Brand: PHILIPS
Category: Electronics
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for 241B4
Uploaded: Nov. 21, 2025, 9:02 p.m.
Warranty Information
Philips guarantees the monitor for defects, with specific acceptable defect levels for repair or replacement.
Monitor Setup:
- Install the base by placing the monitor face down and snapping the base into the VESA mount area, then securing it with a screw.
- Connect the monitor to your PC and power outlet. Turn on both the computer and monitor.
- Adjust monitor settings using the On-Screen Display (OSD) controls for brightness, contrast, color, and other image properties.
- Explore features like SmartImage, SmartContrast, and SmartControl Premium for optimized viewing and enhanced control.
Troubleshooting and error codes
| Problem | Solution |
|---|---|
| No Picture (Power LED not lit) | Ensure power cord is plugged in. Ensure the power button is ON. |
| No Picture (Power LED is White) | Ensure computer is ON. Ensure signal cable is properly connected. Check for bent pins on the cable. Energy Saving feature might be activated. |
| Screen says "Attention" | Check cable connection. Ensure monitor cable is properly connected. Check for bent pins. Ensure computer is ON. |
| AUTO button doesn't function | Applicable only in VGA-Analog mode. Manual adjustments via OSD are possible. |
| Visible signs of smoke or sparks | Disconnect power immediately and contact customer service. |
| Image is not centered | Use "Auto" function in OSD Main Controls or Phase/Clock in Setup (VGA mode only). |
| Image vibrates on the screen | Check signal cable connection to graphics board or PC. |
| Vertical flicker appears | Use "Auto" function in OSD Main Controls or Phase/Clock in Setup (VGA mode only) to eliminate vertical bars. |
| Horizontal flicker appears | Use "Auto" function in OSD Main Controls. |
| Image appears blurred, indistinct or too dark | Adjust contrast and brightness on OSD. Activate screen saver or periodic screen refresh to prevent burn-in. |
| Image appears distorted. Text is fuzzy or blurred. | Set PC's display resolution to the monitor's recommended native resolution. |
| Green, red, blue, dark, and white dots appear on the screen | These are normal characteristics of the liquid crystal. Refer to pixel policy. |
| "Power on" light too strong | Adjust using Power LED Setup in OSD Main Controls. |