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Thread: [Boot-Repair] Graphical tool to repair the PC boot in one click

  1. #1391
    Join Date
    Sep 2013
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    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    I have installed ubuntu as my only os (in UEFI mode), nothing of windows left except the booting option? Have installed ubuntu 13.04 quite a few times before diciding how i wanted it to be.
    The problem is that it takes some time booting offering one screen saying error to many entries.
    So then I ran boot repair "recommended repair" and now I get the grub menu.
    Heres my URL

    http://paste.ubuntu.com/6071413/

  2. #1392
    Join Date
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    Ubuntu 14.04 Trusty Tahr

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    @tuva2
    Welcome to forums. Were you tuva before and forgot email? If so see sticky in resolution sub-forum.

    Is it UEFI, grub or Ubuntu kernel giving error message?
    Also what system?

    If you installed a lot of times you may be into the issue that some systems locked up with UEFI NVRAM memory being over half full. So Linux had to modify its system to make sure not to add too much to UEFI memory, even though it really is a UEFI issue.
    http://mjg59.dreamwidth.org/25091.html
    Some discussion on Redhat of that issue if it applies to you.
    https://bugzilla.redhat.com/show_bug.cgi?id=947142
    More info for Samsung UEFI issues.
    http://mjg59.dreamwidth.org/22855.html

    You may want to be sure you are running the newest version of UEFI from your vendor. But some systems may only update from Windows 8? Check manual on what options you have for updates.

    I might have installed / (root) to SSD, your current root uses 3.1GB of 83GB. My system with lots of apps uses about 9GB total. If you have lots of RAM you may never use swap and just need some and I would then put swap on hard drive. Only if you hibernate do you need swap equal to RAM in GiB not GB. And if booting from SSD then hibernation does not save much if anything.
    Last edited by oldfred; September 6th, 2013 at 07:56 PM.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  3. #1393
    Join Date
    Feb 2011
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    256

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    @tuva2
    Did you use Ubuntu installer to delete Windows Partition only?
    It should be possible to delete Windows boot entries using "efibootmgr" using Ubuntu installation media.

    One observation i would like to highlight is Boot-Repair continues to run and use "fdisk" utility even although "GPT disk has been detected"
    To understand how and why this may be contributing to boot problems, detected corrupted Partition Tables etc it may be worth investing some time to read some relevant information which includes using alternative utilities:
    http://www.rodsbooks.com/gdisk/
    http://www.rodsbooks.com/gdisk/whygdisk.html
    http://www.rodsbooks.com/gdisk/walkthrough.html
    http://www.rodsbooks.com/gdisk/repairing.html

    One question worth asking might be "Why does "Boot-Repair" leave unused boot entries?" that is reading your question as is. ie: Windows has been deleted and you are trying to install Ubuntu to two drives.

    Be sure to follow oldfred's advice as i am trying to provide additional and not alternative advice. It may be helpful to give better direction if you indicate what you intend to achieve. ie: Dual boot two Ubuntu's or dual boot Windows and Ubuntu.
    The difference between knowledge and wisdom is knowing what to do or just doing it. I know nothing and get little done.

  4. #1394
    Join Date
    Sep 2013
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    2

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    @oldfred @Geezanansa
    Thank you for your advices and links to material to read. I will look closer at that when I do have som free time.

    I have an Asus zenbook ux32a. First I installed the / on the ssd, but since I in the coming months I possible will install some quite large mathprograms so I decided to
    put the root on the big disk and when Ived installed what Ive needed then check if it would be enough space on the smaller SSD.

    This is what Ive done now (newbie making a big mess ).
    Ive reinstalled Ubuntu again! choosing erase disk and install ubuntu (that'll be on the large HDD) to see if the boot got less messy if I let ubuntu taking care of the installation for me.
    It still takes time booting, I get black screen, purple screen, black screen, black screen whit wthite flashes and then error messeges
    that goes something similar (they only show very quick so i havent been able to get them completly, tried to take a photo but it only got blurred)
    [11.454545] [drm: intel_dp_12c_aux_ch ] ERROR to_many_entries giving up.
    one more similiar row.

    Genereted a new URL (did not dare to run bootrepairs recommended repair cause Im afraid it will give me the grubmenu again)
    http://paste.ubuntu.com/6073862/

    Im going to keep it like this for a while now, unless you have som very easy to do tip, (Yes i know im not using the SSD), and look closer into understanding
    my computer and how to get it inte order (youre advices will not be in vain) when I have more time. (That'll be around christmas)

  5. #1395
    Join Date
    Feb 2011
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    256

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    Continually trying to reinstall Ubuntu is only adding extra boot entries and not helping things to get Ubuntu booting.
    What we could try to get you using your laptop as a computer and not a paperweight is:

    Swap drive locations - connect ssd as sda and sata drive as sdb
    Completely wipe both drives (This is after backing up anything that you wish to keep). Use the utility of your choosing gdisk or gparted from live session or recovery cd such as Parted Magic - using Parted Magic will mean gdisks and gparted are available to use without having to install them.
    Make sure firmware is booting sda.
    Install ubuntu root and boot to sda and home and swap to sdb.

    Be sure to assimilate oldfred's advice in his last post.
    Last edited by Geezanansa; September 7th, 2013 at 01:13 PM.
    The difference between knowledge and wisdom is knowing what to do or just doing it. I know nothing and get little done.

