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i use laptop but i want to use external usb keyboard for more convenient works. i know that lot of people have problem with this ctrl, alt and super key register as shift. and they all seem successful using this Swoogan/aziokbd tool in bit bucket.

i tried to install it and change the quirks from 0004 to 0007 and Create a new file in /etc/default/grub.d/.

GRUB_CMDLINE_LINUX_DEFAULT='usbhid.quirks=0x0c45:0x7603:0x4'

but my keyboards ctrl, alt, super still works as shift. i'm using laptop in Ubuntu 18.04

this is my lsusb output :

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 006: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 005: ID 0408:a030 Quanta Computer, Inc. 
Bus 001 Device 004: ID 04ca:3015 Lite-On Technology Corp. 
Bus 001 Device 003: ID 1bcf:0005 Sunplus Innovation Technology Inc. Optical Mouse
Bus 001 Device 008: ID 1c4f:0056 SiGma Micro  //<<< this is my usb keyboard
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

this is my lsmod | grep -e usbhid -e aziokbd output :

usbhid                 49152  0
aziokbd                20480  0
hid                   118784  2 hid_generic,usbhid

this is my /etc/modprobe.d/usbhid.conf

options usbhid quirks=0x0c45:0x7603:0x0007
//i change it to 0004 and 0007 still not works

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