windows 7 dual boot timeout

[DogeGod]

Hi, i recently installed kali linux with windows 7 but when i get to the menu to choose the OS i want to boot in i always have 3 seconds to choose. If i dont do anything it automatically boots into linux. Has anyone had this issue?

[rAWjAW]

You should be able to edit the "GRUB_TIMEOUT" option inside /etc/default/grub to increase the timeout to select an OS. As an example, you can set this to 10, 15, etc for a 10 or 15 second timeout respectively.

[Sagaryal]

You can proceed this in 2 ways.

Method 1
You can change the default partition/OS selection. You can make windows to open aa default.
Just do as:

gedit /etc/default/grub
Use sudo if non-root user.

Then you would find GRUB_DEFAULT=0

This means it will select the default partition/OS In boot menu. Number 0 means it will select top linux OS.

In boot menu you may find windows OS like
windows /dev/sda3
by moving few steps below. You may just count the number of steps in which it lies from top.
Count from top starting from 0

Then replace that number in place of 0. Then save it and exit from editor.
And type
update-grub in the terminal.

Method 2
You could also increase the grub timeout. Just replace the value in
GRUB_TIMEOUT with any value. The value entered will be in seconds. If you want 10 seconds just simply type 10 in that section. And at last save it and exit from editor.
And type
update-grub in the terminal.
That's it.