1. Einleitung
This manual provides detailed instructions for the installation, operation, and maintenance of your WJCOOLMAN Dreamer M-ATX Computer Case. Please read this manual thoroughly before using the product to ensure proper functionality and safety.
2. Warnings & Safety Information
- ⚠ WARNUNG: Nicht in feuchten Umgebungen verwenden.
- ⚠ WARNUNG: Do not disassemble internal components without authorization.
- ⚠ WARNUNG: Sorgen Sie für ausreichende Belüftung, um eine Überhitzung zu vermeiden.
- Avoid high-temperature and high-humidity environments.
- Do not forcibly compress or deform the case.
- Prevent liquids from entering the interior.
3. Feature-Highlights
- Secondary Screen Version: Features an 8.8-inch LCD screen with 480*1920 HD pixels for clear presentation and personalized display.
- Panoramic Sea-View Design: High-transparency tempered glass panels offer an immersive view von internen Komponenten.
- Erweiterte Kühlunterstützung: Supports up to 360mm water cooling radiators and multiple 120mm fans for optimized thermal dissipation.
- Integrierte Struktur: Innovative one-piece molding design simplifies installation and wiring.
- One-Line Fan Connection: Motherboard direct connection technology allows a single cable to synchronize control of multiple fan lights and speeds, reducing cable clutter.
- PWM Intelligent Temperature Control: Fans feature intelligent speed adjustment (600-1800 RPM ±10%) based on internal chassis heat, effectively reducing noise (18.5-30.3 dBA max).
- Hydraulic Bearing Fans: Ensures high-speed operation, reduces wear, minimizes noise, and extends fan service life.
- ARGB Lighting Effects: Features ARGB colorful synchronized integrated fans with 16.5 million color lighting effects, compatible with popular RGB sync technologies (AURA SYNC, MSI MYSTIC LIGHT SYNC, RGB FUSION 2.0, ASRock POLYCHROME SYNC).
- Ample Lagerung: Supports up to 3 SSDs and 2 HDDs.
- Umfangreiche Konnektivität: Top panel includes HD Audio, 1x USB 3.0, and 1x USB 2.0 ports, along with power, restart, and LED strip mode buttons.
- Staubschutz: Equipped with magnetic top and pull-out bottom dust filters for easy cleaning and hardware protection.
- Stoßdämpfendes Design: Both sides feature shock-absorbing pads to reduce resonance and further decrease noise.
- Grafikkartenkompatibilität: Supports graphics cards up to 400mm in length with 4-slot expansion.
- CPU-Kühlerabstand: Geeignet für CPU-Kühler mit einer Höhe von bis zu 157 mm.
- Motherboard-Unterstützung: Compatible with Micro-ATX and ITX form factor motherboards.
Video: Overview of the WJCOOLMAN Dreamer M-ATX Computer Case features and design.

Image: Key features including integrated structure and fan technology.

Image: Hydraulic bearing technology for fan durability and quiet operation.
4. Spezifikationen
| Attribut | Wert |
|---|---|
| Markenname | WJCOOLMAN |
| Modellnummer | Träumer |
| Gehäusetyp | Desktops |
| Anwendung | Desktop |
| Formfaktor | MicroATX, ITX |
| Material | Steel, Tempered glass, others |
| Gehäusegröße (L*B*H) | 418*280*375mm (including foot pads) |
| Gehäusegewicht | 6.5 kg |
| Maximale GPU-Länge | 400 mm |
| Maximale Höhe des CPU-Kühlers | 157 mm |
| Leistungsmodell | ATX |
| Netzteil montiert | Unten |
| RGB-Unterstützung | NO RGB (Case itself, but supports ARGB components) |
| 120-mm-Lüfteroptionen | Bis zu 9 Fans |
| Unterstützte Heizkörpergrößen | Bis zu 360 mm |
| Festplattenunterstützung | SSD*3 and HDD*2 |
| Front I / O Ports | HD Audio, 1x USB 3.0, 1x USB 2.0, Power, Reset, LED Mode |
| Zweiter Bildschirm | 8.8-inch LCD, 480*1920 HD pixels |
Fan Specifications (Typical)
| Attribut | Wert |
|---|---|
| Lüftergröße | 362(L)*120(W)*27mm(H) |
| Kühlmethode | Luftkühlung |
| Geschwindigkeit | 600–1800 U/min ±10 % |
| Geräuschpegel | 18.5-30.3 dB(A) |
| Winddruck | 1.59 mmH2O |
| Nennvolumentage | 12 V Gleichstrom |
| Arbeitsstrom | 0.66 A |
| Lagertyp | Hydraulisch |
| Beleuchtungsschnittstelle | 3-polig |
| Power Interface | 4-polig |
Cooling System Layout
| Standort | Lüfterhalterung (120 mm) | Kühlerhalterung |
|---|---|---|
| Spitze | 3 | 240 mm / 360 mm |
| Unten | 3 | 240 mm / 360 mm |
| Motherboard Side | 2 | 240 mm |
| Rückseite | 1 | 120 mm |

Abbildung: Produktabmessungen (418 mm x 280 mm x 375 mm).

