loading previous version of kernel

[Gary J. Kirkpatrick]

On Thu, Oct 22, 2015 at 11:29 PM, Colin Law <clanlaw at gmail.com> wrote:

> On 22 October 2015 at 22:07, Gary J. Kirkpatrick <garyartista at gmail.com>
> wrote:
> >
> >
> > On Thu, Oct 22, 2015 at 11:02 PM, Colin Law <clanlaw at gmail.com> wrote:
> >>
> >> On 22 October 2015 at 18:43, Gary J. Kirkpatrick <garyartista at gmail.com
> >
> >> wrote:
> >> > Sometimes my touchscreen does not work and a few other issues, so I
> >> > thought
> >> > I'd load up an earlier kernel.  Ubuntu 14 is my only operating system
> so
> >> > you
> >> > should be able to choose other kernels (I have at least 1 other
> >> > installed)
> >> > by holding the shift key down.  Nada.
> >> >
> >> >
> >> >
> http://askubuntu.com/questions/87409/i-cant-get-grub-menu-to-show-up-during-boot
> >> >
> >> > There are some remedies here.  I wonder if anyone here has a
> suggestion.
> >>
> >> So which of those have you tried?  In particular what have you got in
> >> /etc/default/grub.  Maybe copy/paste it here.
> >
> >
> > Not tried any, looking for advice first.
>
> OK, I assumed that you had looked there and done a bit of googling to
> see what it all means but could not get it to work.  See [1] for a
> description of what the settings do
>
> I think that if you change
> GRUB_HIDDEN_TIMEOUT=0
> to
> GRUB_HIDDEN_TIMEOUT=
>
> Then it should show the boot menu for 10 seconds (as you have
> GRUB_TIMEOUT  set to that).
>
> I say 'think' because actually I just have that line commented out,
> but I see from the wiki page that the recommended suggestion is to set
> it to blank.
>
> Don't forget to run
> sudo update-grub
> after saving the file.
>
> [1]  https://help.ubuntu.com/community/Grub2/Setup#Configuring_GRUB_2
>
> Colin
>
> >
> > # If you change this file, run 'update-grub' afterwards to update
> > # /boot/grub/grub.cfg.
> > # For full documentation of the options in this file, see:
> > #   info -f grub -n 'Simple configuration'
> >
> > GRUB_DEFAULT=0
> > GRUB_HIDDEN_TIMEOUT=0
> > GRUB_HIDDEN_TIMEOUT_QUIET=true
> > GRUB_TIMEOUT=10
> > GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
> > GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
> > GRUB_CMDLINE_LINUX=""
> >
> > # Uncomment to enable BadRAM filtering, modify to suit your needs
> > # This works with Linux (no patch required) and with any kernel that
> obtains
> > # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
> > #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"
> >
> > # Uncomment to disable graphical terminal (grub-pc only)
> > #GRUB_TERMINAL=console
> >
> > # 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
> >
> > # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to
> > Linux
> > #GRUB_DISABLE_LINUX_UUID=true
> >
> > # Uncomment to disable generation of recovery mode menu entries
> > #GRUB_DISABLE_RECOVERY="true"
> >
> > # Uncomment to get a beep at grub start
> > #GRUB_INIT_TUNE="480 440 1"
> >
> > garyk
> >
> > --
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> >
>
> --
>

that worked, thanks.
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