Please also attach your /var/log/Xorg.0.log[.old] from after a failed boot, and the output from lspci -vvnn.
As well, please run intel_reg_dumper when seeing the blank screen.
Please also attach your /var/log/ Xorg.0. log[.old] from after a failed boot, and the output from lspci -vvnn.
As well, please run intel_reg_dumper when seeing the blank screen.