Help! I Think My Graphics Card Broke!

[Hossain 0]

so when I came to my computer today, I turned on the monitor, and nothing was on screen, I think w.e. I'll restart.

Well I did, and then when it booted up there was these white lines going from the TOP to the Bottom of the screen, like a white flickering line every few seconds! (Omg my screen just like turned off for a second right now)

When it went to the Vista screen the flickering lines go away, but when I turn the monitor off and on, nothing shows up on screen (Well I don't turn it off, it turns off automatically after a while) Idk what is going on?!?

Monitor problem?

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[iInspire 0]

if it was a problem with the VGA nothing would be visible in the monitor.. it might be some other hardware failure .