Introduction
This manual provides essential information for setting up, operating, maintaining, and troubleshooting your STGSivir 22-inch All-in-One Desktop Computer. Please read these instructions carefully before using the product to ensure proper function and longevity.

Figure 1: STGSivir 22-inch All-in-One Desktop Computer (Front View)
Package Contents
Verify that all items are present in the package:
- STGSivir 22-inch All-in-One Desktop Computer
- RGB Keyboard
- RGB Mouse
- Power Adapter
- User Manual (this document)
Setup
Follow these steps for initial setup:
- Unpack the Computer: Carefully remove the All-in-One computer and all accessories from the packaging.
- Position the Computer: Place the computer on a stable, flat surface with adequate ventilation.
- Connect Keyboard and Mouse: Connect the wired RGB keyboard and mouse to the available USB ports on the rear of the computer.
- Connect Power: Plug the power adapter into the DC-in port on the back of the computer, then plug the other end into a power outlet.
- Power On: Press the power button, usually located on the side or bottom bezel of the display. The computer will boot up and guide you through the Windows 11 Home setup process.
- Initial Windows Setup: Follow the on-screen instructions to configure Windows 11, including language, region, network connection, and user account settings.

Figure 2: Rear Ports of the All-in-One PC

Figure 3: Detailed View of Connectivity Ports
Operating Instructions
Basic Operation
- Power On/Off: Press the power button to turn the computer on. To turn off, go to the Start Menu in Windows and select Power > Shut down.
- Sleep Mode: To put the computer into sleep mode, go to the Start Menu and select Power > Sleep. Press any key or move the mouse to wake it up.
Connectivity
- Wi-Fi: Connect to wireless networks through the Windows network settings. The computer supports Wi-Fi 5 (802.11ac).
- Bluetooth: Pair Bluetooth devices like headphones or speakers via Windows Bluetooth settings. The computer supports Bluetooth 5.0.
- USB Devices: Connect external storage, printers, or other peripherals to the available USB 3.0 ports.
- External Displays: Use the HDMI or VGA ports to connect an additional monitor or projector.
Integrated Features
- Webcam: The built-in webcam is ready for video calls and online meetings. Access it through applications like Microsoft Teams, Zoom, or the Camera app.
- Speakers: The integrated speakers provide audio output. Adjust volume through Windows sound settings or the keyboard media keys.

Figure 4: User Engaged with the All-in-One PC
Maintenance
Proper maintenance ensures optimal performance and extends the life of your computer:
- Cleaning: Use a soft, lint-free cloth to clean the screen and exterior. For stubborn marks, dampen the cloth slightly with water or a screen-safe cleaner. Avoid harsh chemicals.
- Software Updates: Regularly check for and install Windows updates to ensure your system has the latest security patches and performance improvements. Go to Settings > Windows Update.
- Ventilation: Ensure the computer's vents are not obstructed to prevent overheating.
- Data Backup: Periodically back up important data to an external drive or cloud storage to prevent data loss.
Troubleshooting
If you encounter issues, refer to the following common solutions:
| Problem | Solution |
|---|---|
| Computer does not power on. | Ensure the power adapter is securely connected to both the computer and a working power outlet. Try a different outlet. |
| Keyboard or mouse is unresponsive. | Check USB connections. Try plugging the keyboard/mouse into a different USB port. Restart the computer. |
| No Wi-Fi connection. | Check if Wi-Fi is enabled in Windows settings. Restart your router and the computer. Ensure correct Wi-Fi password is entered. |
| Computer freezes or is slow. | Close unnecessary applications. Check for sufficient free disk space. Run a virus scan. Ensure Windows is updated. If persistent, consider contacting support. |
| Webcam not working. | Check privacy settings in Windows to ensure applications have permission to access the webcam. Ensure no physical cover is blocking the lens. |
For issues not covered here or if problems persist, please contact STGSivir customer support.
Specifications
Key technical specifications for the STGSivir All-in-One Desktop Computer:
| Feature | Detail |
|---|---|
| Brand | STGSivir |
| Model Number | SIV0123 |
| Operating System | Windows 11 Home (64-bit) |
| Display | 22-inch FHD (1920x1080) LED |
| Processor | Intel Core i5 (up to 3.7GHz) |
| Graphics | Integrated Intel UHD Graphics 630 |
| RAM | 16GB SODIMM (Max 32GB) |
| Storage | 512GB SSD (M.2-NVMe) |
| Wireless Connectivity | Wi-Fi 5 (802.11ac), Bluetooth 5.0 |
| Ports | USB 3.0, 1x RJ-45 (Ethernet), 1x HDMI, 1x VGA |
| Built-in Features | Webcam, Speakers |
| Included Peripherals | RGB Keyboard & Mouse |
| Dimensions | 22.5 x 20 x 7.8 inches |
| Weight | 8.1 Kilograms |
Warranty and Support
STGSivir provides comprehensive support for your All-in-One Desktop Computer:
- Warranty: The product includes a 1-year warranty covering parts and labor.
- Technical Support: Free lifetime technical support is available for troubleshooting and assistance.
Contact Information
For any inquiries or support needs, please use the following contact methods:
- Email: support@astsys.com
- Phone: 1-855-489-0795 (EXT.224) (Monday-Friday 9am-5pm EST)

Figure 5: STGSivir Support Information