I got the Pixel 2 XL a couple of months ago, after some of these issues were dealt with. I have had zero issues and the screen is one of the best I have seen, super clear and no blue, but brightness is a little less than other phones, IMO you have to be picky as hell to see this as an issue. It...
If you haven't checked already, make sure you have the SATA modes correct in the BIOS. This will cause this issue. usually the ssd is AHCI and hdd is IDE.
hit the the square icon on the lower left. It is quick and easy, You have to do that anyway before a clean install if you want to do that. But it is not needed.