![mac powerbook pro circle with slash mac powerbook pro circle with slash](https://support.apple.com/library/content/dam/edam/applecare/images/en_US/osx/mac-globe-screen-icon.png)
If it fails and raises the Prohibit Entry sign, it indicates that USB port to which you have instead the USB disk has no Power.Since you are using a USB installer disk hoping to reach the Disk Utility Screen to find your target Hard disk for System installation, and using DU(Disutility) Partition and Format that disk and then dump the System files contained inside the USB installer Flash disk on to the newly formatted Hard disk, your USB port should function flawlessly through out the 30-45 minutes needed to create a System disk Minus its EFI boot loader in the blank EFI partition created from DU screen.Upload CLOVER from High Sierra USB installer as zipped file.User related error is the most common cause for troubleshoot. Take and upload to the Forum BIOS screen shots ( especially USB related) or list the options chosen, rather than saying I have followed the GUIDE.The best thing for somebody who is new to Hackintosh is to :.
![mac powerbook pro circle with slash mac powerbook pro circle with slash](https://i.imgur.com/256bY1Pr.jpg)
Your USB Flash drive itself has a problem and you might need a new one that works better.You have inserted a USB port that has a problem and that you may have to switch to a different port and try.Your CLOVER/ist_Devices _USB section does not have Inject FixOwnership.Your CLOVER/kexts/other does not have a USB related kext that could support USB ports.You have failed to Enable needed USB controllers in the BIOS.Those in BOLD are more likely and and hence need the greatest attention: This can occur under the following conditions.If it fails and raises the Prohibit Entry sign, it indicates that USB port to which you have inserted the USB disk has no Power.Since you are using a USB installer disk hoping to reach the Disk Utility Screen to find your target Hard disk for System installation, and using DU(DisK Utility) Partition and Format that disk and then dump the System files contained inside the USB installer Flash disk on to the newly formatted Hard disk, your USB port should function flawlessly through out the 30-45 minutes needed to create a System disk Minus its EFI boot loader in the blank EFI partition created from DU screen.The symbol you are describing called "Prohibit logo" error is typically seen when the booting disk loses communicating with the system and since no file transfer can occur, booting will stop at that juncture.Building a CustoMac Hackintosh: Buyer's Guide