How do I upgrade my WiFi card?

My wifi connection to any wireless internet is crap. Are there any guides out there on how to upgrade my wifi card and where to purchase a new wifi card?

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Before you get started with the upgrade, make sure to unplug the power adapter from your laptop and remove the battery if possible. If you have a nonremovable battery, be careful not to accidentally turn on your laptop while you're working inside it.

Once you're inside your laptop and looking at your old Wi-Fi card, carefully detach the antennas from the old card, making note of how they're connected. You may want to take a photo of it for reference.

After the antennas have been detached, unscrew the old card from the mounting area, which should cause the card to pop up. Carefully lift it out of the slot.

Line up the contacts of your new Wi-Fi card to the slot, then carefully insert it at a slight angle. It will only fit in one way, so don't force it if it doesn't slide right in. Once it's properly seated, screw it down. Next, reattach the antennas, then close up your laptop.

When you turn your laptop back on, it's possible that the operating system will already have the correct drivers for the card you just installed. Even if that's the case, we recommend that you check for the latest drivers from the manufacturer's Web site. Once you've confirmed that your system has the most current drivers installed, join a wireless network and enjoy your new Wi-Fi card.

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On the third photo in this guide, you can see the wifi card. Disconnect the antenna wires and remove the card. Replace with new one and reconnect antenna wires.

As for buying a wifi card, I would recommend Amazon. They have quite a lot. I'd look for an 802.11AC card.

The guide is for a different model, but the concept is the same.

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