Author Topic: Grub problem after install PM6  (Read 4668 times)

Offline puls

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Re: Grub problem after install PM6
« Reply #15 on: July 12, 2015, 03:35:30 am »
The boot-repair result is:

Boot successfully repaired.

The boot files of [The OS now in use - Peppermint Six] are far from the start of the disk. Your BIOS may not detect them. You may want to retry after creating a /boot partition(EXT4, >200MB, start of the disk). This can be performed via tools such as gParted. Then select this partition via the [Separate /boot partition:] option of [Boot Repair].

No idea what that all means

Offline Slim.Fatz

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Re: Grub problem after install PM6
« Reply #16 on: July 12, 2015, 03:43:07 am »
Hi puls,

I think that what it means is to go back to the LiveUSB, start with Try Peppermint, then start GParted and use its functions to move your existing partitions so that at the beginning of the HDD there is an empty, unassigned partition that is >200 MB, then formatting it to be of type EXT4. Then use this as your /boot partition as you continue the process of doing the Boot Repair.

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Offline puls

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Re: Grub problem after install PM6
« Reply #17 on: July 12, 2015, 03:45:39 am »
I've just rerun LiveUSB, enter gParted and it looks like the same.
At the top right corner i have /dev/sda selected - so that's good

The list shows:
/dev/sda1   fat32           512MiB          8.25MiB     503.75MiB   boot
/dev/sda2  ext4            463.54GiB    10.47GiB     453.08GIB
/dev/sda3  linuxswap 1.71GiB              0.00B            1.71GiB
unallocated unallocated  1.02MiB          -                     -

for dev/sda3 after right-click i have the option to swapoff
but for sda1 and sda2 i have only Delete   Resize/Move   Copy    Format to...    Manage Flags     Check   Label   New UUID    Information

Offline PCNetSpec

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Re: Grub problem after install PM6
« Reply #18 on: July 12, 2015, 03:51:49 am »
If "Unmount" is greyed out it means they're not mounted.

so go to
Device > Create Partition Table
and select msdos style partition table.

once it's done the drive should contain NO parttiions

close GParted and run:
Code: [Select]
sudo fdisk -land see if it still mentions a detected GUID Partition Table (GPT) .. if not try reinstalling
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Offline puls

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Re: Grub problem after install PM6
« Reply #19 on: July 12, 2015, 03:58:17 am »
did that. it doesn't show GPT anymore now.
just states the following:


Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00065d8f

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdb: 2031 MB, 2031091712 bytes
255 heads, 63 sectors/track, 246 cylinders, total 3966976 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00091bb7

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *         128     3966975     1983424    6  FAT16

is that what it should be? witn no /dev/sda devices?

As to gParted: before i deleted the partitions the "Mount" was greyed out. So not sure about that. Then again there was no "Unmount" button


Also during the installation I chose "Erase disk and install Peppermint". Maybe I should choose "Something else"? Not sure where the devil is in here :)
« Last Edit: July 12, 2015, 04:22:24 am by puls »

Offline PCNetSpec

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Re: Grub problem after install PM6
« Reply #20 on: July 12, 2015, 04:25:50 am »
That's spot on.

Just install Peppermint now .. choosing to use the whole disk.
(in other words, just accept the defaults).
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Offline puls

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Re: Grub problem after install PM6
« Reply #21 on: July 12, 2015, 05:13:57 am »
Oh my, I hope I'm not annoying you too much.

I did just what you wrote me to do. Just finished installing. Reset. Grub command line again.
And what is even funnier fdisk writes that GPT partition detected on /dev/sda.

It looks as if those partitions get created during install process.
during the process of installing i got notified that there will be 3 partitions created #1 efi, #2 ext4, #3 swap

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Re: Grub problem after install PM6
« Reply #22 on: July 12, 2015, 05:33:13 am »
Ahh, right .. you need to set the UEFI BIOS to Legacy BIOS mode (and disable Secure boot if enabled)
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Offline puls

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Re: Grub problem after install PM6
« Reply #23 on: July 12, 2015, 05:43:04 am »
Tried that however to no avail. It is all the same.

Offline PCNetSpec

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Re: Grub problem after install PM6
« Reply #24 on: July 12, 2015, 06:00:45 am »
OK, your other option would be to install the 32bit version of Peppermint which doesn't have a EFI  mode
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Offline puls

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Re: Grub problem after install PM6
« Reply #25 on: July 12, 2015, 06:03:46 am »
oh! didn't think of that! Will do that then. Will see if that helps. In case it doesn't - will report back.
Thanks for all your help so far.

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Re: Grub problem after install PM6
« Reply #26 on: July 12, 2015, 06:14:03 am »
Be sure to set the partition table back to msdos style before installing.
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Offline puls

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Re: Grub problem after install PM6
« Reply #27 on: July 12, 2015, 08:00:40 am »
thanks for everything guys. 32-bit runs smoothly with no problems.

Excellent help! Will stick to peppermint from now onwards. OS is one thing, but community like that is another.

Talk to you soon.
Problem solved

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Re: Grub problem after install PM6
« Reply #28 on: July 12, 2015, 08:03:38 am »
Great news :)

We're looking into the 64bit dual boot Win8/GRUB/UEFI/GPT issue .. hopefully it'll be fixed in a respin.

Your issue seems slightly different, but maybe it'll be solved by whatever fix we come up with for the other issue.
« Last Edit: July 12, 2015, 08:07:21 am by PCNetSpec »
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Offline WaltH

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Re: Grub problem after install PM6
« Reply #29 on: August 13, 2015, 09:51:53 pm »
Great news :)

We're looking into the 64bit dual boot Win8/GRUB/UEFI/GPT issue .. hopefully it'll be fixed in a respin.

Your issue seems slightly different, but maybe it'll be solved by whatever fix we come up with for the other issue.
It looks like there's several of us having this very same issue (plus however many people simply gave up after several tries). I've spent more than seven hours on this and really don't think I should have to "settle" for running the 32-bit version on my 64-bit machine.

I do hope Peppermint gets this resolved, as I really like the look and feel of Peppermint 6, but if I can't get 6 to boot outside of using the live USB, the looks do me no good. I know this machine can run Linux as I've had Manjaro loaded on it.