Use the A4Tech Pair ID Program (often included in the software download) to sync the keyboard to the receiver again if the signal drops.
Older keyboard or mouse software from competing brands can conflict with A4Tech utilities. Go to and uninstall any legacy peripheral software you no longer use. Hardware ID Matching a4tech gk-85 driver download
If you previously used a different brand of programmable keyboard, old software might conflict with the A4Tech driver. Open the Windows . Use the A4Tech Pair ID Program (often included
You only need additional software if you want to: Hardware ID Matching If you previously used a
: If your combo supports gestures, you may need the "16-in-One" utility often found on the A4Tech Global Download page.
You can save up to 5 profiles directly to the keyboard’s onboard memory. This means if you take the keyboard to another computer, your macros and lighting stay active (even without the driver installed).