can we check a couple of things first. Yours is a nexus 5 and not a 5X as we have had that problem in the last few days and the result was the same as yours. The Nexus 5X is not supported.
Test adb and fastboot if anything from those at least it's a start and just leave it conected for an hour or so if you haven't already. Also try here our Install group https://t.me/WelcomePlus