I have some input about my computer. It is 64 something, win 10 pro and need guided. I had 1909 update and everything is not good. Cannot get profile. In bios says not installed. I did the click 1 and nothing it wants a password I do not have for admin. I used number password. Will not accept. Read where explorer is the problem. Troubleshoot will not go beyond the admin problem mentioned . Cannot do any commands type in as screen does ot respond. I am told simple fix. Do not want to loose my info Help?