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Old 05-26-2011, 03:22 AM   #1
vikrang
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Registered: Jan 2011
Location: India
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GRUB 2 Display Problem


I am not able to view the GRUB2 menu in my monitor...There is a small Green Box with the message "Hz?" ..I think GRUB2 is not able to determine monitor refresh rate...

The monitor is good as the OS loads properly.....Currently , since I am a regular user of linux I know the menu entries of GRUB2 ...For instance WIN is the 4 th entry Linux is first entry and so on..

Due to the display not there still I am able to boot with the help of arrow count..For Linux I just press "Enter" when the Hz? is floating around , I press Down arrow 4 times and press <enter> to boot windows

How do I get GRUB2 to show up??
 
Old 05-26-2011, 11:37 AM   #2
yancek
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I'm not that familiar with Grub2 but I'd suggest you take a look at the /etc/default/grub file. There are some settings in there which might help.
 
Old 05-26-2011, 12:01 PM   #3
Larry Webb
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Here is ubuntu's tutorial on grub2 that has some display options

grub2

If this helps find the solution please post your results.
 
Old 05-27-2011, 11:34 PM   #4
vikrang
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[solved]

Dear Larry , As explained in the link you have given..

I edited the file using

nano /etc/default/grub

I uncommented the line

GFXMODE=640*480

I added supported resolutions in the order of my preference..I read that GRUB2 will try the resolutions in the order of preference separated by ","

My LCD monitor resol is 1360*768

so , I modified the line above as

GFXMODE=1360*768,1024*768,640*480

I gave 1024*768 to be on the safer side if the native reolution did not work

I saved and rebooted ,

GRUB2 menu appears beautifully now!
 
Old 05-28-2011, 07:27 AM   #5
Larry Webb
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I am glad it solved that easy. I would have guessed wrong. You did not mention it this happened on a fresh install, if you had replaced your monitor, tweaked grub or upgraded a module. To be honest I thought it might have been the hidden menu or timeout count.
 
  


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