Successfully Installed but cant access on my ubuntu

[Zahid_Hasan]

Hello, everyone i am interested about ubuntu.
i download a ubuntu 14.04.4 LTS from http://www.ubuntu.com/download/desktop/contribute/?version=14.04.4&architecture=amd64
i boot it from a pendrive. installation was successful.
i install it dual boot with windows 8.1.
complete installation when i reboot my pc. it automatically boot into windows operating system. there is no option for ubuntu.
please help me

[RobGoss]

Hello and welcome this link should help you have a full understanding how to install a dual boot and get everything working correctly.

For more info on UEFI boot install & repairhttp://ubuntuforums.org/showthread.php?t=2147295