I was trying to install Deepin alongside windows 10 on acer vx5, and I got this log

p grub-efi-amd64-signed(1.67+1.65+2.02~beta2)...
Processing triggers for man-db( ..
Running in chroot, ignoring request.
Installing for x86_64-efi platform.
grub-install.real: error: cannot open `/boot/efi/EFI/deepin/shimx64.efi':input/output error.

!! Error: grub-install failed with efi deepin

Hook failed: "02_setup_bootloader_x86.job"

2.2.13, 15.5, Desktop

Could someone help me please

  • Disable Fast Startup in Windows and try again.
    – user252181
    Feb 5, 2018 at 0:25

1 Answer 1


I did what Michael said.

Disable fast startup

Follow these instructions

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