  6. #1396
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    Ubuntu 14.04 Trusty Tahr

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    I think it is an Ultrabook and the SSD is not really a separate drive. Some are just soldered on motherboard, others are part of hard drive.
    Ultrabooks also have video issues. They have both Intel and nVidia chips and Windows autoswitches. nVidia has not released a good driver for switched video. They recently released a new update that I think only works with the very newest kernel ( or 13.10) and only uses nVidia so it draws a lot of power.
    Some UEFI/BIOS have settings for one video or the other. Otherwise if dual video you need to look at bumblebee.

    nVidia Optimus and Ubuntu explained
    http://ubuntuforums.org/showthread.php?t=1657660
    Bumblebee:
    https://wiki.ubuntu.com/Bumblebee
    http://www.webupd8.org/2013/04/set-u...bumblebee.html


    Released 319.17 certified driver May 2013 only uses nVidia so power consumption high
    http://www.nvidia.com/object/linux-d...17-driver.html
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  7. #1397
    Join Date
    Sep 2013
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    1

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    Background:
    After a few previous attempts with Ubuntu and Xubuntu that didn't turn out the way I wanted, I reverted to a recent image of my SSD, then installed Xubuntu 13.04 in EFI mode alongside the existing UEFI Windows 8. Secure boot and CSM are disabled. Installer didn't detect Windows; I manually created partitions.

    Current situation:
    Windows boots by default. I can only boot into Xubuntu using my UEFI firmware's boot menu (it's listed as Ubuntu). GRUB doesn't show at all, not even after choosing Ubuntu (weird, since this was the case with the previous attempts). Also, for some reason after the install the Windows bootloader is now listed twice in the firmware's boot menu.

    Desired situation:
    I am greeted by a GRUB menu on boot. (preferred)
    -OR-
    GRUB appears before booting Xubuntu, so I can at least enter recovery mode or pass other kernel parameters when disaster strikes.

    Notes:
    In one of my previous install attempts I tried the boot-repair auto mode, ignoring the 'EFI detected, check the options' warning. This made GRUB appear on boot, even eliminating the possibility to boot straight in to Windows through the firmware boot menu (can this be prevented? It'd be nice to not be completely screwed if GRUB ever fails). There seemed to be way more boot entries than there should have been, though they did do their job.

    Boot-Repair diagnostic

    So, what options should I pick to get a 'smooth boot'?

  8. #1398
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    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    Most systems (but not all) should have with secure boot off, UEFI entries for Windows and ubuntu. From those entries you should be able to directly boot either system.

    Grub should add correct chain load entries but currently has a bug and it does not with UEFI. It still creates BIOS type entries that do not work. For some reason it did not even create those incorrect entries and with only one system Ubuntu in grub menu, you will not get menu by default when Ubuntu is set as default boot in UEFI.
    Boot-Repair should be able to add correct chain load entries in 25_custom or you can manually add in 40_custom as shown in bug report.

    Do not run the rename fuction unless you have one of the few systems that has a hard coded UEFI to only boots Windows. That is a work around to rename grub2's shim to make UEFI think it is booting Windows but really booting grub. But then you will not have two entries in UEFI, only Windows which actually boots grub.

    grub2's os-prober creates wrong style (BIOS) chain boot entry
    https://bugs.launchpad.net/ubuntu/+s...2/+bug/1024383
    type of entry from Boot-Repair that should work.
    menuentry "Windows UEFI bootmgfw.efi" {
    menuentry "Windows Boot UEFI loader" {
    Type of entry that does not work:
    'Windows ...) (on /dev/sdXY)'
    Some info in Post #3 on cleaning up menus, if desired.
    http://ubuntuforums.org/showthread.php?t=2085530
    Boot Repair -Also handles LVM, GPT, separate /boot and UEFI dual boot.:
    https://help.ubuntu.com/community/Boot-Repair
    os-prober fix in grub2_2.00-14 and os-prober_1.58 from Debian
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  9. #1399
    Join Date
    Aug 2013
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    8

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    Problem: I want to install Ubuntu 12.04 in a dual boot with my existing Windows XP (want to keep the XP until I have migrated everything to Ubuntu). When I try to install 12.04 it says "No Operating System found. Do you want to reformat the disk?" (or something like that). But I DO HAVE an OS!

    History: I tried to install Ubuntu 13.04 but after a few minutes it stopped and gave me an error. But it had installed the dual boot. I used Boot-Repair to remove it. When I went to PartitionMagic to set up my drive to install 12.04 it said Drive C (where XP is) was a "Bad Disk". But everything works under XP.

    Question: Does anyone know what is going on? I assume that it is a problem with the boot record but I do not want to "fix" it and then find I have lost everything on Drive C. I have EVERYTHING backed up but it would be a massive task to rebuild the system.

  10. #1400
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    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    I would run chkdsk on your XP install. I had no issues booting XP and then one day gparted would not show entire drive, XP was on one drive and Ubuntu on another. I ran chkdsk from Windows 7 repair flash drive and Windows even booted a bit quicker.
    While Windows 7's chkdsk worked better than XP's, I had to use the Windows 7 repair tools to restore the PBR - partition boot sector for XP as chkdsk converted it to Windows 7 to boot with bootmgr not XP's ntldr.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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