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Check your computer to make sure it is actually sending out a signal. You can do this by hooking up another working monitor. If the other monitor works, there maybe a problem with the original monitor and it may need to be sent for service repair.
no input or signal means that the monitor is not receiving any signal from the CPU and if the power light is amber then and the cpu works fine then there could be a problem with the cable connecting the CPU and the monitor ...check the cable.
Go back to Dell monitor. Remove any video drivers from hp.change video resolution both in windows and in video card settings to standard 1024 x 768 (yes it will look horrible) then hook up hp monitor. Don't install drivers if prompted get them from hp website then adjust resolution through video card settings after drivers installed which probably require restart.
some displays take a while to connect via dvi... not a problem, it just is... mine is the same way, it has to do with the vertical synchronization at signal detection... its common if the firmware in the display dosent get programmed to use dvi as primary signal..
Not at all - as long as there is a VGA connection (analog) for the monitor, you're fine. Make sure that if you have a video card that you set your bios to automatically send the video signal through the card (where you'd hook your monitor cable to).
In some cases, if you have a video card, (and you're connected to the VGA output from the motherboard), the signal is bypassed and trying to go through the card automatically. If there is no card, disregard this last paragraph.
This problem requires you to test both the monitor and the signal input form you cable tv setup. Set the monitor up on a computer and see if it works properly. If it does then you may have a problem with the signal conversion of the cable tv to the monitor. It also could be a weak signal that drops below the monitors sensitivity levels. Have your cable tv repairman check the signal levels on your lines. Another way to test this is to hook up is with a different monitor to test your setup and see if it works. If after testing you find, the monitor does not work properly, then you need to have it serviced. Hope This Helps.
No . I am not suggesting that you flash the BIOS . I am suggesting that newer drivers are likely available and you should download them and install,especially the video card driver. They even have diagnostic software fot your model, if you have or can borrow another monitor that will work.
Their seems to be 12 different video cards on your model alone. If this doesn't work , judge me not harshly but give me a chance to have you try something else.
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.