"restart your computer while holding down Shift + F8 to access the boot 
menu. Then go to Advanced Options > Go back to Windows 8.1/7. If you're 
lucky, Windows 10 will restore your previous OS along with all your 
documents."

http://ccm.net/faq/42708-windows-10-how-to-recover-your-system-after-a-failed-update

On 2016.05.26 09:07, Linas Petkevičius wrote:
> Namie vieno kompo nesuziurejau - suejo automatu iki win10. Butu px, bet
> po kokiu 10 sekundziu isgriuna į melyna langa. Per visokius repair
> nerandu kaip padaryt rollback? Kaip suktis, nes nx man to nereik...