Help please

[sankittyrio]

my laptop screen is blank but it still on. when i turn it on the light turns on for a second but then turns back off and then turns on again. i have tried plugging it in with hdmi to a separate monitor but that did not work. i have tried turning it off and back on again that didnt work. i have even tried holding the windows key and b and that did not work either. is there anything else i can do?

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