System and tools...
Dell Latitude E5570 (6th gen Intel CPU)
SanDisk Cruzer Blade 16GB USB Flash Drive
Latest ESET SysRescue iso and SysRescue Creator as of this post
I had a previous SysRescue install on this USB flash drive, and it didn't boot this E5570 laptop either, though it boots Dell Latitude E5540 and earlier laptops just fine. I did the "erase" function first from the SysRescue Creator, then used the existing ISO of the latest version I download just recently to create the USB flash drive-based Sysrescue. Creates just fine. And the laptop boots to this flash drive.
The problem is