After storing my computer and monitor for 3 months, which both worked perfectly, now when i've set it all up again , the monitor says .no signal.then goes blank,,,,,ive tried 2 different working monitors with the computer. same problem. checked all cables.still nothing. can anybody help please.
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No Signal on your monitor says it is not receiving a signal from your computer... this could be:
1) the cable is bad
2) the cable is not plugged in firmly
3) your monitor is set to a different source (such as VGA or HDMI) and simply needs to have the option set.
4) the video card or onboard video electronics have failed.
Suggestion: If none of the above seem to be the problem, and if your computer AND the monitor have a VGA connector AND you have a VGA cable. Try that. If that works, its a strong indication that the DVI circuits have failed either in your monitor or in the computer's video electronics.
hi, the check signal cable is coming from an issue about your monitor and computer. socheck that cable and the monitor may have multiple inputs but should auto detect the connection when turned off and then on again. I would recommend you disconnect all things but a mouse and keyboard. then turn on your system and get this fixed first once the machine works again plug in your devices as you want them and your all set. hope this helps
change the CRT/LCD to Presentation. this is done on a Dell (for example) by pressing the blue Fn key and the F8 key which cycles thru the three modes: off, shared or on. bit late (may 2009)0 but just in case/
If it's getting no signal, make sure the monitor is set for the correct input. This would be either analog (if your cord has blue ends) or digital (if the connectors are white). Depending on wt yhat your monitor is, a button on the monitor will help you set that. If it's set for the correct input signal, then switch out a different cable to see if perchance you have a bad cable out of the box. If there is another PC or laptop setting around, plug your monitor into that to make sure it's good and maybe even plug THAT monitor into yours to make sure there is nothing wrong with your video card. Let me know what transpires. If this takes care of things, please help me out by rating it accordingly.
some how your screen resolution has changed above or below what your monitor can display. you need to boot your computer using another monitor that can work with the resolution your computer has switched to(i used a spare crt monitor when it happened to me) change your resolution in display properties to a normal level like 1027x768, and while the computer is on swap the monitor cables to verify the lcd is working.
It is perfectly safe to unplug the video cable and plug it back in while the computer is turnned on.