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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Intel 8550U with 620UHD GPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108132#c86">Comment # 86</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Intel 8550U with 620UHD GPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108132">bug 108132</a>
from <span class="vcard"><a class="email" href="mailto:dromichet@yahoo.com" title="Dromichet <dromichet@yahoo.com>"> <span class="fn">Dromichet</span></a>
</span></b>
<pre>Hello again.
Although I've got rid of the flickering/screen-tearing by booting with the
"nomodeset" GRUB parameter (or i915.modeset=0), I wasn't fully satisfied with
this solution as some options were no longer available (the missing brightness
control and disabled suspend mode were the most annoying).
After much digging around for a solution, and even updating the kernel to
4.19.0-041900.201810221809, the actual solution came from BIOS.
The problem was SOLVED when I changed the Boot Mode from "Legacy support" (or
something) to (only) UEFI.</pre>
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