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Guys my laptop had only windows 8 version. Recently I installed Ubuntu 18.10 version in it. But the problem is it is now booting directly to windows.

As seen in forms I tried turning off secure boot and fast boot but still the problem remains.

user999
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    Ubuntu 18.10 is EOL (*end-of-life*) thus off-topic on this site (refer https://askubuntu.com/help/on-topic), http://fridge.ubuntu.com/2019/07/19/ubuntu-18-10-cosmic-cuttlefish-end-of-life-reached-on-july-18-2019/ Why install an EOL release? (18.10 means the 2018-October release with *yy.mm* format used; it was not a LTS or *long-term-support* release so *release-upgraded* to 19.04 before it went EOL; that upgrade path is gone as 19.04 is EOL too) – guiverc May 13 '20 at 12:13

2 Answers2

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I have used boot-repair before to successfully fix these sorts of dual-boot issues, see here:

How can I repair grub? (How to get Ubuntu back after installing Windows?)

codlord
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Other than @codlord answer (that in my opinion should be the first thing to do), maybe there is the chance that GRUB menu is hidden and Windows is the default: this means that you cannot select Ubuntu because you cannot see the GRUB menu.

If boot-repair doesn't help you, try to open as root the file /etc/default/grub and find the following variables:

GRUB_HIDDEN_TIMEOUT
GRUB_TIMEOUT_STYLE

if GRUB_HIDDEN_TIMEOUT exists, comment it with a #

Also, set GRUB_TIMEOUT_STYLE=menu (maybe it is currently set in your machine as "hidden")

After saving the file, run sudo update-grub and reboot.

mikkeyboi
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Lorenz Keel
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