When i turn my monorter on it says check cabal signal what is it and w

i need help please when i turn on my moneter it says check cabal signal were do i look and what do i do
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More about when turn monorter check cabal signal
  1. Unfortunately what you see is a standard error message simply meaning that no signal is reaching the monitor's electronics.

    Could be the cable -- if it's removable replace it and see.

    Could be the computer video card -- try the monitor with another computer.
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