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Old 03-28-2015, 10:51 AM   #31
vinay45
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which key can invoke grub2 boot menu.i need to boot to centos but i can't see the boot menu as the count down is set to"0".
 
Old 03-29-2015, 05:43 AM   #32
johnsfine
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Quote:
Originally Posted by vinay45 View Post
which key can invoke grub2 boot menu.i need to boot to centos but i can't see the boot menu as the count down is set to"0".
I always use up or down arrow in that situation. I don't know what other keys also work, but those do.

The trick is knowing when to press the key. I often miss on the first try as I rediscover what the appearance and timing is for boot of a specific machine.
 
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Old 03-30-2015, 02:11 AM   #33
vinay45
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I had to boot from the centos installation disk and edit the GRUB_DEFAULT line in
Code:
/etc/default/grub
and run
Code:
grub2-mkconfig -o /boot/grub2/grub.cfg
to solve the problem
 
  


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