My HP Probook 455 wont boot up.

[Connor Donnan]

I have a HP Probook 455. 2 days ago when I powered it on it starts to boot up. But then screen goes blank. If I move the cursor it’s a blue spinning wheel. I have tried hard reset and system restore. Didnt work. Now when I try to access Safe mode etc it wont accept the user password that I used to system restore. Any help appreciated…. Connor

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