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I just bought this usb ac051 wifi adapter because my wireless wifi stopped working presumably because something inside the computer related to the wifi broke.

I followed the instructions and used tar to extract the folder containing all the files I need to edit.

I am stuck because I have no idea where I am supposed to download the kernel source code in the included link.And the rest of the instructions make little sense to me and I keep on getting all kind of annoying errors when trying the rest of the commands that do make sense. I can't list my errors right now because I am so exhausted right now after sitting here for hours trying to make my adapter work. Please help!!!. This is what I found when I typed lsusb

Bus 002 Device 003: ID 0b05:17d1 ASUSTek Computer, Inc. AC51 802.11a/b/g/n/ac Wireless Adapter [Mediatek MT7610/Ralink RT2870]

  • Let's start by identifying your exact USB device. Please edit your question to add the result of the terminal command: lsusb Welcome to Ask Ubuntu. – chili555 Jan 3 at 14:50
  • I just added it. – Swedish ubuntugeek Jan 3 at 14:57
  • Please see my answer here: askubuntu.com/questions/1083281/… Frankly, I doubt that it will ever work. Can you return the device? Sorry for the discouraging reply. – chili555 Jan 3 at 15:13
  • I would attempt askubuntu.com/a/1058790 as I. Think a few have it working – Jeremy31 Jan 3 at 15:26
  • Everything was fine until the last step with sudo insmod when it says could not insert module mt7510u.ko unknown symbol in module – Swedish ubuntugeek Jan 3 at 15:43
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For now the solution is

sudo apt install git build-essential
git clone https://github.com/ulli-kroll/mt7610u.git
cd mt7610u
make
sudo make installfw
sudo cp mt7610u.ko /lib/modules/$(uname -r)/kernel/drivers/net/wireless/
sudo depmod -a
make clean
When a kernel update occurs you will need to recompile
cd mt7610u
make
sudo cp mt7610u.ko /lib/modules/$(uname -r)/kernel/drivers/net/wireless/
sudo depmod -a
Reboot

I have forked the ulli-kroll github and will work on a dkms solution when I have time. DKMS will automatically compile the module when a new kernel is installed

DKMS Support: For those who have already downloaded from the ulli-kroll github do

rm -rf mt7610u

For new users and ones that have deleted the existing mt7610u directory in /home

sudo apt install git dkms build-essential
git clone https://github.com/jeremyb31/mt7610u.git
sudo dkms add ./mt7610u
sudo dkms install mt7610/1
cd mt7610u
sudo make installfw

Reboot and check BIOS to make sure Secure Boot is disabled.

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