|Just generalising but mostly when a monitor says "no signal" the fact that it can even display that is a fair sign it is working. If it is a monitor fault it is likely to be something inside quite close to the input cable. Just the same, assuming this is a PC it is always best to first try the monitor on another computer (or someone else's on yours). |
A problem with the external connectors or cable is more likely, or the video/display module (or card) itself.
Always pop back and let us know the outcome - thanks