Introduction
This manual provides essential instructions for setting up, operating, maintaining, and troubleshooting your HP EliteDesk 800 G3 Mini PC with dual 24-inch monitors. Please read this manual thoroughly before using your new computer system to ensure optimal performance and longevity.

Image: The complete HP EliteDesk 800 G3 Mini PC setup, including the compact PC unit, two 24-inch monitors, a keyboard, a mouse, and a USB hub, arranged on a desk.
What's in the Box
Verify that all items are present in your package:
- HP EliteDesk 800 G3 Mini PC
- 2 x 24-inch Monitors
- Keyboard
- Mouse
- Power Cables for PC and Monitors
- Video Cables (DisplayPort/VGA as applicable)
- Wi-Fi 6e & Bluetooth 5.2 AX210 WiFi Card (pre-installed or included)
Product Overview
The HP EliteDesk 800 G3 Mini PC is a compact and powerful desktop solution designed for efficiency. It features an Intel i7-6700 processor, 32GB DDR4 RAM, and a 1TB M.2 NVMe SSD for fast performance. Integrated Wi-Fi 6e and Bluetooth 5.2 provide seamless wireless connectivity. The bundle includes two 24-inch monitors, offering an expansive viewing area for multitasking.
Mini PC Features
- Processor: Intel i7-6700 (4 GHz)
- RAM: 32GB DDR4
- Storage: 1TB M.2 NVMe SSD
- Graphics: Integrated Intel HD Graphics 530
- Connectivity: Wi-Fi 6e, Bluetooth 5.2, Ethernet
- Operating System: Windows 10 Pro 64-Bit
- Ports: Multiple USB 3.0, USB-C, DisplayPort, VGA, Audio ports
Monitor Features

Image: A 24-inch monitor displaying its key features, including 75Hz refresh rate, IPS panel, 1080p Full HD resolution, eye care technology, and flicker-free operation.
- Screen Size: 23.8 Inches (each)
- Resolution: 1920 x 1080 (Full HD)
- Refresh Rate: 75Hz
- Panel Type: IPS
- Features: Eye care, Flicker-Free
Setup Guide
1. Unpacking and Placement
- Carefully remove all components from their packaging.
- Place the HP EliteDesk 800 G3 Mini PC on a stable, flat surface with adequate ventilation.
- Position the two 24-inch monitors on your desk, ensuring they are stable and at a comfortable viewing height.

Image: The HP EliteDesk 800 G3 Mini PC positioned centrally between two 24-inch monitors, demonstrating a typical dual-monitor desk setup.
2. Connecting the Mini PC and Monitors

Image: A detailed view of the rear ports of the HP EliteDesk 800 G3 Mini PC, with labels for USB-C, USB 3.1 Gen1, audio ports, DisplayPorts, Ethernet, and the power button.
- Connect the power cable to the Mini PC and then to a power outlet.
- Connect the power cables to each monitor and then to power outlets.
- Connect the monitors to the Mini PC using the provided video cables (DisplayPort is recommended for optimal performance). The Mini PC has two DisplayPorts and one VGA port. Ensure you use the correct cables for your monitors.
3. Connecting Peripherals
- Connect the keyboard and mouse to the available USB ports on the Mini PC.
- If using external speakers, connect them to the audio output port on the Mini PC.
- For wired internet, connect an Ethernet cable from your router/modem to the Ethernet port on the Mini PC. For wireless internet, the system is equipped with built-in Wi-Fi 6e.

Image: A visual comparison illustrating the convenience of the HP EliteDesk 800 G3 Mini PC's built-in Wi-Fi 6e, eliminating the need for network cables compared to older systems.
4. Initial Power On
- Press the power button on the Mini PC.
- Turn on both monitors.
- Follow the on-screen instructions to complete the Windows 10 Pro setup.
Operating Instructions
Windows 10 Pro
Your Mini PC comes pre-installed with Windows 10 Pro. Familiarize yourself with the operating system's interface, Start Menu, and basic navigation. Regular updates are recommended for security and performance.
Wi-Fi and Bluetooth Connectivity
- Wi-Fi: To connect to a wireless network, click the Wi-Fi icon in the taskbar, select your network, and enter the password.
- Bluetooth: To pair Bluetooth devices, go to Settings > Devices > Bluetooth & other devices, turn on Bluetooth, and select your device to pair.
Using Dual Monitors
To configure your dual monitors:
- Right-click on an empty area of your desktop and select "Display settings".
- Under "Rearrange your displays", you should see two numbered boxes representing your monitors.
- You can drag these boxes to match the physical arrangement of your monitors.
- Under "Multiple displays", choose how you want to use the displays (e.g., "Extend these displays" for more desktop space, or "Duplicate these displays" to show the same content on both).
Specifications
| Component | Detail |
|---|---|
| Brand | HP |
| Series | HP 800 G3 |
| Model Number | HP EliteDesk 800 G3 Mini |
| Processor | Intel i7-6700 (4 GHz) |
| RAM | 32 GB DDR4 |
| Hard Drive | 1 TB M.2 NVMe SSD |
| Graphics Coprocessor | Intel HD Graphics 530 (Integrated) |
| Operating System | Windows 10 Pro |
| Wireless Connectivity | Wi-Fi 6e, Bluetooth 5.2 |
| USB 3.0 Ports | 6 |
| Monitor Screen Size | 23.8 Inches (each) |
| Monitor Resolution | 1920 x 1080 (Full HD) |
| Monitor Refresh Rate | 75Hz |
| Monitor Panel Type | IPS |
| Item Weight | 25 pounds (total bundle) |
| Product Dimensions (Mini PC) | 6.9 x 7 x 1.3 inches |
Maintenance
Cleaning
- Regularly dust the Mini PC and monitors with a soft, dry cloth.
- For stubborn marks on monitors, use a screen-safe cleaner and a microfiber cloth.
- Ensure ventilation openings on the Mini PC are clear of dust and obstructions to prevent overheating.
Software Updates
Keep your Windows operating system and drivers updated. Windows Update can be accessed via Settings > Update & Security > Windows Update.
Storage Management
Periodically review your 1TB SSD storage. Delete unnecessary files and uninstall unused programs to maintain optimal performance.
Troubleshooting
- No Display on Monitors:
- Ensure all power cables are securely connected to the PC, monitors, and power outlets.
- Verify video cables (DisplayPort/VGA) are firmly connected to both the Mini PC and monitors.
- Check if monitors are set to the correct input source (e.g., DisplayPort 1, DisplayPort 2).
- No Internet Connection (Wi-Fi):
- Confirm Wi-Fi is enabled in Windows settings.
- Ensure you are connected to the correct Wi-Fi network and have entered the password correctly.
- Restart your router/modem and the Mini PC.
- Peripherals (Keyboard/Mouse) Not Responding:
- Check USB connections. Try different USB ports.
- For wireless peripherals, ensure batteries are charged/replaced and the USB receiver (dongle) is properly inserted.
- Slow Performance:
- Close unnecessary applications running in the background.
- Check for and install any pending Windows updates.
- Run a disk cleanup to free up storage space.
Warranty and Support
This renewed computer system is backed by a 90-day warranty. Additionally, you receive 1 year of free technical support. If you encounter any issues with your purchase, please contact the seller for assistance. They aim to respond within 24 hours.
For further assistance, refer to the official HP support website or the documentation provided with your monitors.