Sonoma Desktop Icons Disorganized After Reboot

I am experiencing what I believe to be a long-time problem with macOS. Ever since I updated to macOS Sonoma this past September, whenever I reboot my machine, the icons for my external hard drives, and other desktop icons, are scattered all over the place on my Desktop. Even if I organize them the way that I like them, the next time I reboot my iMac, they are disorganized again. "Cleani Up By Name" in the contextual menu does help, but then, I still have to move the organized columns more to the right on my screen so that they are flush up against the right side of my screen. Has anyone found a solution to this problem? Thank you.