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HP Laptop ProBook 15-efi300wm

This morning, I accidentally dropped my phone onto my laptop. Later on today, it began acting weird. Every five minutes it locks and forces itself into hibernation, so I have to keep pressing the power button to turn it back on. When I turn it back on, I get the 90b "corrupted fan" message. My dad isn't going to help me or let me call HP customer support to fix the problem, and I have no air can or ability to repair the inside of the laptop. And my F10 key has stopped working, so I can enter the BIOS either. Please help me! 

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