Windows files cortupted and unreadable

So out of nowhere, my computer started running slowly and having delay.I tried restarting it, but it took like 7 minutes to boot, and when it was done,surprise, some windows files were corrupted and unreadable(that's the error that popped up).I can't start it 8n safe mode because the files won't load.When I restarted it again , it started automatically running some scan(I guess it realized there was something wrong) I believe it was called CHKDSK.Even so after it finished a error appeared after booting (this time only one file was corrupted).Now my laptop is really slow and has so much delay it's impossible to do anything.

Would really like some help.

Update:Just as I was writing this, I tried restarting it again but it said something like unreadable drive please press ctrl alt delete to restart.I'm also hearing 2 ticks from my laptop when restarting it.
 
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