Everything has worked fine for years. No new hardware/software except the usual Win10 updates. Except for replacing a hard drive many, many years ago on another PC, I don't get into the BIOS or...

Dell XPS8930 with Win10 Home, Ver. 21H2 (OS Build 19044.1348) -- Due to an injury, I use an old MicroSpeed trackball, which requires a serial-to-USB cable (PL2303 driver). For a week now, the...