hi there i have an hp pavilion dv6115ca now the problem im haveing is that one day my laptop would not start up id push the power button the lights on the laptop come on screen stays black then lights go off again and repeats the same thing over again, now ive looked around and found that if i hold my power button down until it turns off again press the power again right away holding it then let go when i see the blue led disapear where the card reader port is the laptop will boot ounce again but some times as its booting i noticed on the screen everything would be going crazy on the screen like a bad cable signal or something, so i shut it down right away again and repeat the steps to boot up until the screen loads fine. now anyone can tell me what can be possibly causeing this?? its driveing me nuts is it a power issue or a video card problem? if anyone can plz help it be greatly appreciated thank you