how to replace windows 7 completely and repair grub
- by sud
I am trying to install ubuntu on HP probook 4530s x64 system. there is windows 7 already installed and i want to remove it. so i format C:\ drive and make to partation \ (sha2) and swap (sha4) from it. there is also a partation sha1 (300mb) for MBR (don't know what is it) i just leave it. after some time i get fatal error unable to install grub. and so i choose partation sha1 when it ask. no at boot time there is option to choose windows 7. and not for ubuntu and windows is also removed. i also try to install grub form other answers but no success. how to replace windows completely and where to install grub and what to do with 300mb (MBR).