1. Introduction
This manual provides essential information for the safe and effective use of your EPtech AC Adapter, model 160504542. This power supply is designed to provide reliable power to compatible HP Pavilion p2-1110 and p2-1120 Desktop PCs.
Please read this manual thoroughly before using the product and retain it for future reference.

Image 1.1: Overview of the EPtech AC Adapter, including the main unit, AC input cable, and DC output cable.
2. Setup Instructions
Follow these steps to properly set up your AC adapter:
- Unpack the Adapter: Carefully remove the AC adapter and all cables from its packaging.
- Connect the AC Input Cable: Insert the 2-pin connector of the AC input cable into the corresponding port on the AC adapter unit. Ensure it is firmly seated.
- Connect to Power Outlet: Plug the other end of the AC input cable into a standard wall power outlet (100-240VAC, 50/60Hz).
- Connect to Desktop PC: Insert the DC output connector (the round barrel connector) into the power input port of your HP Pavilion p2-1110 or p2-1120 Desktop PC.

Image 2.1: The AC adapter features a 10-foot total cable length for flexible placement and includes an anti-interference ring for stable operation.
3. Operating the AC Adapter
Once connected, the AC adapter will automatically begin supplying power to your desktop PC. The adapter is designed for continuous operation.
- Power Indicator: A blue LED light on the adapter unit indicates that it is receiving power and operating correctly.
- Compatibility: This adapter is 100% compatible with the specified HP Pavilion desktop models.

Image 3.1: The blue LED on the adapter illuminates when the unit is powered on and functioning.
4. Care and Maintenance
To ensure the longevity and optimal performance of your EPtech AC Adapter, observe the following guidelines:
- Keep Clean: Regularly wipe the adapter and cables with a dry, soft cloth. Avoid using liquid cleaners.
- Avoid Physical Damage: Do not bend, twist, or pull the cables excessively. Avoid placing heavy objects on the adapter or cables.
- Environmental Conditions: Use the adapter in a well-ventilated area. Avoid extreme temperatures, humidity, and direct sunlight. This product is for indoor use only.
- Safety Features: The adapter is equipped with multiple safety protections, including over-current, total power, over-voltage, and short circuit protection. These features help prevent damage to the adapter and your connected device.

Image 4.1: The adapter incorporates multiple safety protections to ensure reliable and secure operation.

Image 4.2: The power cable is constructed with high-quality copper wire and a durable PVC insulation jacket for enhanced safety and durability.
5. Troubleshooting
If you encounter issues with your AC adapter, refer to the following common problems and solutions:
- No Power Indicator Light:
- Ensure the AC input cable is securely connected to both the adapter and the wall outlet.
- Verify that the wall outlet is functional by testing it with another device.
- Check for any visible damage to the cables or adapter unit.
- PC Not Receiving Power:
- Confirm that the DC output connector is fully inserted into your desktop PC's power port.
- Ensure the adapter's power indicator light is on.
- Verify that your PC's power button is functioning correctly.
- Adapter Overheating:
- Ensure the adapter is in a well-ventilated area and not covered by objects.
- If overheating persists, discontinue use and contact support.
If these steps do not resolve the issue, please contact customer support.
6. Product Specifications
| Feature | Detail |
|---|---|
| Brand | EPtech |
| Model Number | 160504542 |
| Input Voltage | 100-240VAC |
| Frequency Range | 50/60Hz |
| Output Voltage | 240 Volts (Specific output current not provided, typically auto-negotiated or fixed for device) |
| Compatible Devices | HP Pavilion p2-1110, p2-1120 Desktop PCs |
| Cable Length | 10 Feet (Total) |
| Safety Features | Over current protection, Total power protection, Over voltage protection, Short Circuit Protection |
| Certifications | FCC, CE, RoHS |
| Power Source | Corded Electric |
| Main Power Connector Type | 2 Pin |

Image 6.1: The adapter features a durable construction and a compact design, suitable for various environments.
7. Warranty and Support
For any questions, concerns, or technical support regarding your EPtech AC Adapter, please contact our customer service team.
Email: epcustomerservice@yahoo.com
Please provide your product model number (160504542) and a detailed description of your issue when contacting support to facilitate a quicker resolution.