Image: Fan and water cooling installation positions.
5. Einrichtungsanweisungen
- Vorbereitung: Place the computer case on a stable, level surface. Ensure you have all necessary components (motherboard, CPU, GPU, RAM, storage, PSU, fans/radiators) and tools (screwdrivers, cable ties).
- Motherboard installieren: Secure your Micro-ATX or ITX motherboard to the designated standoffs inside the case.
- CPU und Kühler installieren: Install your CPU onto the motherboard, then mount your CPU cooler (air cooler up to 157mm height or water cooling radiator).
- Grafikkarte installieren: Insert your graphics card into the PCIe slot. The case supports GPUs up to 400mm in length.
- Speicherlaufwerke installieren: Install up to three SSDs and two HDDs into their respective slots/brackets.
- Netzteil installieren: Mount your ATX power supply in the bottom-mounted compartment.
- Lüfter/Kühler einbauen: Install additional 120mm fans or water cooling radiators as needed in the supported locations (Top, Bottom, Motherboard side, Rear Panel). Utilize the one-line connection technology for ARGB fans to simplify wiring.
- Kabelmanagement: Route all cables neatly to ensure optimal airflow and aesthetics.
- Peripheriegeräte anschließen: Connect the power cord and any other necessary peripherals (monitor, keyboard, mouse) to your system.

Image: Internal component clearance for CPU cooler and GPU.

Image: Front I/O panel layout and connections.

Image: PWM fan connection for intelligent temperature control.
6. Bedienungsanleitung
- Einschalten: Press the power button located on the top I/O panel to turn on your computer.
- Zweiter Bildschirm: The 8.8-inch LCD secondary screen will display information or custom content. Refer to your motherboard's software or the case's dedicated software (if applicable) for customization options.
- ARGB-Beleuchtung: Use the LED strip mode button on the top I/O panel to cycle through different ARGB lighting effects, or control them via your motherboard's RGB software.
- Lüftersteuerung: Fans with PWM intelligent temperature control will automatically adjust speed based on system temperature. Manual control may be available through motherboard software.
7. Wartung
- Staubreinigung: Regularly clean the magnetic top and pull-out bottom dust filters to maintain optimal airflow and prevent dust buildup inside the case. Simply remove the filters, clean them with water or a soft brush, and reattach.
- Umgebungsbedingungen: Always operate the case in a well-ventilated area, away from direct sunlight, high temperatures, and excessive humidity.
- Flüssigkeitsprävention: Keep liquids away from the computer case to prevent damage to internal components.
- Physische Handhabung: Avoid applying excessive force or deforming the case. Do not place heavy objects on top of the case.

Image: Magnetic top and pull-out bottom dust filters.
8. Fehlerbehebung (FAQs)
- Das Gerät lässt sich nicht einschalten:
- Check all power connections, including the power supply unit (PSU) cables to the motherboard and components, and the main power cord to the wall outlet.
- Stellen Sie sicher, dass sich der Netzschalter am Netzteil in der Position „EIN“ befindet.
- Überprüfen Sie, ob das Kabel des Netzschalters an der Vorderseite korrekt mit dem Motherboard verbunden ist.
- Poor heat dissipation:
- Clean any accumulated dust from the case's dust filters and internal components (fans, radiators, heatsinks).
- Ensure all case fans are spinning correctly and are oriented for optimal airflow (intake/exhaust).
- Consider adding additional fans if all fan slots are not utilized.
- Übermäßiger Lärm:
- Verify that all screws, especially those holding fans, hard drives, and side panels, are securely tightened. Loose components can vibrate and cause noise.
- Prüfen Sie die Lüfterflügel auf Verstopfungen oder Beschädigungen.
- Ensure cables are not interfering with fan rotation.
9. Benutzertipps
- Kabelmanagement: Nutzen Sie den Vorteiltage of the case's design for routing cables behind the motherboard tray to achieve a clean look and improve airflow.
- RGB-Anpassung: Explore your motherboard's RGB software (e.g., ASUS Aura Sync, MSI Mystic Light Sync) to fully customize the ARGB lighting effects of your fans and other components for a personalized aesthetic.
- Secondary Screen Utility: Utilize the secondary screen for monitoring system stats (CPU/GPU temperature, usage), displaying custom images, or even small animated GIFs to enhance your setup.
- Regelmäßige Reinigung: Make a habit of cleaning the dust filters every 1-2 months, or more frequently if your environment is dusty, to maintain peak cooling performance.
10. Garantie und Support
- Garantiezeit: Für dieses Produkt gilt eine zweijährige Garantie ab Kaufdatum. Bitte bewahren Sie Ihren Kaufbeleg für Garantieansprüche auf.
- Weitere Hilfe: For more detailed information or technical support, please refer to the official user manual PDF available at WJCOOLMAN Dreamer User Manual (PDF).





