Introduction
This manual provides essential information for setting up, operating, and maintaining your HP Pavilion 24-Inch All-in-One Computer. Designed for seamless integration into your daily tasks, this PC offers robust performance and a user-friendly experience. Please read this manual thoroughly to ensure proper use and to maximize the lifespan of your device.
What's in the Box
Verify that all items are present in the packaging:
- HP Pavilion 24-Inch All-in-One Desktop PC
- Wired Keyboard
- Wired Mouse
- Power Cord
- Quick Start Guide (if applicable)
Setup Instructions
1. Unpacking and Placement
Carefully remove the computer and accessories from the packaging. Place the All-in-One PC on a stable, flat surface with adequate ventilation around the unit. Ensure the pop-up camera is not obstructed.

Image: HP Pavilion 24-Inch All-in-One Computer. This image shows the computer set up on a desk with its wired keyboard and mouse, highlighting its compact design.
2. Connecting Peripherals
- Power Connection: Connect the power cord to the back of the computer and then to a wall outlet or surge protector.
- Keyboard and Mouse: Connect the wired keyboard and mouse to the available USB ports on the back of the computer.
- Network Connection (Optional): For a wired internet connection, connect an Ethernet cable from your router to the 10/100/1000 Base-T Network port.
- External Devices (Optional): Connect any other external devices such as printers, external hard drives, or USB accessories to the appropriate ports.

Image: Rear view of the HP Pavilion All-in-One PC. This image illustrates the various ports available on the back of the computer, including HDMI In/Out, USB 3.1 Gen 1, USB 3.1 Gen 1 Type-C, HP 3-in-1 Media Card Reader, Headphone/Microphone Combo, and the Ethernet port.
3. Initial Power On
Press the power button, usually located on the side or bottom of the display. Follow the on-screen instructions to complete the Windows 10 setup process, including language selection, network configuration, and user account creation.
Operating Instructions
Using the Touchscreen Display
The 23.8-inch Full HD display features 10-point multi-touch capabilities. Use gestures similar to a tablet or smartphone for navigation, zooming, and interaction with applications.
Pop-up HD Camera
The integrated HD camera is designed to pop up when needed and retract for privacy. To use the camera, gently press the top of the camera module to extend it. Push it back down to retract.

Image: Front view of the HP Pavilion All-in-One PC. This image highlights key features such as the pop-up camera/microphone, Intel processor, Full HD touchscreen, and dual speakers, along with its ultra-slim profile.
Audio Features
The computer is equipped with dual speakers and HP Audio Boost, tuned by B&O Play, for enhanced sound quality. Adjust volume using the system tray icon or dedicated keyboard keys.
Adjusting the Display
The display features an adjustable tilt stand. Gently tilt the screen forward or backward to find your preferred viewing angle for comfort and ergonomics.
Product Features in Action
Overview of the HP Pavilion All-in-One
Video: Need a great value all in one computer with a large screen? This video provides a general overview of the HP Pavilion All-in-One computer, showcasing its design and functionality.
Technical Specifications
| Display Size | 23.8 Inches |
| Screen Resolution | 1920 x 1080 (Full HD) |
| Processor | Intel Core i5-9400T (1.8 GHz, Six-Core) |
| RAM | 12 GB DDR4 |
| Storage | 512 GB SSD (Solid State Drive) |
| Graphics | Intel UHD Graphics 630 (Integrated) |
| Operating System | Windows 10 Home |
| Wireless Connectivity | 802.11ac, 802.11n, Bluetooth 4.2 |
| Ports | HDMI In, HDMI Out, USB 3.1 Gen 1, USB 3.1 Gen 1 Type-C, HP 3-in-1 Media Card Reader, Headphone/Microphone Combo, 10/100/1000 Base-T Network |
| Item Weight | 16.42 pounds |
| Dimensions (W x D x H) | Approximately 21.27 x 6.3 x 17.05 inches |

Image: Detailed specifications of the HP Pavilion All-in-One PC. This graphic provides a visual summary of the computer's core components including processor, RAM, SSD, and connectivity options.
Troubleshooting
No Power
- Ensure the power cord is securely connected to both the computer and a working electrical outlet.
- Verify the power outlet is functional by plugging in another device.
- Check for any tripped circuit breakers.
Display Issues
- If the screen is blank, ensure the computer is powered on and not in sleep mode.
- Adjust the display brightness settings.
- If using an external monitor, ensure the correct input source is selected on the external monitor.
No Sound
- Check the volume level in Windows and ensure speakers are not muted.
- Verify that the correct audio output device is selected in your sound settings.
- Ensure any external headphones or speakers are properly connected.
Keyboard or Mouse Not Responding
- For wired peripherals, ensure they are securely plugged into the USB ports. Try a different USB port.
- Restart the computer.
Maintenance
Cleaning the Display
Use a soft, lint-free cloth lightly dampened with water or a screen-cleaning solution. Avoid harsh chemicals or abrasive materials that can damage the screen.
Keeping Vents Clear
Ensure that the ventilation openings on the computer are not blocked to prevent overheating. Regularly clean dust from the vents using compressed air.
Software Updates
Regularly check for and install Windows updates and HP driver updates to maintain optimal performance and security.
Warranty and Support
For warranty information, please refer to the documentation included with your product or visit the official HP support website. Technical support and additional resources are available online.
HP Support Website: support.hp.com







