Do you have a bootable external drive? You could try booting up under it so you can see if the issue is hardware or software with your drive.
You could also try booting up under OS recovery and then running Disk Utility from it. I find the external drive is better way to running Disk Utility.
Reference:
* [https://support.apple.com/en-us/102603|Mac startup key combinations]
* [https://support.apple.com/en-us/102662|How to download and install macOS]
* [https://support.apple.com/en-us/101578|Create a bootable installer for macOS]