No choice, only windows on boot

**mkstallings1** · July 3rd, 2012

While in Ubuntu, did you "sudo update-grub"? I have no idea how to fix your boot screen not showing, but it may at least add Windows to your "invisible" list.

**Subcomfreak** · July 3rd, 2012

I did that and now I am able to boot into windows. Menu is still invisible, but this is what it is:

Ubuntu
Ubuntu recovery
memtest86+
memtest86+ (twice apparently)
Windows 2000

the top four are located in /boot, memtest is located in /boot/memtest86+

I guess I should go do some googling around to see more grub specific solutions. I'm pretty sure its a graphical problem, because my monitor is not picking up an output.

**cryptotheslow** · July 3rd, 2012

Have a look at the /etc/default/grub file using

Code:

gksu gedit /etc/default/grub

Particularly this section:
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480

Set that to a lowish resolution you know your monitor supports then save the file and run "sudo update-grub" again.

Once you can actually see the GRUB display you can use the vbeinfo command to get a list of all supported modes which you can then use to re-edit the /etc/default/grub file with a higher resolution if need be.

**Subcomfreak** · July 3rd, 2012

I was about to post in here saying that I tweaked that exact file and it worked. Problem solved!

**YannBuntu** · July 4th, 2012

Hello

Originally Posted by Subcomfreak

A black screen came up with "can not display from this video mode. I just hit enter and It boot to unbuntu.

For information, another way to solve this is via the "out-of-range" option of Boot-Repair (Advanced options -> GRUB options tab). This sets the GFXMODE to 640x480 and updates GRUB. Then a higher resolution can be tested as suggested by cryptotheslow.