1. Introducción
The Raspberry Pi 4 Model B is a powerful, credit-card sized computer designed for a wide range of applications, from desktop computing to embedded projects. This 8GB RAM version offers enhanced performance for demanding tasks. It features a quad-core Cortex-A72 (ARM v8) 64-bit SoC, dual display support up to 4K@60Hz, true Gigabit Ethernet, 2.4 GHz and 5.0 GHz wireless LAN, Bluetooth 5.0, and upgraded USB 3.0 ports.
This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Raspberry Pi 4 Model B.

Imagen 1: De arriba hacia abajo view of the Raspberry Pi 4 Model B (8GB) board, showing the main components and ports.
2. Configuración
2.1 Components Required
- Placa Raspberry Pi 4 Modelo B (8 GB)
- Official Raspberry Pi USB-C Power Supply (5.1V, 3A) or equivalent
- MicroSD card (minimum 8GB, Class 10 recommended) with Raspberry Pi OS installed
- Micro HDMI to HDMI cable (x2 for dual display)
- Teclado y ratón USB
- Monitor o TV con entrada HDMI
- (Optional) Ethernet cable for wired network connection
2.2 Preparación de la tarjeta MicroSD
- Descargue el software Raspberry Pi Imager desde el sitio web oficial de Raspberry Pi websitio.
- Insert your MicroSD card into a card reader connected to your computer.
- Open Raspberry Pi Imager, select your desired operating system (e.g., Raspberry Pi OS Full), and choose your MicroSD card.
- Click "Write" to install the operating system onto the MicroSD card. This process will erase all existing data on the card.
- Once the writing process is complete, safely eject the MicroSD card from your computer.
2.3 Conexión de periféricos
Before applying power, connect all necessary peripherals:
- Tarjeta MicroSD: Insert the prepared MicroSD card into the card slot on the underside of the Raspberry Pi.
- Mostrar: Connect one or two Micro HDMI to HDMI cables from the Raspberry Pi's Micro HDMI ports to your monitor(s).
- Teclado y ratón: Conecte su teclado y mouse USB a los puertos USB 2.0 o USB 3.0.
- Red (opcional): For a wired connection, plug an Ethernet cable into the Ethernet port.

Imagen 2: Lateral view of the Raspberry Pi 4 Model B, highlighting the USB 2.0, USB 3.0, and Ethernet ports.
2.4 Encendido
Once all peripherals are connected, plug the USB-C power supply into the Raspberry Pi's USB-C power port. The Raspberry Pi will automatically power on and begin the boot process. The red power LED will illuminate, and the green activity LED will flash during boot.
3. Instrucciones de funcionamiento
3.1 Primer arranque y configuración inicial
On the first boot, Raspberry Pi OS will guide you through an initial setup wizard. This includes setting your country, language, timezone, creating a new password, connecting to Wi-Fi, and updating software. Follow the on-screen prompts to complete the setup.
3.2 Desktop Environment
After initial setup, you will be presented with the Raspberry Pi OS desktop environment. This functions similarly to other desktop operating systems, allowing you to browse the web, edit documents, program, and more.
3.3 Conectividad
- Wifi: Connect to a wireless network using the network icon in the top-right corner of the desktop.
- Bluetooth: Pair Bluetooth devices via the Bluetooth icon in the top-right corner.
- Ethernet: If an Ethernet cable is connected, the Raspberry Pi will automatically establish a wired network connection.
3.4 Encabezado GPIO
The 40-pin GPIO (General Purpose Input/Output) header allows you to connect and control various electronic components and sensors. Refer to the official Raspberry Pi documentation for detailed information on GPIO programming and usage.

Imagen 3: Arriba view of the Raspberry Pi 4 Model B, showing the 40-pin GPIO header on the left side.
4. Mantenimiento
4.1 Actualizaciones de software
Regularly update your Raspberry Pi OS to ensure optimal performance, security, and access to the latest features. Open a terminal and run the following commands:
sudo apt update
sudo apt full-upgrade -y
sudo reboot4.2 Enfriamiento
The Raspberry Pi 4 can generate significant heat under heavy load. For sustained performance, especially in enclosed spaces or demanding applications, consider using a heatsink or an active cooling solution (e.g., a fan) to prevent thermal throttling.

Imagen 4: Primer plano view of the main processor chip on the Raspberry Pi 4 Model B, which can benefit from cooling solutions.
4.3 Safe Shutdown
Always shut down your Raspberry Pi properly to prevent data corruption on the MicroSD card. You can do this via the desktop menu (Menu > Shutdown > Shutdown) or by opening a terminal and typing:
sudo shutdown -h nowWait for the green activity LED to stop flashing before disconnecting power.
5. Solución de problemas
- Sin salida de pantalla:
- Ensure Micro HDMI cables are securely connected to both the Raspberry Pi and the monitor.
- Verifique que el monitor esté configurado en la fuente de entrada correcta.
- Try a different Micro HDMI cable or monitor.
- Ensure the MicroSD card has a valid operating system installed.
- Power Issues (No LEDs, No Boot):
- Confirm you are using a compatible 5.1V 3A USB-C power supply.
- Check the power cable and connection.
- Try a different power supply if available.
- Problemas de conectividad Wi-Fi/Bluetooth:
- Ensure the Wi-Fi/Bluetooth module is enabled in the Raspberry Pi OS settings.
- Check for correct network credentials.
- Move the Raspberry Pi closer to the wireless access point.
- Asegúrese de que no haya obstrucciones físicas que bloqueen la señal.
- Rendimiento lento:
- Check for excessive heat and consider adding a cooling solution.
- Ensure your MicroSD card is a high-speed (Class 10 or higher) card.
- Cierre las aplicaciones innecesarias.
- Realice una actualización de software.
For more detailed troubleshooting, visit the official Raspberry Pi documentation and community forums.
6. Especificaciones
| Característica | Detalle |
|---|---|
| Procesador | SoC Broadcom BCM2711, Cortex-A72 de cuatro núcleos (ARM v8) de 64 bits a 1.5 GHz |
| RAM | Memoria SDRAM LPDDR8-4 de 2400 GB |
| Conectividad | 2.4 GHz and 5.0 GHz IEEE 802.11b/g/n/ac wireless LAN, Bluetooth 5.0, BLE, Gigabit Ethernet |
| Puertos USB | 2 puertos USB 3.0, 2 puertos USB 2.0 |
| Video & Sound | 2 puertos micro-HDMI (compatibles con hasta 4Kp60), puerto de pantalla MIPI DSI de 2 carriles, puerto de cámara MIPI CSI de 2 carriles, puerto de audio estéreo de 4 polos y puerto de vídeo compuesto |
| Entrada y salida de GP | Cabecera GPIO estándar de 40 pines (totalmente compatible con las placas anteriores) |
| Fuerza | 5V DC via USB-C connector (minimum 3A), 5V DC via GPIO header, Power over Ethernet (PoE) enabled (requires separate PoE HAT) |
| Dimensiones | 2.76 x 1.97 x 0.39 pulgadas (70 x 50 x 10 mm) |
| Sistema operativo | Raspberry Pi OS (formerly Raspbian) |

Imagen 5: Primer plano view of the dual Micro HDMI ports and the MIPI CSI camera port on the Raspberry Pi 4 Model B.
7. Garantía y soporte
Para obtener información sobre la garantía y soporte técnico, consulte el sitio web oficial de Raspberry Pi. webSitio web o contacte con su punto de compra. Conserve su comprobante de compra para reclamaciones de garantía.
Frambuesa Pi oficial Websitio: www.raspberrypi.org





