1. Inleiding
This manual provides detailed instructions for the setup, operation, and maintenance of your MINISFORUM Venus Series UM790 Pro Mini PC. This compact computer is equipped with an AMD Ryzen 9 7940HS processor, offering high performance for various applications. Please read this manual thoroughly before using the device to ensure proper functionality and longevity.

Image 1.1: The MINISFORUM UM790 Pro Mini PC in a typical desktop setup.
2. Pakketinhoud
Verifieer dat al die items wat hieronder gelys word, in u produkverpakking teenwoordig is:
- 1x UM790 Pro Mini PC
- 1x HDMI-kabel
- 1x Mount Support
- 1x Amerikaanse kragadapter
- 1x Gebruikershandleiding (hierdie dokument)
3. Produk verbyview
3.1 Eksterne komponente en poorte
The UM790 Pro Mini PC features a variety of ports for connectivity and expansion. Familiarize yourself with the port layout for proper connection of peripherals.

Image 3.1: Front and Rear Port Layout.
- Voorpoorte: Reset hole, Power button, USB4 (with Alt PD) x2, Audio jack x1
- Agterpoorte: DC 19V power input, HDMI 2.1 x2, 2.5G LAN (RJ45) x1, USB 3.2 Gen2 Type-A x4
3.2 Interne Komponente
The UM790 Pro supports user-upgradable RAM and SSD storage. The internal layout includes slots for DDR5 SO-DIMM memory and M.2 2280 PCIe 4.0 SSDs.

Beeld 3.2: Intern view showing cooling system, RAM, and SSD slots.
4. Opstelling
4.1 Aanvanklike opstelling
- Install RAM and SSD: If your model came without pre-installed RAM or SSD, refer to section 4.2 for installation instructions.
- Verbind skerm: Connect your monitor(s) to the HDMI 2.1 or USB4 ports using appropriate cables. The device supports up to four displays simultaneously.
- Koppel randapparatuur: Connect your keyboard, mouse, and other USB devices to the available USB 3.2 Gen2 Type-A ports.
- Koppel netwerk: For a wired connection, connect an Ethernet cable to the 2.5G LAN port. For wireless, ensure Wi-Fi antennas are properly connected (if external) or that the internal Wi-Fi module is functional.
- Koppel krag: Plug the US Power Adapter into the DC 19V input port on the Mini PC, then plug the adapter into a power outlet.
4.2 RAM and SSD Installation
The UM790 Pro supports DDR5 SO-DIMM RAM and M.2 2280 PCIe 4.0 SSDs. It features two DDR5 SO-DIMM slots (up to 64GB total) and two M.2 2280 PCIe 4.0 SSD slots (up to 2TB each).

Image 4.1: Installing DDR5 RAM.
- Skakel af: Ensure the Mini PC is powered off and disconnected from the power adapter.
- Oop Onderstel: Carefully open the Mini PC chassis. Refer to the quick start guide for specific instructions on opening your model.
- Installeer RAM: Locate the DDR5 SO-DIMM slots. Align the notch on the RAM module with the notch in the slot. Insert the module at a 45-degree angle and push down until the retaining clips snap into place.
- Install SSD: Locate the M.2 2280 PCIe 4.0 SSD slots. Insert the SSD into the slot at an angle, then gently push down and secure it with the provided screw.
- Maak onderstel toe: Reassemble the Mini PC chassis, ensuring all connections are secure.
5. Bedryfsinstruksies
5.1 Krag aan/af
- Krag aan: Druk die aan/af-knoppie aan die voorkant van die Mini-rekenaar. Die aan/af-aanwyserliggie sal aanskakel.
- Skakel af: To shut down the system, use the operating system's shutdown function. Alternatively, press and hold the power button for 5 seconds to force a shutdown (use only when necessary).
5.2 Vertoonkonfigurasie
The UM790 Pro supports up to four displays simultaneously, with two HDMI 2.1 ports (4K@120Hz) and two USB4 ports (8K@60Hz).

