dual boot preinstalled win 8 with win7

Azhmandiaus

Reputable
Aug 23, 2014
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4,510
Ok I have looked and all I find is yes it can be done but win 7 should be installed after win 8. But my question can not be found and here it is.. On my preinstalled win 8.1 system I have added my 2 (two) win 7 harddrives ( home and ultimate ver.)now the boot menu shows all 3 oses,but when clicking on either of the 2 win 7 oses it will start to load then reboot back to the boot screen . no mater what i've done including removing fast boot,use legacy support,no secure boot it still reboot with out loadin win 7, win 8.1 will only boot.even tried it on a usb port .oes anyone know of a fix? Thank you for any info . DJ