[Trisquel-users] Antwort: how do i get this sytem to dual boot trisquel and win 7 on the same hdd but different partition

[ilfsw]

i did just that
....3 times
nothhing

i assume it isntalled allright it told me it installed allright
but how do i change this boot menu to include trisquel or switch a grub menue  
before that?