Vga extension cable often problems and solutions

An image for a reason flashing fault but more flower color: generally vga extension cable adjustment switch is not adjusted Workaround: use a small screwdriver to slowly adjust with vga extension cable remote control knob to a satisfactory picture of the state of two images, fonts are generally several reasons tailing common fault; 1 crystal head no pressure is good, the contact resistance of the big two remote control switch is not fine .3 . bad quality or network cable network cable over distances using distance and distance and cable quality is generally solution: remote adjustment knob, re-pressed crystal head, use good quality crystal head, make sure to use a good brand of good contact network cable (cat5e patch panel is better), transmission distance and use our recommended brand cable cast serious three-screen, full of red, green, blue, short tail long distance, adjust the switch can not resolve the cause:vga extension cable of VGA interface part is there is poor contact problem, crystal head bad problems, incorrect use shielded cable and crystal head of problem solving: Check VGA connector or replace the vga cable，shaking crystal head, check for poor contact problem and test whether all pass, crush, or redo crystal head. distances shorter tail length is generally shielded crystal head and the network cable is not properly grounded problems, solutions, grounding, and use shielded crystal head four. remote did not chart indications, because light does not fault: Generally it is not connected VGA connector and cable problems and crystal head solution: Check the VGA connector and cable section to determine patency and good contact, check the network cable is connected and the Crystal Head and there is good contact five images twill, striped Cause: general vicinity of strong electromagnetic interference is the solution: open wiring interference interference sources, or use shielded cable and crystal head.