Windows wont turn on - Microsoft Community


out of pc /windows 10/ not working. on black screen there red message booting problem. when enter ok try go recovery...... 1 time showed "error 0xc0000221" "\system32\winload.efi" missing. lost recovery memory stick. there can short of taking repair shop? thanks   

start pc, after manufacturers logo disappears , windows 10 tries boot, press , hold power button down 5 - 10 seconds perform hard shut down

do twice

on third boot attempt, windows boot windows 10 repair environment, there can access startup recovery, safe mode, command prompt . . . etc.

open command prompt repair environment , type each of following commands (press enter after each one)

bootrec /fixboot

bootrec /scanos

bootrec /fixmbr

bootrec /rebuildbcd

then try rebooting , see if have bootable system

if not return command prompt explained above:

type diskpart , press enter.

type list volume , press enter.

under label row, find label system reserved , note corresponding volume number.

type select volume=n , press enter, n volume number noted earlier.

type assign letter=w , press enter.

type exit , press enter.

type bcdboot c:\windows /s w: /f uefi , press enter

reboot , see if system booting

if not, try going bios ans disabling secure boot

i hope helps



Windows / Windows 10 / Performance & system failures / PC



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