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dual boot gentoo+windows 8.1 - uefi Boot Manager - Boot Menu
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MaJac
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Joined: 17 Sep 2011
Posts: 6

PostPosted: Mon Mar 17, 2014 8:19 pm    Post subject: dual boot gentoo+windows 8.1 - uefi Boot Manager - Boot Menu Reply with quote

Hi, I'm trying to set up a dual boot system (gentoo + windows 8.1) on my new Thinkpad Yoga and I have a couple of questions related to the UEFI Boot Manager.

On power up I can press F12 in order to pop up a Boot Menu in which I'm able to select among the entries that I have set using the UEFI shell command bcfg. Now I would like to know if it is possible to instruct the UEFI Boot Manager in order to display the Boot Menu without pressing the F12 key.

When I use bcfg boot dump within a UEFI shell in order to see the possible entries of the Boot Manager I can see options like these:

Code:
Option: 10. Variable: Boot0010
Desc - Setup
DevPath - FvFile(86488440-41BB-42C7-93AC-450FBF7766BF)
Optional- N
Option: 11. Variable: Boot0011
Desc - Boot Menu
DevPath - FvFile(126A762D-5758-4FCA-8531-201A7F57F850)
Optional- N


however even if I set the Boot Menu option to be the first:

Code:
bcfg boot mv 11 1


the Boot Menu does not appear without pressing F12.

I want to do so mainly because pressing F12 cause an irritating motherboard beep which I cannot disable, and because I'm curious about the possibility of setting up a dual boot system without installing an additional bootloader. Any ideas?
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blu3bird
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Joined: 04 Oct 2003
Posts: 612
Location: Munich, Germany

PostPosted: Mon Mar 17, 2014 9:49 pm    Post subject: Reply with quote

In the UEFI setup(F2) go to the boot priority section and try disabling everything.

If that doesn't work you should try contact your mainboard manufacturer.
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