I can not install Ubuntu on my windows pre installed laptop

Sanjayastn

Reputable
Mar 16, 2014
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I bought a windows 8 pre installed laptop and I installed ubuntu,Then I was unable to load windows..also I was unable to re install windows.So using windows boot I formatted the entire hard and then I was able to install windows..now I can work with windows..but I cannot install ubuntu.I can live run it.but when I boot it to install only one partition is shown as 500GB free space(MY hard is 500GB)although I have partitioned it into 3..

I have disable UEFI and enable legacy boot also disabled secureboot..I cannot turn on windows when both UEFI and secureboot are enabled,,,it shows a menu as follow
UEFI boot options
+Windows (something)
network (something)
network (something)

and
setup
and another 2 more things including a self laptop test..
please help me and mention the steps to install ubuntu