appendices

Troubleshooting

Consult this section if you are experiencing trouble with your projector. If the

problem persists, please contact hp. Refer to Warranty and Support Information xb31 sb21 on page 39.

Problem: No image is projected on screen.

•Verify that the projector’s power cord is plugged in and properly connected.

•Verify that all cables are properly installed and securely connected.

•Make sure you have removed the lens cap and that the blue Power Indicator Light is ON.

•Verify that the Lamp Indicator Light is OFF. If the Lamp Indicator Light is ON, the lamp module must be replaced. Refer to page 32 for the lamp module replacement procedure.

•Verify that the Temp Indicator Light is OFF. If it is ON, refer to page 14.

•If you are using a notebook computer, you may need to activate the external monitor port. Please consult the computer’s manual for instructions. Key sequences for many computers are printed in your quick start guide.

•Check for damaged connector pins.

•Check that the projector’s lamp hasn’t burned out or been installed incorrectly. Problem: Partial, scrolling or incorrectly displayed image.

•Press the “Auto Image” button on the projector or use the “Auto Image” function in the “Computer Image” menu of the On Screen Display (OSD).

•If you are using a computer:

If the resolution of your computer is higher than 1024×768 for the hp xb31 or 800×600 for the hp sb21, the projector will re-size the image to match the output of the computer. If desired, you may reset your computer’s display resolution to match these by following the steps provided in your computer’s owner’s manual. You may have to disable the computer’s monitor to correctly display the new resolution.

•Switch the notebook’s display to the “external display only” or “CRT only” mode following the instructions provided in your computer’s owner’s manual.

•If you experience difficulty in changing the resolution settings, or your monitor freezes, restart the computer and the projector.

Problem: The notebook’s screen is not displaying your presentation.

•Some notebook PCs may deactivate their own screen when a second display device is in use. Refer to your computer’s documentation for information. If you are using a notebook computer, you may need to activate the external monitor port. Please consult the computer’s manual for instructions. Key sequences for many computers are printed in your quick start guide.

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HP xb31, sb21 manual Appendices, Troubleshooting
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sb21, xb31 specifications

The HP xb31 is a versatile and high-performance gaming monitor designed to cater to the needs of gamers, content creators, and professionals alike. Offering an array of impressive features, this display stands out in a crowded market.

At the core of the HP xb31 is its stunning visual performance. The monitor boasts a 31.5-inch diagonal screen size with a 4K resolution of 3840 x 2160 pixels, ensuring that every detail is rendered with remarkable clarity and accuracy. With HDR technology support, it delivers vibrant colors and deep contrasts, enhancing the overall viewing experience. The display covers a broad color gamut, allowing for exceptional color accuracy, which is particularly beneficial for graphic design and visual content creation.

One of the standout features of the HP xb31 is its fast refresh rate and response time. With a refresh rate of up to 144Hz and a response time of 1ms, this monitor minimizes motion blur and ghosting effects, providing a smoother gaming experience. This makes it an ideal choice for fast-paced, competitive gaming where every millisecond counts.

In terms of connectivity, the HP xb31 offers a wide range of options. It includes multiple HDMI ports, DisplayPort, and USB-C connections, allowing for seamless integration with a variety of gaming consoles, PCs, and peripherals. This versatility ensures that users can connect their devices effortlessly, enhancing the overall gaming setup.

The ergonomic design of the HP xb31 further enhances its appeal. The monitor features height, tilt, and pivot adjustments, enabling users to find the perfect viewing angle for extended gaming or work sessions. Additionally, the ultra-thin bezel design maximizes screen real estate, making it an excellent choice for multi-monitor setups.

Moreover, the HP xb31 is equipped with built-in speakers and advanced audio technologies, ensuring a comprehensive multimedia experience. The monitor's eye-care technology, including flicker-free and low blue light modes, reduces eye strain during long viewing sessions, prioritizing user comfort.

With its superior display quality, responsive performance, and thoughtful design elements, the HP xb31 stands as a formidable contender in the gaming monitor arena, appealing to a wide range of users seeking both performance and functionality. Whether for gaming or professional use, it effectively combines advanced technologies to deliver an exceptional visual experience.
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