erase process has failed.click done to continue

[tonivega]

i try to install macos sierra and when try to erase partition with mac os extended journaled i see this prpl.how to fix?

 

[trs96]

Click on the drive itself and then erase it. (where it says Hitachi)

 

[Feartech]

i try to install macos sierra and when try to erase partition with mac os extended journaled i see this prpl.how to fix?

highlight Hitachi on the left and then click erase

 

[tonivega]

Click on the drive itself and then erase it. (where it says Hitachi)

View attachment 339838

i know this but i want install in partition becaus alerdy install windows.if erase hitachi and install it i can't boot without us

 

[tonivega]

highlight Hitachi on the left and then click erase

I have already done this partition but after format disk with windows 8.1 i get this prplm

 

[Feartech]

I have already done this partition but after format disk with windows 8.1 i get this prplm

best to read up on multibooting:
https://www.tonymacx86.com/forums/multi-booting.153/