I have installed ubantu in my window 10 laptop with dual boot but no option to boot window10

[Sonulakra81]

I installed ubantu in my window 10 laptop for dual boot and allocate 50 gb to ubantu in c drive but after this no option to boot with window 10 and it show only 50 gb drive and my data is not shown 

[Lil_Boy_Blue]

Hi

https://www.tecmint.com/install-linux-mint-alongside-windows-dual-boot-uefi-mode/

https://help.ubuntu.com/community/WindowsDualBoot

https://www.linuxtechi.com/dual-boot-ubuntu-18-04-lts-with-windows-10/

https://www.wikihow.com/Dual-Boot-Windows-10-and-Ubuntu-16.04

Maybe if the install completed a new boot manager was installed, and ESC and F9 at power on may list it.

F5/F6 may re-arrrange the sequence.

If after reading the above you have any questions please ask.