Philips 558M1RY User manual - Page 36

9. Troubleshooting & FAQs Horizontal flicker appears • Adjust the image using the "Auto" function in OSD Main Controls. • Eliminate the vertical bars using the Phase/Clock of Setup in OSD Main Controls. It is valid only in VGA mode. Image appears blurred, indistinct or too dark • Adjust the contrast and brightness on On-Screen Display. An "after-image", "burn-in" or "ghost image" remains after the power has been turned off. • Uninterrupted display of still or static images over an extended period may cause "burn-in", also known as "after-imaging " or "ghost imaging", on your screen. "Burn-in", "after-imaging", or "ghost imaging" is a well-known phenomenon in LCD panel technology. In most cases, the "burn-in" or "afterimaging" or "ghost imaging" will disappear gradually over a period of time after the power has been switched off. • Always activate a moving screen saver program when you leave your display unattended. • Always activate a periodic screen refresh application if your LCD display will display unchanging static content. • Failure to activate a screen saver, or a periodic screen refresh application may result in severe "burn-in" or "after-imaging" or "ghost image" symptoms that will not disappear and cannot be repaired. The damage mentioned above is not covered under your warranty. Image appears distorted. Text is fuzzy or blurred. • Set the PC's display resolution to the same mode as display's recommended screen native resolution. Green, red, blue, dark, and white dots appears on the screen • The remaining dots are normal characteristic of the liquid crystal used in today's technology, Please refer the pixel policy for more detail. 34