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A few days back, Windows prompted a firmware update, and after the update, my laptop directly boots into Windows10, and GRUB Menu has gone. To fix this, I changed the boot order in BIOS to Ubuntu first and second Windows. It worked; GRUB Menu appeared like normal. But after this change, Windows doesn't shut down; it goes to sleep instead. I tried various troubleshooting methods to fix this shutdown, but it didn't work, so I finally restored the boot order, and the GRUB menu disappeared again. How do I fix this?

Configuration Dual Boot: Windows10 + Ubuntu18.04 Lenovo LegionY530

Diksha Verma
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  • Did you redo all the UEFI settings. Update typically resets UEFI/BIOS to defaults & Windows or Ubuntu update makes its boot loader as first or default boot. Lenovo Gamer Legion Y530 https://askubuntu.com/questions/1161675/ubuntu-18-04-does-not-load-sdd-nvme-xpg-gammix-lenovo-gamer-legion-y530?noredirect=1#comment1935970_1161675 & Lenovo Legion Y530-15ICH https://ubuntuforums.org/showthread.php?t=2425907 – oldfred Jun 20 '21 at 14:10
  • No, I just undo the Boot order settings. Okay, so the firmware update probably changed the BIOS settings to default. But, I don't understand is why windows do not shut down when the boot order is changed. Are any other changes to the settings required while changing the boot order? – Diksha Verma Jun 23 '21 at 11:50
  • Windows often has to do updates as part of both shutdown & reboot. So you may need to delay power off, so Windows can complete its updates. Do not hibernate if dual booting as that can also cause issues if you want to share a NTFS data partition. – oldfred Jun 23 '21 at 15:50

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