安装ubuntu 20.04后无法启动Windows 10

I initially had Windows 10 in my laptop and decided to dual boot it with Ubuntu.I successfully installed Ubuntu 20.04 ,but now my laptop is automatically loading Ubuntu only.No grub shown and no option for choosing windows is given.I need a solution for this... Ubuntu pastebin I did the same steps given in boot-repair site and it showed successful boot repair too Still no grub shown...Help me