<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - Black/blank screen at boot (last message line: fb: switching to inteldrmfb from EFI VGA) unless i915.modeset=0 is set" href="https://bugs.freedesktop.org/show_bug.cgi?id=105549#c25">Comment # 25</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - Black/blank screen at boot (last message line: fb: switching to inteldrmfb from EFI VGA) unless i915.modeset=0 is set" href="https://bugs.freedesktop.org/show_bug.cgi?id=105549">bug 105549</a> from <a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> Jani Nikula</a> <pre>(In reply to Jim Turner from <a href="show_bug.cgi?id=105549#c2">comment #2</a>) > I had a similar pbm. on my HP laptop w/kernel v4.15+ where if the lid was up > (the laptop panel was on, ie. when booting "undocked"/no ext. monitor, the > screen goes black (but backlight still on) just after the machine starts to > boot. > > Through trial & error, I SOLVED by turning OFF "fastboot" (was on) for i915 > (I have Intel integrated graphics (ironlake)) in > /etc/initramfs-tools/modules and > /etc/default/grub, updated the initramfs & grub. > > It seems that fastboot is unable to detect the laptop panel's mode. > > Hope this helps. This is an unrelated problem.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>