Computer does not detect ethernet cable in port. Need help please!!

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abingham55

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Mar 5, 2014
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Alright, so around a week ago I was getting lunch, and a thunderstorm hit my city. When we came back, my roommate and my computer had both been forced off due to a power surge. My computer was hooked up to a surge protector, etc. The modem in our apartment was completely fried and had to be replaced. My computer will boot normally, and run everything normally except it will not detect an ethernet cable in my ethernet port. I have tried using two different cables, and tested the cables on other computers. Both work fine. What are my options at fixing this problem/replacing hardware with the lowest cost.
 
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Solandri
Consider yourself lucky. A lightning strike or power surge which takes out a modem/router can easily travel along network cables to fry any computers connected. If you live in a lightning-prone area, that's a good reason to consider a surge protector which will also filter the network, or air-gapping the network by using wifi.

Gigabit ethernet cards are about $10-$15. If you want quality, get the Intel Pro ones, but be prepared to pay a lot more. In general I haven't had any problems with the $15 Realtek ones (pretty much all the cheap ones are rebadged Realteks). Just make sure you get kind that fits in your computer (PCI or PCIe, or if it's an old computer, ISA).

If your computer was a laptop, that's going to be a lot tougher...
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Solandri

Solandri

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Jan 4, 2012
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Consider yourself lucky. A lightning strike or power surge which takes out a modem/router can easily travel along network cables to fry any computers connected. If you live in a lightning-prone area, that's a good reason to consider a surge protector which will also filter the network, or air-gapping the network by using wifi.

Gigabit ethernet cards are about $10-$15. If you want quality, get the Intel Pro ones, but be prepared to pay a lot more. In general I haven't had any problems with the $15 Realtek ones (pretty much all the cheap ones are rebadged Realteks). Just make sure you get kind that fits in your computer (PCI or PCIe, or if it's an old computer, ISA).

If your computer was a laptop, that's going to be a lot tougher since the ethernet hardware is usually built into the motherboard and there's no expansion slots. You may end up having to buy a USB 3 ethernet dongle and live with that, or always use wifi.
 
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