17 January 2016

The Amazing Ethernet DongleMost people these days use WiFi. I’m not one of them, because the idea of being bathed 24/7 in multi-gigahertz radio waves just isn’t that appealing.

If you’re like me, then that means you’re using the ethernet jack on your puter. And if your puter is a laptop, you may run into a terribly annoying situation where your ethernet just stops working one day.

In a laptop, you can’t replace the ethernet jack and internals without replacing the entire motherboard…

Fortunately, there’s a quick and cheap way to get your ethernet back up and running – without breaking the bank!

Of course, you could just buy a new lappy… But that’s an expensive proposition.

Wouldn’t it be nice if you could use some other port on your laptop for your network cable connection?

Well, there is a way to do exactly that! It’s called an ethernet dongle.

Don’t ask me why the heck they call it a “dongle”. It’s a goofy word. But ethernet dongles are seriously handy devices.

They look something like this:

USB Ethernet Dongle

As you can see, one end is a USB plug. The other is an ethernet jack.

The idea is that you plug the gizmo into a free USB port on your lappy, and then plug the ethernet cable into the other end. Your puter will detect the new USB gizmo as a “communications device”, and hopefully your operating system will automatically detect the ethernet chip inside the dongle, install a driver for you, and poof! You’ve got a new network connection. You may commence surfing!

In some cases, you will need to install a driver that comes with the ethernet dongle, usually on one of those teeny-tiny CDs.

There are various types of ethernet dongles available, such as this one from Apple for the MacBook Air:

And here’s a gigabit, USB 3.0 ethernet dongle (note the blue USB plug):

A few final notes about what type of dongle to buy…

Normal USB 2.0 plugs have a maximum data rate of 480 Mbps (megabits per second). Fast ethernet is only 100 Mbps, and gigabit ethernet is 1000 Mbps.

Obviously, a USB 2.0 ethernet dongle will never actually reach gigabit ethernet speeds. So, if you want gigabit ethernet for copying files quickly over your home/work network, be sure to get a USB 3.0 ethernet dongle!

However, note that in many cases, you will need to install the driver that comes with a USB 3.0 ethernet dongle, whereas drivers are needed far less often with USB 2.0 / Fast Ethernet dongles.

Other than that, check for a compatibility notice before you buy. Most dongles on Amazon come with a note that Windows and Max OS X are supported, but Android is not, etc.  If you are using Windows or Linux, you should be pretty safe, even if you might have to install the included drivers when “plug-n-play” doesn’t quite work.

And there you have it! You can pay $10-20 and have a fully functional lappy again.

Finally, note that you can do the same for a desktop PC, which is a lot easier for those who prefer not to open their puter and install a PCI or PCI-E networking card!

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Quick Fix: Laptop ethernet doesn’t work
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2 thoughts on “Quick Fix: Laptop ethernet doesn’t work

  • 20 January 2016 at 15:09
    Permalink

    Thanks so much for the info. I must admit that I hate wifi and that I’m happy to learn that hint.

    Keep writing those great articles.

    Reply
  • 9 March 2016 at 16:51
    Permalink

    Yes, thank you for a informative piece. I shall give this a go and see how I fare. Cheers!

    Reply

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