recently, my laptop's started to randomly colour distort and crash. when it boots up, its all normal and fine. but sometime into using it, the colour goes berserk, vertical lines run down the screen and the thing freezes, crashing after a while. after that, it takes many tries to successfully boot it up again...even after waiting ages for it to cool down. often, after pressing the power button, a black screen appears, and absolutely nothing else happens.
i gave formatting the whole system a go (after backing up my files on an external drive). it seemed ok...until it prompted me to create a new account. then the distortion, freeze and crash happened again.
does anyone have any idea what exactly is wrong? are there parts i need to replace?
i have an HP pavillion dv2839tx laptop.
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