Comment 3 for bug 1886148

Next day & updated ISO [2020-06-03 now] and same issue.
have tried 2x thumb-drives, one from yesterday & a new one.
thumb-drives were written firstly by primary d960 (tested on listed boxes), then one was re-written using sonycrap

sony vaio svp112a1cw (i5-9400u, 4gb, intel haswell-ULT)
hp dc7700 (c2d-e6320, 5gb, nvidia quadro nvs 290)
hp 8200 elite sff (i5-2400, 8gb, nvidia quadro 600)
dell [optiplex] 755 (c2d-e6850, 5gb, amd/ati radeon rv516/x1300/x1550)

I've mentioned on #lubuntu-devel my issues, kc2bez will hopefully test..
I've re-ran zsync script & it reports my ISO is 100% complete, so will write a new (fifth) thumb-drive & re-test...