1. Introduction
This manual provides essential information for the safe and efficient use of your HP 140W USB-C AC Adapter (Model TPN-LA29). Please read this manual thoroughly before using the product and retain it for future reference.
The HP 140W USB-C AC Adapter is designed to provide reliable power to compatible HP laptops, including the HP Spectre 2-in-1 Laptop 16-aa0023dx, HP OMEN Transcend Laptop 14-fb0000 RTX 4050 4060, and HP Spectre x360 16-aa0000 Ultra 7 RTX 4050 models. It features a USB-C connector for versatile compatibility and fast charging capabilities.
2. Safety Information
Observe the following safety precautions to prevent injury or damage to your device:
- Use only with compatible devices as specified in this manual.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to severe impact.
- Do not attempt to disassemble or modify the adapter. This will void the warranty and may cause electric shock or fire.
- Ensure the power outlet is easily accessible and properly grounded.
- Disconnect the adapter from the power outlet during lightning storms or when unused for extended periods.
- Keep the adapter away from children.
- If the adapter or cable is damaged, discontinue use immediately and seek professional assistance.
3. Package Contents
Verify that all items are present in your package:
- HP 140W USB-C AC Adapter (Model TPN-LA29)
- Power Cord

Image: The HP 140W USB-C AC Adapter and its accompanying power cord, as typically found in the product packaging.
4. Setup Instructions
Follow these steps to set up your HP 140W USB-C AC Adapter:
- Connect the Power Cord: Insert the power cord into the AC input port on the HP 140W USB-C AC Adapter. Ensure a firm connection.
- Connect to Power Outlet: Plug the other end of the power cord into a standard AC wall outlet.
- Connect to Laptop: Insert the USB-C connector of the adapter into the USB-C charging port on your compatible HP laptop.
- Verify Connection: Confirm that your laptop indicates it is receiving power or charging.

Image: The USB-C end of the adapter cable, ready to be connected to a compatible laptop's charging port.
5. Operating Instructions
The HP 140W USB-C AC Adapter is designed for automatic operation. Once connected, it will provide power to your laptop and charge its battery.
- Charging Indicator: Your laptop's operating system or physical indicator light will show the charging status.
- Optimal Performance: For best performance, ensure the adapter is placed in a well-ventilated area to prevent overheating.
- Disconnection: To disconnect, first unplug the USB-C connector from your laptop, then unplug the power cord from the wall outlet.
6. Maintenance and Care
Proper care ensures the longevity and optimal performance of your adapter:
- Cleaning: Use a soft, dry cloth to clean the adapter. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the adapter in a cool, dry place. Avoid tightly wrapping the cables to prevent damage.
- Inspection: Periodically inspect the adapter and cables for any signs of wear, cuts, or damage. If damage is found, replace the adapter.
7. Troubleshooting
If you encounter issues with your HP 140W USB-C AC Adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Laptop not charging. | Loose connection, faulty outlet, incompatible device. |
|
| Adapter is hot to the touch. | Normal operation, poor ventilation, excessive load. |
|
| Sparking at outlet when plugging in. | Normal inrush current, faulty outlet. |
|
8. Specifications
Detailed technical specifications for the HP 140W USB-C AC Adapter:
- Model Number: TPN-LA29
- Input: AC 100V - 240V, 2.5A, 50-60Hz (Worldwide Use)
- Output:
- 5.0V / 3.0A (15.0W)
- 9.0V / 3.0A
- 12.0V / 5.0A
- 15.0V / 5.0A
- 20.0V / 5.0A
- 28.0V / 5.0A
- Total Power Output: 140W
- Connector Type: USB-C (Type-C)
- Color: Black
- Item Weight: Approximately 1 pound (0.45 kg)
- Package Dimensions: 7.83 x 6.93 x 1.26 inches (19.89 x 17.60 x 3.20 cm)
- Compatible P/N: TPN-LA29, N22270-001, N22282-001, PA-1141-08HT
- Manufacturer: Lite-On Technology Corp.
- Special Feature: Fast Charging

Image: A close-up view of the adapter's label, displaying detailed electrical specifications and model information.
9. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your original HP laptop or visit the official HP support website. The manufacturer, Lite-On Technology Corp., provides the adapter under HP's quality standards.
Online Support: For the latest drivers, troubleshooting guides, and product information, visit www.hp.com/support.
Contact Support: Refer to your region-specific HP support contact details for phone or chat assistance.