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Philips DELLP1230 - Troubleshooting Guide; Common Problems and Solutions

Philips DELLP1230
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7
DELL P1230 M25P
C
ommon Problems
The following table contains general information about common monitor problems you might encounter.
COMMON SYMPTOMS WHAT YOU SEE POSSIBLE SOLUTIONS
No Video/LED off No picture, monitor’s dead. · Check connection integrity
· Verify the AC outlet
·
Ensure power button depressed fully
No Video/LED on No picture or no brightness, power LED has green color · Increase brightness & contrast controls
· Perform monitor Self test feature check
· Check signal cable for bent or broken pins
No Video / LED amber No picture, power LED has amber color. · Check that the PC power is plugged in and turned on.
· Check that signal cable is firmly attached to the video port of the PC (blue coded video port).
· Make sure the correct input port (1or 2) is selected.
· Press a key on the PC keyboard or move the mouse to wake up the PC.
"No signal input from input 1 or 2"
appears
A RGB box with the message "No signal input from input 1 or 2 "
shows on screen.
· Check the signal cable connection between computer and monitor.
· Use the monitor Self test feature described under trouble shooting.
"Frequency out of range" appears A red and cyan colored box with the message "Frequency out of
range" appears on screen.
· Wait 15 seconds for Windows to reset video mode.
· Manually reset video mode by following procedure:
o Reboot PC.
o Press F8 while reboot is processing.
o Select safe mode.
o Select Control Panel to decrease resolution.
Poor Focus Picture is fuzzy, blurry or ghosting · Eliminate video extension cables.
· Perform monitor reset (Select "Reset" in main menu).
· Select "Moiré" from advanced controls and set H & V Moiré at 0%.
· Decrease brightness & contrast controls
· Lower video resolution or increase font size.
Shaky/Jittery Video Wavy picture or fine movement · Perform monitor "Reset"
· Check environmental factors
· Relocate and test in other room
Color Purity Problems Color is not uniform
Picture has color blotches or shades
· Activate the Degauss featureusingtheOSD degauss menu.
· Reposition the monitor.
· Check environmental factors (Speakers too close to monitor).
· AdjustthepuritybyusingtheOSD "ADJUST PURITY" in "EXTRA CONTROLS" menu.
Color Convergence Problems Characters show red or blue at edges · Perform monitor reset (Select "Reset" in main menu).
· Perform monitor Degauss.
· Adjust the convergence by using the OSD "ADJUST CONVERGENCE" in EXTRA CONTROLS.
Missing Color
or Color Flood
Entire screen is purple or yellow
Entire screen is red, green or blue
· Check that signal cable is firmly attached to the video port of the PC (blue coded video port).
· Perform monitor reset (Select "Reset" in main menu)
· Perform monitor Self test feature.
· Check signal cable for bent or broken pins.
· Reset the video card
Missing Pixels CRT screen has spots, specs or blemishes on the glass · If the blemish is on the outside of the glass, try cleaning the CRT screen

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