2016-04-29 0:09 GMT+02:00 Zachary Kline <zkline@xxxxxxxxxxxxx>: > Hi All, > > So my laptop upgraded to the latest version of Windows 10 recently, and > this seems to have undone the hack of replacing the default bootx64.efi > file. That is, the file is still SystemD’s boot loader, but somehow I’m > back to only being able to boot Windows reliably. Has anyone else seen this > particular frustration with an upgrade? I note that my laptop came with > Windows 10, so this was just an incremental update as far as I now. > > Thanks for any ideas. This is kind of maddening. > Best, > Zack. Hi. Did you check if Windows reactivated fast start-up [1]? What exactly happens when you boot linux? Greetings, Tim [1] https://wiki.archlinux.org/index.php/Dual_boot_with_Windows#Fast_Start-Up