1. Setup and Assembly
The ZUOYA GMK81 is a barebones mechanical keyboard kit, designed for customization. This section guides you through the initial setup, including switch and keycap installation, and connecting your keyboard.
1.1 Package Contents
Before you begin, ensure all components are present:
- ZUOYA GMK81 Keyboard Base (75% layout with TFT screen)
- USB-C Cable
- Keycap Puller
- Switch Puller
- 100 x Keycaps (if included in your specific kit)
- Additional switches (if included in your specific kit)
1.2 Installing Switches and Keycaps
The GMK81 features a hot-swappable PCB, allowing for easy installation and removal of 3-pin or 5-pin mechanical switches without soldering. Standard ANSI layout keycaps are supported.
- Using the provided switch puller, carefully align the switch with the hot-swap socket on the PCB. Ensure the pins are straight.
- Gently press the switch into the socket until it clicks into place. Do not force the switch, as bent pins can damage the socket.
- Repeat for all desired switches.
- Once switches are installed, use the keycap puller to place your chosen keycaps onto the switches. Ensure they are firmly seated.


1.3 Connectivity Options
The GMK81 supports three connection modes:
- Bluetooth 5.0: For wireless connection to compatible devices.
- 2.4GHz Wireless: Utilizes a USB dongle for a stable wireless connection.
- Type-C Wired: Connects directly via the included USB-C cable.
To switch between modes, use the toggle switch located on the keyboard. Refer to the "Operating Instructions" section for detailed pairing procedures.

2. Operating Instructions
2.1 Connecting Your Keyboard
The ZUOYA GMK81 offers flexible connectivity options:
- Wired Mode: Connect the USB-C cable from the keyboard to your computer. The keyboard will automatically switch to wired mode.
- 2.4GHz Wireless Mode: Locate the 2.4GHz USB dongle (usually stored in a compartment on the keyboard). Plug the dongle into an available USB port on your device. Toggle the switch on the keyboard to 2.4GHz mode. The keyboard should connect automatically.
- Bluetooth Mode: Toggle the switch on the keyboard to Bluetooth mode. On your device, search for Bluetooth devices and select "ZUOYA GMK81" to pair. The keyboard supports pairing with multiple Bluetooth devices (up to 5).

2.2 VIA Programmability
The ZUOYA GMK81 is VIA programmable, allowing you to remap keys, create macros, and customize shortcuts. Download the VIA software from the official ZUOYA website. Connect the keyboard in wired mode to ensure proper detection by the software.

2.3 TFT Screen Customization
The integrated TFT screen can display custom GIF images, RGB backlight modes, and other useful information. Use the dedicated software (available on the ZUOYA website) to upload and manage content for the screen.

Video: This video demonstrates the ZUOYA GMK81 Hot Swap Mechanical Keyboard Kit with its integrated screen, showcasing its features and design. The screen displays various animations and information.
2.4 RGB Backlighting
The keyboard features full RGB backlighting with 16.8 million colors and dynamic effects. Customize lighting via the VIA software or using onboard shortcuts (refer to the quick start guide for specific key combinations). The south-facing RGB LEDs ensure vibrant illumination.
2.5 Multimedia Knob
The dedicated multimedia knob provides convenient control over volume and media playback. Rotate to adjust volume, press to mute/unmute, or customize its function via VIA software.
3. Maintenance
Proper maintenance ensures the longevity and optimal performance of your ZUOYA GMK81 keyboard.
3.1 Cleaning
- Keycaps: Use the provided keycap puller to remove keycaps. Clean them with a mild soap solution and a soft cloth, then rinse and dry thoroughly before reattaching.
- Keyboard Base: Use a soft brush or compressed air to remove dust and debris from between the switches. Wipe the surface with a slightly damp, lint-free cloth. Avoid excessive moisture.
- TFT Screen: Gently wipe the screen with a microfiber cloth. Do not use harsh chemicals or abrasive materials.
3.2 Switch and Stabilizer Care
The hot-swappable design allows for easy switch replacement. If a switch feels inconsistent, it can be replaced. Stabilizers are pre-lubed to reduce rattle; however, if needed, they can be re-lubed for a polished sound and feel.
4. Troubleshooting
If you encounter issues with your ZUOYA GMK81 keyboard, refer to the following common solutions:
4.1 Connectivity Issues
- Wired Connection: Ensure the USB-C cable is securely connected to both the keyboard and your computer. Try a different USB port or cable.
- 2.4GHz Wireless: Verify the USB dongle is properly inserted and the keyboard is set to 2.4GHz mode. Try re-pairing by holding the Fn key + 4 (for 2.4Ghz mode) until the indicator light flashes.
- Bluetooth Connection: Ensure Bluetooth is enabled on your device and the keyboard is in Bluetooth pairing mode. Remove previous pairings from your device and re-pair. Try holding Fn + 1/2/3 to switch between Bluetooth profiles and initiate pairing.
- Battery: Ensure the keyboard battery is charged. Low battery can affect wireless performance.
4.2 Keys Not Responding
- Loose Switch: Carefully remove the keycap and switch. Reinsert the switch, ensuring pins are straight and fully seated in the hot-swap socket.
- Faulty Switch: If a specific key still doesn't work, the switch may be faulty. Replace it with a new one.
- Software Conflict: If multiple keys are affected, try resetting the keyboard to factory settings (refer to the quick start guide for instructions) or reinstalling the VIA software.
4.3 RGB Lighting Issues
- No Lights: Ensure the keyboard is powered on and connected. Check brightness settings via onboard controls or VIA software.
- Inconsistent Lights: Verify all switches are properly seated. If an individual LED is faulty, it may require professional repair.
5. Specifications
| Feature | Detail |
|---|---|
| Model Number | GMK81 |
| Layout | 75% (81 keys) |
| Connectivity | Bluetooth 5.0 / 2.4GHz Wireless / Type-C Wired (Tri-Mode) |
| Hot-Swappable | Yes (3-pin/5-pin mechanical switches) |
| Mounting Style | Gasket-Mounted |
| Backlighting | Full RGB (16.8 Million Colors, South-Facing LEDs) |
| Programmability | VIA Software Support |
| Display | Customizable TFT Screen |
| Battery Capacity | 3000mAh (Rechargeable) |
| Compatible Devices | PC, Laptops, Tablets, Mobile Phones (Win/Mac dual compatibility) |
| Item Weight | 1.9 pounds |
| Package Dimensions | 14.6 x 4.8 x 1.3 inches |
| Material | Plastic |
| Included Components | 100 x Keycaps (if included in your specific kit) |
6. Warranty and Support
ZUOYA products are designed for quality and durability. For specific warranty information, please refer to the warranty card included with your product or visit the official ZUOYA website.
For technical support, troubleshooting assistance, or to download the latest software and drivers, please visit the ZUOYA official support page or contact customer service through the details provided on the product packaging or website.
Online Resources:
- ZUOYA Official Store on Amazon
- VIA Software Download: Refer to the official ZUOYA website for the latest VIA software.



