Dell UZ2215H Dell Users Guide - Page 62

For more information on Dell Monitor Quality and Pixel, Auto Adjust, Phase, Pixel Clock

Page 62 highlights

Shaky/Jittery Video Wavy picture or fine movement • Perform Auto Adjust via OSD. • Adjust the Phase and Pixel Clock controls via OSD. • Reset the monitor to Factory Settings. • Check environmental factors. • Relocate the monitor and test in another room. Missing Pixels LCD screen has spots • Cycle power On-Off. • Pixel that is permanently Off is a natural defect that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: http://www.dell.com/ support/monitors. Stuck-on Pixels LCD screen has bright spots • Cycle power On-Off. • Pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: http://www.dell.com/ support/monitors. Brightness Problems Picture too dim or too bright • Reset the monitor to Factory Settings. • Auto Adjust via OSD. • Adjust brightness & contrast controls via OSD. Geometric Distortion Screen not centered correctly • Reset the monitor to Factory Settings. • Auto Adjust via OSD. • Adjust horizontal & vertical controls via OSD. NOTE: When using DP/HDMI input, the positioning adjustments are not available. Horizontal/ Vertical Lines Screen has one or more lines • Reset the monitor to Factory Settings. • Perform Auto Adjust via OSD. • Adjust Phase and Pixel Clock controls via OSD. • Perform monitor self-test feature check and determine if these lines are also in self-test mode. • Check for bent or broken pins in the video cable connector. • Run the built-in diagnostics. NOTE: When using DP/HDMI input, the Pixel Clock and Phase adjustments are not available. Synchronization Screen is Problems scrambled or appears torn • Reset the monitor to Factory Settings. • Perform Auto Adjust via OSD. • Adjust Phase and Pixel Clock controls via OSD. • Perform monitor self-test feature check to determine if the scrambled screen appears in self-test mode. • Check for bent or broken pins in the video cable connector. • Restart the computer in the safe mode. Safety Related Visible signs of • Do not perform any troubleshooting steps. Issues smoke or sparks • Contact Dell immediately. 62 | Troubleshooting

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69

62
|
Troubleshooting
Shaky/Jittery
Video
Wavy picture or
fine movement
Perform
Auto Adjust
via OSD.
Adjust the
Phase
and
Pixel Clock
controls via OSD.
Reset the monitor to
Factory Settings
.
Check environmental factors.
Relocate the monitor and test in another room.
Missing Pixels
LCD screen has
spots
Cycle power On-Off.
Pixel that is permanently Off is a natural defect that can
occur in LCD technology.
For more information on Dell Monitor Quality and Pixel
Policy, see Dell Support site at:
support/monitors
.
Stuck-on Pixels
LCD screen has
bright spots
Cycle power On-Off.
Pixel that is permanently off is a natural defect that can
occur in LCD technology.
For more information on Dell Monitor Quality and Pixel
Policy, see Dell Support site at:
support/monitors
.
Brightness
Problems
Picture too dim
or too bright
Reset the monitor to
Factory Settings
.
Auto Adjust
via OSD.
Adjust brightness & contrast controls via OSD.
Geometric
Distortion
Screen not
centered
correctly
Reset the monitor to
Factory Settings
.
Auto Adjust
via OSD.
Adjust horizontal & vertical controls via OSD.
NOTE:
When using DP/HDMI input, the positioning
adjustments are not available.
Horizontal/
Vertical Lines
Screen has one
or more lines
Reset the monitor to
Factory Settings
.
Perform
Auto Adjust
via OSD.
Adjust
Phase
and
Pixel Clock
controls via OSD.
Perform monitor self-test feature check and determine if
these lines are also in self-test mode.
Check for bent or broken pins in the video cable connector.
Run the built-in diagnostics.
NOTE:
When using DP/HDMI input, the
Pixel Clock
and
Phase
adjustments are not available.
Synchronization
Problems
Screen is
scrambled or
appears torn
Reset the monitor to
Factory Settings
.
Perform
Auto Adjust
via OSD.
Adjust
Phase
and
Pixel Clock
controls via OSD.
Perform monitor self-test feature check to determine if the
scrambled screen appears in self-test mode.
Check for bent or broken pins in the video cable connector.
Restart the computer in the
safe mode
.
Safety Related
Issues
Visible signs of
smoke or sparks
Do not perform any troubleshooting steps.
Contact Dell immediately.