problem hd

when in the Mac OS high Sierra installer trying to format my boot drive (a 250 gig ssd) I have no internal drives on my list available to format, although if I try to set up raid, my drive shows up. they both also show up within my bios. my rig consists of a i5 7600 on an asrock H270M-ITX/ac...

I installed osx 10.13.1 by using the guide from rehabman.Installed fine but now the problem with intel hd 620 graphics. it shows only 4mb...i used the 620 config.plist from rehabman's repository and added the lilu and intelhdgraphicsfix kext..but still it shows 4mb graphics. Can anyone help me...

Hello I am having difficulties in installation. When I install Yosemite, it does not show my hard drive in Disk Utility, just my pendrive. System : Gigabyte (Ivy Bridge) | GA-B75M-D3H CPU : Intel Ivy Bridge Core I7 3770 3.40GHz Quad Box Graphics : Nvidia GeForce GTX 660 TI 2GB GDDR5 192-bit...