1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your HP EliteDesk 800 G4 4CB30UT Mini Desktop. Please read these instructions carefully before using your device to ensure optimal performance and longevity.
The HP EliteDesk 800 G4 is a compact and powerful mini desktop designed for various computing needs, featuring an Intel Core i5-8500T processor, 8 GB DDR4 SDRAM, and a 256 GB M.2 PCIe Solid State Drive, running on Windows 11 Pro.

Figure 1: Front view of the HP EliteDesk 800 G4 Mini Desktop, showing the power button, USB-C port, USB 3.1 ports, and audio jacks.
2. Package Contents
Upon unpacking, please verify that all components are present. The standard package typically includes:
- HP EliteDesk 800 G4 4CB30UT Mini Desktop unit
- AC Power Adapter and Power Cord
- Documentation (Quick Start Guide, Safety Information)
- (Optional, depending on retailer): Keyboard and Mouse
If any items are missing or damaged, please contact your retailer or HP support immediately.
3. Setup Instructions
3.1 Connecting Peripherals
- Connect Display: Connect your monitor to one of the available display ports (DisplayPort or VGA) on the rear of the mini desktop using an appropriate cable.
- Connect Keyboard and Mouse: Plug your USB keyboard and mouse into any available USB ports on the front or rear of the mini desktop.
- Connect Network (Optional): For a wired network connection, connect an Ethernet cable from your router or modem to the RJ-45 Ethernet port on the rear of the mini desktop. For wireless, ensure your Wi-Fi network is available.
- Connect Audio (Optional): If using external speakers or headphones, connect them to the audio output jack on the front or rear panel.

Figure 2: Rear view of the HP EliteDesk 800 G4 Mini Desktop, showing DisplayPort, VGA, USB 3.1 ports, Ethernet port, and security lock slot.
3.2 Powering On
- Connect Power: Plug the AC power adapter into the power input port on the rear of the mini desktop, then plug the power cord into a wall outlet.
- Power On: Press the power button located on the front panel of the mini desktop. The power indicator light will illuminate.
- Initial Setup: Follow the on-screen instructions to complete the Windows 11 Pro initial setup, including language selection, network connection, and user account creation.
4. Operating Instructions
4.1 Basic Operation
- Starting Up: Press the power button. The system will boot into Windows 11 Pro.
- Shutting Down: Click the Start button, then Power, and select "Shut down."
- Restarting: Click the Start button, then Power, and select "Restart."
- Sleep Mode: Click the Start button, then Power, and select "Sleep."
4.2 Network Connectivity
- Wired Connection: If an Ethernet cable is connected, the system should automatically detect and connect to the network.
- Wireless Connection:
- Click the Wi-Fi icon in the taskbar.
- Select your desired Wi-Fi network from the list.
- Enter the network security key (password) if prompted.
- Click "Connect."
4.3 Using USB Ports
The HP EliteDesk 800 G4 features multiple USB 3.1 ports (Type-A and Type-C) for connecting various peripherals such as external drives, printers, and other USB devices. Simply plug the device into an available USB port. Windows 11 Pro will typically install the necessary drivers automatically.
5. Maintenance
5.1 Cleaning
- Exterior: Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe the exterior surfaces. Avoid harsh chemicals.
- Vents: Periodically check and gently clean the ventilation grilles to ensure proper airflow and prevent overheating. Use compressed air if necessary, holding the can upright.
5.2 Software Updates
Regularly update your operating system and drivers to ensure security, stability, and optimal performance.
- Windows Updates: Go to Settings > Windows Update and check for updates.
- Driver Updates: Visit the official HP support website for your model to download the latest drivers for components like graphics, audio, and network adapters.
5.3 Data Backup
It is highly recommended to regularly back up your important data to an external drive or cloud storage service to prevent data loss.
6. Troubleshooting
This section addresses common issues you might encounter with your HP EliteDesk 800 G4.
- No Power:
- Ensure the power cord is securely connected to both the mini desktop and the wall outlet.
- Verify the wall outlet is functional by plugging in another device.
- Check the power adapter for any damage.
- No Display:
- Ensure the monitor is powered on and the video cable is securely connected to both the mini desktop and the monitor.
- Try a different video cable or monitor if available.
- Ensure the correct input source is selected on your monitor.
- Network Connectivity Issues:
- For wired connections, check the Ethernet cable and router/modem status.
- For wireless connections, ensure Wi-Fi is enabled in Windows and you are connected to the correct network with the correct password.
- Restart your router/modem and the mini desktop.
- System Slowdown:
- Check for background applications consuming resources using Task Manager (Ctrl+Shift+Esc).
- Ensure Windows and drivers are up to date.
- Run a disk cleanup and defragmentation (for HDD, not necessary for SSD).
- Scan for malware or viruses.
If you continue to experience issues, refer to the HP support website or contact their customer service.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | HP |
| Model | EliteDesk 800 G4 4CB30UT Mini Desktop |
| Operating System | Windows 11 Pro |
| CPU Model | Intel Core i5-8500T |
| CPU Speed | 2.1 GHz |
| Cache Size | 8 MB |
| Graphics Card Description | Integrated Intel Graphics |
| Memory (RAM) | 8 GB DDR4 SDRAM |
| Storage | 256 GB M.2 PCIe Solid State Drive |
| Wireless Connectivity | Intel AC Wireless + Bluetooth |
| Personal Computer Design Type | Mini PC |
| Specific Uses For Product | Entertainment, General Computing |
8. Warranty and Support
For warranty information, please refer to the documentation included with your product or visit the official HP website. Warranty terms may vary depending on your region and the retailer from whom the product was purchased (especially for renewed products).
For technical support, driver downloads, and additional resources, please visit the official HP support website:
When contacting support, have your product model (EliteDesk 800 G4 4CB30UT) and serial number ready.