no image

I have a classic 2009 Mac Pro from a friend that doesn't display or do anything after powering on and chiming. Unsure what troubleshooting steps to do from here... Relevant specs: Dual Xeon E5520 2.26GHz 4C, Sapphire Pulse RX580 8GB, 6x 2GB 1066MHz ecc RAM correctly installed, vanilla MacOS...

Basically when I turn my mac on the apple logo in the back lights up and there’s backlight but no chime or image. The brightness and light up keyboard keys don’t do anything. When I close the lid without turning it off the apple logo stays light up. There is a small chance that it could have...

About a quarter of the photos that other iPhone users email to my iCloud account WILL NOT DISPLAY on whichever iPhone I have paired to my Apple Watch. These same photos display just fine on all of my other iOS devices, as long as they're not paired to an Apple Watch. This started with my...