hello , i have a very weird problem. from time to time my backspace its seem to be held down even if i disconnect keyboard restart problem remains , i cannot access broswer to search the internet or any options at windows because everything i write or navigate with mouse it keeps bring me back!cannot do nothing when this problem occures. sometimes the problem remains for hours even after alot of restarts sometimes just for some minutes, i have win 10 64x i run bitdefender antivirus and seems everything to be clean. please help i cannot find any solution