A Troubleshooting

Solving Common Problems

The following table lists problems you might encounter, the possible cause of each problem, and the recommended solutions.

Table A-1Common Problems

Problem

Possible Cause

Solution

 

 

 

 

 

Screen is blank.

Power cord is disconnected.

Connect the power cord.

 

 

 

 

 

Master power switch on the

Set the master power switch to the on position (I)

 

monitor's rear panel is turned

and press the front panel power button.

 

off.

 

 

 

 

 

 

Power button on front panel of

Check that the master power switch on the rear of

 

the monitor is turned off.

the monitor is set to the on (I) position. Press the

 

 

front panel power button.

 

 

 

NOTE: If pressing the power button has no effect,

 

 

press and hold the power button for 10 seconds to

 

 

disable the power button lockout feature.

 

 

 

 

Video cable is improperly

Connect the video cable properly. Refer to Chapter

 

connected.

3, Setting Up the Monitor on page 6 for more

 

 

information.

 

 

 

 

 

Wrong video cable is in use.

Ensure that you are using the video cables that

 

 

came with the monitor.

 

 

 

 

 

Screen blanking is active.

Press any key on the keyboard or move the mouse

 

 

to inactivate the screen blanking utility.

 

 

 

Screen is blank and LED is flashing

The input signal requires an

Check the table of preset display modes for your

blue.

unsupported display mode.

model; see Preset Display Resolutions

 

 

on page 46.

 

 

 

 

Screen image appears distorted; text is

The computer's graphics card

Set the computer's display resolution to the same

fuzzy or blurred; image quality is

resolution is set lower or

mode as the monitor's recommended native screen

degraded.

higher than the monitor's

resolution to provide the best picture quality.

 

native resolution.

 

 

 

 

 

 

Screen image appears distorted;

Non-proportional scaling is in

Set the scaling option (

) in the OSD to "Fill to

shapes seem wrong.

effect.

Aspect Ratio."

 

 

 

 

 

 

 

Image appears blurred, indistinct, or

Brightness and contrast are too

Increase the brightness. Increase the contrast or turn

too dark.

low.

on DCR (dynamic contrast ratio).

 

 

 

Image is not centered.

Position may need adjustment.

Press the Menu button to access the OSD menu.

 

 

Select Image Control/Horizontal Position or Vertical

 

 

Position to adjust the horizontal or vertical position

 

 

of the image.

 

 

 

 

 

40 Appendix A Troubleshooting

ENWW

Page 48
Image 48
HP 27 XW476A4#ABA, Performance ZR2440w 24 XW477A8#ABA manual Troubleshooting, Solving Common Problems

27 XW476A4#ABA, Performance ZR2440w 24 XW477A8#ABA specifications

The HP Performance ZR2440w is a high-end 24-inch display designed for professionals in need of precise and vivid visuals. This monitor, identified by the model number XW477A8#ABA, delivers exceptional image quality and color accuracy, making it a perfect choice for graphic designers, photographers, and video editors.

One of the standout features of the ZR2440w is its IPS (In-Plane Switching) panel technology. This provides wide viewing angles of up to 178 degrees both horizontally and vertically, ensuring consistent colors and brightness from virtually any angle. The display offers a resolution of 1920 x 1200 pixels, which enhances clarity and detail, allowing users to work with intricate designs and high-resolution images effortlessly.

Color accuracy is another hallmark of the HP ZR2440w. With a factory-calibrated color gamut that covers 99% of the sRGB spectrum, this monitor ensures that colors are true to life. It also supports 10-bit color processing, further enhancing the depth and richness of the colors displayed. Coupled with a brightness level of 300 nits, the ZR2440w delivers vivid images that bring creative projects to life.

In terms of connectivity, the ZR2440w is equipped with various ports, including DisplayPort and DVI-D, providing flexibility for different setups. An integrated USB hub with multiple USB 2.0 ports is also included, making it easy to connect peripherals and accessories directly to the monitor.

The ergonomic design of the ZR2440w allows for height, tilt, and swivel adjustments, enabling users to customize the viewing position for maximum comfort during extended use. This represents a significant advantage for professionals who spend long hours in front of their monitors, as it helps to minimize strain and fatigue.

Another impressive model in the HP lineup is the ZR2740w (model number XW476A4#ABA), a 27-inch professional display that shares many of the features of the ZR2440w but offers even larger screen real estate. Like its smaller counterpart, the ZR2740w features an IPS panel for wide viewing angles and exceptional color reproduction. With a resolution of 2560 x 1440 pixels, the ZR2740w provides even greater detail and is ideal for tasks requiring high-resolution imagery.

In conclusion, both the HP Performance ZR2440w and ZR2740w monitors stand out in the field of professional displays. They combine advanced technologies, exceptional color accuracy, and ergonomic designs to meet the demanding needs of creative professionals. Investing in either of these monitors ensures an enhanced visual experience, empowering users to deliver outstanding results in their projects.