Dell E248WFP - 24" LCD Monitor Gebruikershandleiding - Pagina 29
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Common Symptoms
What You
Experience
No Video/ Power LED off No picture
No Video/ Power LED on No picture or no
brightness
Poor Focus
Picture is fuzzy,
blurry, or ghosting
Shaky/Jittery Video
Wavy picture or
fine movement
Missing Pixels
LCD screen has
spots
Stuck-on Pixels
LCD screen has
bright spots
Brightness Problems
Picture too dim or
too bright
Geometric Distortion
Screen not
centered correctly
Horizontal/Vertical Lines Screen has one or
more lines
Synchronization Problems Screen is
scrambled or
appears torn
Safety Related Issues
Visible signs of
smoke or sparks
Intermittent Problems
Monitor
malfunctions on &
off
Missing Color
Picture missing
color
Wrong Color
Picture color not
good
Image retention from a
Faint shadow from
static image left on the
the static image
monitor for a long period
displayed appears
of time
on the screen
Input auto switching to
Can't select input
another source
source
Product Specific Problems
SPECIFIC SYMPTOMS
Screen image is too small
Ensure that the video cable connecting the monitor and the computer is properly connected and secure.
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Verify that the power outlet is functioning properly using any other electrical equipment.
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Ensure that the power button depressed fully.
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Increase brightness & contrast controls via OSD.
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Perform monitor self-test feature check.
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Check for bent or broken pins in the video cable connector.
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Perform Auto Adjust via OSD.
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Adjust the Phase and Pixel Clock controls via OSD.
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Eliminate video extension cables.
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Reset the monitor to Factory Settings.
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Change the video resolution to the correct aspect ration (16:10).
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Perform Auto Adjust via OSD.
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Adjust the Phase and Pixel Clock controls via OSD.
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Reset the monitor to Factory Settings.
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Check environmental factors.
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Relocate the monitor and test in another room.
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Cycle power on-off.
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Pixel that is permanently off is a natural defect that can occur in LCD technology.
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Cycle power on-off.
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Pixel that is permanently off is a natural defect that can occur in LCD technology.
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Reset the monitor to Factory Settings.
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Auto Adjust via OSD.
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Adjust brightness & contrast controls via OSD.
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Reset the monitor to Factory Settings.
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Auto Adjust via OSD.
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Adjust brightness & contrast controls via OSD.
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NOTE:
When using 'DVI-D', the positioning adjustments are not available.
Reset the monitor to Factory Settings.
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Perform Auto Adjust via OSD.
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Adjust Phase and Pixel Clock controls via OSD.
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Perform monitor self-test feature check and determine if these lines are also in self-test mode.
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Check for bent or broken pins in the video cable connector.
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NOTE:
When using 'DVI-D', the Pixel Clock and Phase adjustments are not available.
Reset the monitor to Factory Settings.
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Perform Auto Adjust via OSD.
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Adjust Phase and Pixel Clock controls via OSD.
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Perform monitor self-test feature check to determine if scrambled screen appears in self-test mode.
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Check for bent or broken pins in the video cable connector.
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Restart the computer in the safe mode.
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Do not perform any troubleshooting steps.
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Contact Dell immediately.
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Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.
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Reset the monitor to Factory Settings.
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Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode.
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Perform monitor self-test feature check.
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Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.
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Check for bent or broken pins in the video cable connector..
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Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending to the
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application.
Try different Color Preset Settings in Color Settings OSD. Adjust R/G/B value in Color Settings OSD if the
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Color Management is turned off.
Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD.
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Use the Power Management feature to turn off the monitor at all times when not in use (for more
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information, see
Power Management
Alternatively, use a dynamically changing screensaver.
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Under "Auto Detect" mode if one of the DVI or VGA signal is lost(or cable disconnected) the display will
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automatically switch to the other input source where a signal exist.
WHAT YOU EXPERIENCE
Image is centered on screen, but does not fill entire
Possible Solutions
Modes).
POSSIBLE SOLUTIONS
Reset the monitor to factory settings using
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