Manual for LA1905wg, LA2205wg, LA2405wg

Manual for LA1905wg, LA2205wg, LA2405wg

Brand: HP

Category: Computer

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 6:30 p.m.

Manual Publish Date: 2009-10-01

Warranty Information

No explicit warranty period is mentioned in the provided pages.

  • Setting Up the Monitor: Includes unfolding the base, connecting cables (VGA, DVI-D, DisplayPort, USB, power), adjusting tilt, swivel, height, and pivoting for landscape/portrait orientation.
  • Turning on the Monitor: Power on the computer, then the monitor. A status message will display input, auto-switch status, default source, resolution, and recommended resolution.
  • Connecting USB Devices: Connect USB devices to the two USB 2.0 connectors on the side panel after connecting the monitor's USB hub cable to the computer.
  • Removing the Monitor Pedestal Base: Disconnect all cables, lay the monitor face down, remove screws, and unhinge the base.
  • Mounting the Monitor: The monitor panel can be attached to a wall or swing arm using VESA standard mounting holes (100mm). Ensure screws are 4mm, 0.7 pitch, and 10mm long.
  • Installing a Cable Lock: Secure the monitor with an optional cable lock.
  • Troubleshooting: Appendix A provides common problems and solutions, online technical support information, and preparation for calling technical support.
  • Technical Specifications: Appendix B details specifications for LA1905wg, LA2205wg, and LA2405wg models, including display size, resolution, input terminals, environmental requirements, and power consumption.
  • Preset Display Resolutions: Lists common resolutions and their corresponding horizontal and vertical frequencies for each model.
  • Entering User Modes: Explains how to adjust and save custom display settings for non-preset modes.
  • Energy Saver Feature: Describes the reduced power state and how it is activated by user inactivity or programmed through the Energy Saver utility.
  • Product Environmental Notices: Includes ENERGY STAR qualification, materials disposal information, chemical substance information, RoHS compliance, and EEE regulation compliance.
  • LCD Monitor Quality and Pixel Policy: Details cosmetic imperfections related to pixels and sub-pixels and how to locate defective pixels.

Troubleshooting and error codes

Common Problems Solutions
Screen is blank.

Power

  • Check that the monitor is plugged into an electrical outlet and that the power cord is securely connected to the monitor.
  • Press the power button on the monitor.
  • Check that the computer is turned on and is not in a power-saving mode.
  • Check that the monitor is set to the correct input source.

Video Cable

  • Check that the video cable is securely connected to both the monitor and the computer.
  • Try a different video cable.
Screen image is too small, or off-center.

Resolution

  • For best results, set the display resolution of the computer to the monitor's recommended (preset) resolution. See "Recognizing Preset Display Resolutions" on page 36.

Synchronization

  • Press the AUTO button on the monitor.
  • Adjust the H. SIZE and V. SIZE settings in the OSD menu.
Screen image is flickering or has a ghost image.

Synchronization

  • Press the AUTO button on the monitor.
  • Adjust the H. SIZE and V. SIZE settings in the OSD menu.

Video Cable

  • Check that the video cable is securely connected to both the monitor and the computer.
  • Try a different video cable.

Refresh Rate

  • Set the display refresh rate to 60 Hz.
Screen has a defect.

Pixel defects

  • A few defective pixels (bright or dark spots) may appear on the screen. This is common to all LCD technology. For more information, see "LCD Monitor Quality and Pixel Policy" on page 44.
The monitor does not work.
  • Ensure that the monitor is receiving power.
  • Ensure that the monitor's power button is turned on.
  • If the monitor still does not work, contact HP.
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