Acer Aspire V571 boot menu problem

Rishi1964 Member Posts: 2 New User
edited August 2023 in 2018 Archives
Hi recently I tried to install windows 10 march edition with the help of USB..
But didn't found boot menu..
Then after following some videos I enabled legacy boot and now whenever I restart F2 and F12 options are available but none of them working instead a window installer appears .
M not able to avoid it and open my windows and the option which Was something firmware in advanced option has been disappeard after I enabled legacy mode what shoul I do How should I disable legacy mode and how to avoid that installer and open my os.
And m not able to restore or anything I have attached some pics plz have look thanks