Introduction
This manual provides essential instructions for setting up, operating, maintaining, and troubleshooting your HP EliteOne 800 G3 All-in-One Desktop. Please read this guide thoroughly to ensure proper use and longevity of your device.
1. Setup
1.1 Unpacking the Device
Carefully remove all components from the packaging. Ensure the following items are present:
- HP EliteOne 800 G3 All-in-One Desktop
- Wired Keyboard
- Wired Mouse
- AC Adapter
1.2 Connecting Peripherals
Connect the wired keyboard and mouse to the available USB ports on the rear or side of the All-in-One desktop. Refer to the "Ports and Connectors" section for port locations.
1.3 Power Connection
- Connect the AC adapter cable to the power input port on the back of the desktop.
- Plug the other end of the AC adapter into a grounded electrical outlet.
1.4 Initial Boot-Up
Press the power button, typically located on the side or bottom bezel of the display. The system will initiate the Windows 10 Pro operating system. Follow any on-screen prompts for initial setup, including language selection (English/Spanish/French supported) and network configuration.

Figure 1: Front view of the HP EliteOne 800 G3 All-in-One Desktop with connected keyboard and mouse, displaying the Windows 10 desktop.
2. Operating Instructions
2.1 Windows 10 Pro Overview
Your HP EliteOne 800 G3 comes pre-installed with Windows 10 Pro (64-bit). This operating system offers a familiar interface for productivity and entertainment. It supports multiple languages including English, Spanish, and French.
2.2 Display Features
The device features a 23.8-inch Full HD (1920x1080) display, providing clear visuals for various tasks. Adjust display settings via the Windows display options.

Figure 2: Angled view of the HP EliteOne 800 G3, showcasing the display and side profile.
2.3 Processor and Memory
Equipped with an Intel Core i5-6500T processor (3.2GHz) and 16GB DDR4 RAM, the system is designed for efficient multitasking and general computing needs.
2.4 Storage
A 256GB SSD (Solid State Drive) provides fast boot times and quick application loading. This storage type offers improved performance compared to traditional hard drives.
2.5 Connectivity
The device supports wireless connectivity via Wi-Fi (802.11ac protocol) and Bluetooth. For wired connections, an RJ45 network interface is available. Various USB ports are provided for connecting external devices.
2.6 Ports and Connectors
The HP EliteOne 800 G3 features a range of ports for connecting peripherals and external displays:
- 6 x USB 3.1 Type-A ports
- 1 x USB 3.1 Type-C port
- Audio Interface (Headphone Output, Microphone Input)
- HDMI Video Interface
- DisplayPort
- RJ45 Network Interface

Figure 3: Bottom view of the HP EliteOne 800 G3, highlighting the various input/output ports.
3. Maintenance
3.1 Cleaning
To maintain optimal performance and appearance:
- Use a soft, lint-free cloth to gently wipe the screen. Avoid harsh chemicals.
- For the chassis, use a slightly damp cloth. Ensure no liquid enters openings.
- Regularly clean dust from vents to prevent overheating.
3.2 Software Updates
Keep your Windows 10 Pro operating system and drivers updated. This ensures security, stability, and access to the latest features. Access Windows Update through the Settings menu.
3.3 General Care
Avoid placing heavy objects on the device. Operate the desktop in a well-ventilated area, away from direct sunlight and excessive heat or moisture.
4. Troubleshooting
This section addresses common issues you might encounter. For more complex problems, refer to HP's official support resources.
4.1 No Power
- Ensure the AC adapter is securely connected to both the desktop and the power outlet.
- Verify the power outlet is functional by plugging in another device.
- Try a different power outlet if available.
4.2 Display Issues
- If the screen is blank, ensure the device is powered on.
- Check display settings in Windows if the resolution or scaling appears incorrect.
4.3 Peripheral Connection Problems
- Ensure the keyboard and mouse cables are firmly plugged into the correct USB ports.
- Try connecting the peripherals to different USB ports.
- Restart the computer.
5. Specifications
Below are the detailed technical specifications for the HP EliteOne 800 G3 All-in-One Desktop:
| Feature | Specification |
|---|---|
| Model | HP EliteOne 800 G3 All-in-One (800G3 AIO) |
| Processor | Intel Core i5-6500T (3.2GHz) |
| RAM | 16GB DDR4 |
| Storage | 256GB SSD |
| Operating System | Windows 10 Pro (64-bit, multilingual) |
| Display | 23.8" FHD (1920x1080) |
| Graphics | Intel HD Graphics 530 (Integrated) |
| USB Ports | 6 x USB 3.1 Type-A, 1 x USB 3.1 Type-C |
| Video Output | HDMI, DisplayPort |
| Network | RJ45 Ethernet, Wi-Fi (802.11ac) |
| Wireless | Bluetooth, Wi-Fi |
| Dimensions (LxWxH) | 10 x 9 x 1 inches (Desktop unit only, without stand) |
| Weight | 28.7 pounds |

Figure 4: Rear view of the HP EliteOne 800 G3, showing the stand attachment and some rear ports.
6. Warranty and Support
6.1 Warranty Information
This renewed product is backed by a 90-day warranty, provided by Amazon-qualified suppliers. This warranty covers defects in materials and workmanship under normal use.
6.2 Technical Support
For technical assistance, troubleshooting, or warranty claims, please contact the Amazon-qualified supplier from whom the product was purchased. You may also refer to the official HP support website for general product documentation and driver downloads.