Try "Rebuild MBR" in Partition Wizard Boot CD?
I find it a very useful tool.
If it ain't that someone else will have to answer cos' my knowledge is thin.
Nokia 8 vs Galaxy S8
Best new design books 2017: From vintage infographics to the the psychology of type
iMac 21.5-inch (2017) review
Nokia 8 : design, caractéristiques techniques, date de sortie