Solve : no signal to my monitor?

1.	Solve : no signal to my monitor?
Answer» when i turn on my computer it beeps like toooot toooot toooot 6x not to LONG and not to short and no signal to my monitor. what does it MEAN? Could be your video card. Visit the website of your bios manufacturer and CHECK the beep codes.Please specify also what recent CHANGES(hardware/software) made on the PC before this happen.

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