C2G 32568 UKV-048OSD_088OSD_0168OSD - Manual (Page 33)

UKV-048OSD/088OSD/0168OSD Rackmount KVM Switch User Manual Rev. 1.8 July 2004
Video Display Problems
Problem: The screen won’t show properly on my monitor or flat panel display.
Solution:
Check the following points to troubleshoot your screen display problem:
(1) Verify that your video cables have connected properly between KVM Switch and
the PC and also between the KVM Switch and the monitor.
(2) Check that the video setting of the computer does not exceed the highest
resolution support of the KVM Switch. If you choose a resolution that is beyond
the video support of the KVM, the screen on your local console might show up
as blank or striped screen due to out-of-range or out-of-sync. If that is the case,
modify both the screen resolution and frequency as within the support range of
your KVM Switch.
Problem: My screen shows excessive ghosting, speckles or stripes.
Solution:
Check the following points to troubleshoot your screen display problem:
(1) Ghosting and/or stripes on screen is probably due to excessive electromagnetic
interferences from external environments that come to compromise video signal
integrity. Check the entire path of your video cable layout and see whether
there is any undue presence of a strong electromagnetic source such as large
motor, power cable or other significant electromagnetic source. If there’s any,
remove it or try to route your video cables so as to avoid or minimize its
interference.
(2) Some older monitor might show inferior display screen when using a screen
mode that is beyond its normal support range. If that is the problem, try to use
another screen mode that is “friendlier” to your monitor
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Appendix C Troubleshooting