My computer won't go any further than a white screen with the apple and turning wheel.
my computer display is white with the apple logo and turning wheel. I can't get it to go any further than that when powering on.
MacBook Pro
It would be helpful if you indicated the EXACT model/year of your MBP and the current OSX.
Start with SMC and NVRAM resets:
https://support.apple.com/en-us/HT201295
https://support.apple.com/en-us/HT204063
Then try a safe boot:
https://support.apple.com/en-us/HT201262
Any change/
Ciao.