Introduction
The HP 235 Slim Wireless Mouse is designed for comfort, durability, and reliable wireless connectivity. This optical mouse operates on a 2.4 GHz radio frequency, offering a lag-free experience and up to 1600 DPI for precise cursor control. Its symmetrical design ensures comfortable use for both right-handed and left-handed users. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your HP 235 Slim Wireless Mouse.

Figure 1: HP 235 Slim Wireless Mouse (top view)
Setup
Follow these steps to set up your HP 235 Slim Wireless Mouse:
- Unpack the Mouse: Carefully remove the mouse and the USB Type-A receiver from its packaging. Ensure all components are present.
- Install Batteries: The mouse requires two AA batteries (included). Locate the battery compartment on the underside of the mouse, open it, insert the batteries according to the polarity indicators, and close the compartment.
- Connect the USB Receiver: Plug the small USB Type-A receiver into an available USB port on your computer (PC, Notebook, or Desktop PC).
- Power On the Mouse: Locate the power switch on the underside of the mouse and slide it to the 'ON' position.
- Initial Connection: Your computer should automatically detect and install the necessary drivers for the mouse. This may take a few moments. Once installed, the mouse will be ready for use.

Figure 2: HP 235 Slim Wireless Mouse (angled view)
Operating the Mouse
The HP 235 Slim Wireless Mouse offers intuitive control for various tasks:
- Basic Functions: The mouse features three buttons: left-click, right-click, and a scroll ball for navigation.
- DPI Adjustment: The optical sensor provides a movement resolution of up to 1600 DPI, ensuring precise and responsive cursor movement. This setting is fixed for optimal performance.
- Wireless Range: The 2.4 GHz wireless technology provides a reliable connection within a range of up to 10 meters (approximately 33 feet).
- Ergonomic Design: The symmetrical design allows for comfortable use with either hand, reducing strain during extended periods of use.
- Compatibility: The mouse is compatible with Windows 7, Windows 8, Windows 10, and Windows 11 operating systems, and supports PC, Notebook, and Desktop PC platforms.
Maintenance
To ensure the longevity and optimal performance of your HP 235 Slim Wireless Mouse, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the exterior of the mouse. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive cleaners.
- Battery Replacement: When the mouse performance degrades or stops responding, it's time to replace the batteries. Open the battery compartment on the underside, remove the old AA batteries, and insert new ones, ensuring correct polarity. The typical battery life is approximately 18 months.
- Storage: When not in use for extended periods, turn off the mouse using the power switch to conserve battery life. Store the mouse and USB receiver in a clean, dry place.
Troubleshooting
If you encounter issues with your HP 235 Slim Wireless Mouse, try the following solutions:
- Mouse Not Responding:
- Ensure the mouse is powered on.
- Check if the batteries are correctly installed and have sufficient charge. Replace them if necessary.
- Verify that the USB receiver is securely plugged into a working USB port on your computer. Try a different USB port.
- Move the mouse closer to the USB receiver to rule out range issues.
- Erratic Cursor Movement:
- Clean the optical sensor on the underside of the mouse with a soft, dry cloth.
- Ensure you are using the mouse on a suitable surface. Highly reflective or transparent surfaces may affect tracking.
- Connectivity Issues:
- If other wireless devices are causing interference, try moving them further away.
- Restart your computer.
Specifications
| Feature | Detail |
|---|---|
| Brand | HP |
| Model Name | 235 |
| Model Number | 4E407AA#ABL |
| Connectivity Technology | Wireless (Radio Frequency) |
| Wireless Operating Frequency | 2.40 GHz |
| Movement Detection | Optical |
| Movement Resolution (DPI) | 1600 |
| Number of Buttons | 3 |
| Scroller Type | Scroll Ball |
| Ergonomic Fit | Symmetrical (Ambidextrous) |
| Host Interface | USB Type A |
| Power Source | Batteries (2 AA included) |
| Battery Average Life | 18 months |
| Wireless Range | 10 meters |
| Color | Jack Black |
| Dimensions (H x W x D) | 1.4" x 4.5" x 2.5" |
| Weight (Approximate) | 2.12 oz (0.13 Kilograms) |
| Operating System Compatibility | Windows 11, Windows 10, Windows 8, Windows 7 |
| Platform Supported | PC, Notebook, Desktop PC |
Warranty and Support
HP products are designed for reliability and performance. For detailed warranty information, please refer to the warranty card included with your product or visit the official HP support website. For technical assistance, driver downloads, or further inquiries, please visit www.hp.com/support.