Don't know what's it

i have a problem my toshiba laptop screen went black and i've tryed this: press 0 + power buttom and the i got again black screen with a msg : a disk read error occurred press ctrl+alt+del to restart i did it many time but it cames back to the same display..... can any one pleaseeeeeee help me

My first guess it that your hard disk has died. If you go into the BIOS, do you see a hard drive listed?
Rick...

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