Try my extra : (no need to disable anything in bios)   Change of this extra.lzma > - removed drivers i915.ko drm_kms_helper.ko drm.ko in usr/lib/modules - removed reference of this drivers in etc/rc.modules   Installation > sudo -i echo 1 > /proc/sys/kernel/syno_install_flag mkdir -p /mnt/synoboot1 mkdir -p /mnt/synoboot2 mount /dev/synoboot1 /mnt/synoboot1 mount /dev/synoboot2 /mnt/synoboot2 Remove extra2.lzma and replace extra.lzma by the one attac