Reset your wired keyboard source
Most Corsair keyboards have a reset function for fixing unexpected issues.
If you have a K95 RGB Platinum or any MK2 keyboards:
Unplug the keyboard.
With the keyboard unplugged, hold down the ESC key.
While holding down the ESC key, plug the keyboard back into the computer.
Keep holding the ESC key until the keyboard begins to flash.
Unplug the keyboard again, then plug it back in.
I'm sure you've tried the above and plugged into different usb ports as part of your troubleshooting. If you're still experiencing macro loss i would warranty replace it.
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