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Discuss MBR:0 issues after restore from time machine at the Installation - Hackint0sh.org; hi there peeps.... right then i downloaded and updated via zeps' amd updater the 10.5.7 ...
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    Newbie Array timski's Avatar

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    Smile MBR:0 issues after restore from time machine

    hi there peeps....

    right then i downloaded and updated via zeps' amd updater the 10.5.7 and did a back up on time-machine 1st as you do...
    then after updaing the with the amd updater rebooted all seemed well.. then ikkle kernel dumps kept on happening on apps i use alot..
    so i thought i know put in the IPC 10.5.6 PPF 5 (chamllion) final disk i have, and use the restore via time-machine... 4 hours later...
    arrr all back to before the install... then i removed the DVD and rebooted and i got MBR:0 error and could not load so i put the DVD back in and hurrah it worked again...

    now i have done a bit of reading and with the mass of information out there it seems that i need to correct the boot loader and install EFI again in order to correct my problem....

    can some on give me advise on the correct method as the information out there is a bit conflicting a nice walk through for a semi-noob on the terminal stuff

    thanks i just want to restore the image i have on the time machine thanks in advance

    tim
    :-)



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    Newbie Array timski's Avatar

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    Default

    ok then I sorted it.... took a few days and lots of attempts and lots and lots of searches but I got there in the end... (thank god!)and thought I would do a guide for anyone who needs to restore their computer to an earlier time using time machine.

    Here is the method to restore from time machine on OSX86

    1st you will need a blank USB key (drive) mac HFS+ or even FAT32 formatted..

    download the file (bootefi.zip) and unzip it to that disk (location) as you will need this later...
    get that from here RapidShare:

    1) Boot up with your favourite version of the boot OSX86 DVD you have go through the installer.

    2) Select Utilties then Disk utility and select your HDDthis should be the 1st thing on the list on the left hand side and then select partition this will show you the partition information. You need to know is this drive (Globally Unique Identifier) GUID or MBR (Memory Boot Record)it will be on the information there somewhere usually at the bottom of the window next to Partition Map Schemetake a note of this.

    3) Now select the next HDD down on the left hand window, this will have a name "Mac HDD" or whatever you called it. This is the Mac osx HDD click on erase and just a normal erase and exit disk utility. Then select Utilities then select Restore System From Back up.

    4) You will get a warning about erasing your system- yeah yeah we know.. click continue you will then have to select your time machine hard drive and click continue. You will now have to select a backup image date/time you want to restore to, then click continue, you then need to select the destination drive (your HDD) and click restore. you will be given a final warning that this will erase all your files select continue. This will now reformat your HDD and install the time machine file that you selected back to the HDD.

    5) After some time later might be an idea to make a cuppa and make a bite to eat, to keep ya going this can take some time depends on the size of your disk.

    6) Your System has been restored successfully select restart remove the dvd and reboot the computer. (if you can\'t get the DVD out try holding down F12 or do what I do take out the power supply and reconnect it and keep on pressing DVD open button on the CD/DVD drive it will open before it gets to the bios post.
    (here is where the fun starts)

    6) Right when you 1st boot you will see this:
    A flashing cursor and it will not boot or something like this
    Boot0:MBR
    Boot0:MBR
    Boot0:error
    Don\'t worry this is normal if you put in the DVD and boot it again it will just go straight to the restored file, but we need to FIX the boot and EFI so you will need that USB key that we did from earlier. Put that in the computer
    and reboot again. Boot the computer with the DVD again and the USB stick and select Utilities and then Terminal

    7) You will be presented with a window with something like -bash-3.2# (this is the prompt)

    ok then here goes....
    1st we need to get to the correct folder on the USB Stick
    Code:
    cd /Volumes/bootloader/bootefi

    I called my usb stick "bootloader" replace this to whatever you have called yours and hit enter.
    You will see this again
    -bash-3.2# to check that you are in the right place type
    Code:
    ls

    and hit enter and you should see this:

    -bash-3.2# ls
    Readme.txt bootefi.sh startupfiletool usr

    ok so we are in the right place.

    8) Right then we are going to run the script to patch the boot and EFI.
    from the -bash-3.2# type in
    Code:
    sh bootefi.sh Hackint0sh

    repalce "Hackint0sh" with the name of your Hard Drive and remember any case sensitive characters you have used. Once you have done that hit enter and you will get a few questions to answer. The 1st is about installing EFI Type in Y 2nd is asking you are your sure Y 3rd is about boot partitions (MBR or GUID) select M for MBR and G for GUID 4th is about rebooting Y.....you need to be Quick on this just Type Yyou will have a few seconds to answer each one thats all. When it its finished it says rebooting but nothing happens...

    Type exit and enter you will see this -bash-3.2# [Process completed]
    exit terminal window
    and quit the installer and remove the DVD and reboot. Your computer should now reboot correctly and have restored to your time machine back up image that you selected earlier...

    ENJOY
    Last edited by timski; 05-18-2009 at 07:22 PM.

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    Default There is an easier way!!

    OK, so I tried the bootefi method about 10 times. The problem I had with both fat32 AND macos formatted usb drives was some kind of permissions problem. The start up DVD would NOT see the bootefi files. Directory yes, files no.

    So I was frustrated, I had a time machine backup right? So I said "what the heck..."

    I actually used the installer on the iPC dvd to install but I turned everything off. even the base system, and instaled only one of the EFI bootloaders.

    I installed onto my already restored volume with only the bootloader selected.

    It took about 2 minutes and I rebooted back into my restored drive.

    I hope it works for others like it did me!

 

 

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