Image 5.1: Quadruple Display Support.
- Connect your monitors to the available HDMI and USB4 ports.
- Konfigureer skerminstellings (resolusie, oriëntasie, uitgebreide/gedupliseerde lessenaar) binne jou bedryfstelsel se skerminstellings.
- The USB4 ports also support Power Delivery (PD), allowing a single cable to drive a 15W mobile display.

Image 5.2: USB4 Port with Power Delivery.
5.3 Netwerkkonnektiwiteit
The Mini PC supports both wired and wireless network connections.
- bedraad: Connect an Ethernet cable to the 2.5Gbps LAN port for high-speed internet access.
- Draadloos: The device supports Wi-Fi 6 (802.11ax) for enhanced wireless performance and Bluetooth 5.2 for connecting wireless peripherals. Configure Wi-Fi settings through your operating system.

Image 5.3: Wi-Fi 6 and Network Capabilities.
5.4 BIOS-instellings
Access the BIOS/UEFI settings during startup (typically by pressing Del or F2) to configure advanced features such as:
- Outomatiese aanskakeling: Automatically power on the device when power is restored.
- PXE selflaai: Network boot functionality.
- WOL (Wake On LAN): Wake the device remotely over a network.
- RTC Boot: Schedule the device to power on at a specific time.
6. Onderhoud
6.1 Skoonmaak
Regular cleaning helps maintain optimal performance and extends the lifespan of your Mini PC.
- Buitekant: Use a soft, dry cloth to wipe the exterior of the device. Avoid liquid cleaners.
- Ventilasies: Use compressed air to clear dust from the ventilation grilles to ensure proper airflow.
6.2 Verkoelingstelsel
The UM790 Pro features a 'Cold Wave 2.0' cooling system designed for efficient heat dissipation. Ensure the device is placed in a well-ventilated area and that the vents are not obstructed.
7. Probleemoplossing
| Probleem | Moontlike Oplossing |
|---|---|
| Geen krag nie | Check power adapter connection, ensure outlet is functional. Press the power button firmly. |
| Geen vertoonuitset nie | Verify monitor is powered on and input source is correct. Check HDMI/USB4 cable connections. Ensure RAM and SSD are properly installed. |
| Netwerkverbindingsprobleme | For wired: Check Ethernet cable. For wireless: Verify Wi-Fi is enabled and connected to the correct network. Restart router/modem. |
| Stelsel stadig of reageer nie | Ensure sufficient RAM and SSD space. Check for background processes. Verify cooling system is not obstructed. |
8. Spesifikasies
| Kenmerk | Detail |
|---|---|
| Verwerker | AMD Ryzen 9 7940HS (8 Cores/16 Threads, up to 5.2GHz) |
| Grafika | AMD Radeon™ 780M (Integrated, Graphics Frequency 2800MHz) |
| RAM Support | DDR5 SO-DIMM, up to 64GB (2 slots) |
| Berging Ondersteuning | 2x M.2 2280 PCIe 4.0 SSD slots (up to 2TB each) |
| Video-uitset | 2x HDMI 2.1 (4K@120Hz), 2x USB4 (8K@60Hz) |
| USB-poorte | 2x USB4 (DP|8K, Alt PD), 4x USB 3.2 Gen2 Type-A |
| Netwerk | 2.5Gbps LAN, Wi-Fi 6 (802.11ax), Bluetooth 5.2 |
| Bedryfstelsel | Ondersteun Windows |
| Afmetings | Approximately 1 x 1 x 1 inches (Note: This dimension seems incorrect based on typical mini PC size, please refer to product packaging for accurate dimensions) |
| Gewig | 1 Kilogram |
9. Waarborg en Ondersteuning
The MINISFORUM Venus Series UM790 Pro Mini PC comes with a 2 jaar waarborg vanaf die aankoopdatum.
For technical support, warranty claims, or further assistance, please visit the official MINISFORUM webwebwerf of kontak hul kliëntediensafdeling. Bewaar u bewys van aankoop vir waarborgvalidering.
Aanlyn hulpbronne: MINISFORUM Official Webwebwerf