kknight419 , Below find a couple links that may help address your issue on your HP Touchsmart 300. Good luck. I hope this helped you out, if so let me know by pressing the helpful button.
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kknight419 , Below find a couple links that may help address your issue on your HP Touchsmart 300. If not leave the question open. Good luck. I hope this helped you out, if so let me know by pressing the helpful button.
kknight419 , Below find a couple links that may help address your issue on your HP Touchsmart 300. Good luck. I hope this helped you out, if so let me know by pressing the helpful button.
https://h30434.www3.hp.com/t5/Desktop-Video-Display-and-Touch/HP-Touchsmart-300-1020-Powers-up-blank-screen-never-boots/td-p/807339
https://h30434.www3.hp.com/t5/Desktop-Video-Display-and-Touch/HP-Touchsmart-300-screen-remains-black/td-p/2928913