at 03:09:32 AM
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Thanks for the help guys!

Anyone have a good recommendation for a nice ethernet card for a good price??

I've never shopped for one before.

-Kurt

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Bronze Motherboards badge GhislainG   06-25-2009 at 04:15:21 AM
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Either a link or the make/model would help.

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krtismo   06-25-2009 at 12:31:16 PM
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Link is up.

Would that card work for me? I'm ordering stuff from monoprice anyways and would like to get the card at the same time.

Thanks!

Message quoted 1 times
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rojito   06-25-2009 at 03:09:14 PM
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if you have an empty pci slot, any card should work. If the router is 1000 Mbps you should get a card capable of that (not mandatory)


Message edited by rojito on 06-25-2009 at 03:11:15 PM
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jtt283   06-25-2009 at 03:23:47 PM
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A card is cheaper than the mobo, but if lightning croaked your ethernet port, the possibility of other damage can't be overlooked. I'd consider this a short term solution, as you may need a new mobo anyway.
They cost a little more, but if your router is wireless, consider a wireless adapter. That way, even if you ultimately replace the mobo, you have added a capability you wouldn't otherwise have.

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Bronze Motherboards badge GhislainG   06-25-2009 at 05:29:26 PM
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krtismo wrote :

Link is up.

Would that card work for me? I'm ordering stuff from monoprice anyways and would like to get the card at the same time.

Thanks!

It should work fine.

Reply to GhislainG
krtismo   07-04-2009 at 08:01:42 PM
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Well, it seems my worst fears are coming true.

I installed an ethernet card and everything was working again. Now today my computer has become completely unstable. It has been locking up or crashing about a minute or two after startup. I'm guessing that the motherboard suffered other damage from the lightning, and its just beginning to show up.

Would you agree? Should I replace the motherboard?

Thanks!

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Silver Motherboards badge bilbat   07-04-2009 at 08:12:59 PM
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Quote :

I'm guessing that the motherboard suffered other damage from the lightning, and its just beginning to show up.


Entirely possible; transistor 'junction punctures' due to high dV/dT can be small enough to allow the transistor to work - but leakage across the 'hole' will degrade it worse over time; just a guess - we can do some more troubleshooting, but will need more comprehensive info on your actual hardware; always possible you've got a stick of RAM that's 'going', too...

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krtismo   07-06-2009 at 04:20:27 PM
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How should I troubleshoot this?

I would like to find the failing hardware.

Thanks

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jtt283   07-06-2009 at 05:11:48 PM
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Component-level diagnosis and repair on a multi-level motherboard is almost certainly beyond the capacity of any equipment you are likely to have. I certainly don't have it, and other than obvious, visible damage to easily accessible components, this kind of repair isn't something I'd consider even remotely likely to succeed.

------------------------------ There is ALWAYS a drone. Exactly where, or how many drones you will encounter may vary, but that there will be at least one will not.
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