Official MediCat USB - A Multiboot Linux USB for PC Repair

By Jayro, Feb 2, 2014 4,829,454 2,957 212

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  1. manjarillo

    manjarillo Newbie
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    help me, please..

    i add karspersky rescue disk 18 iso to antivirus folder in medicat (in NTFS and FAT32), but not boot, the error message is:
    !! could not find the root block device in
    !! please specify another value

    how to fix it?
     
    Last edited by manjarillo, Dec 3, 2020
    Abominator likes this.
  2. FaBMak

    FaBMak Newbie
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    It's a limitation of Kaspersk Rescue Disk, it won't boot from NTFS.
     
  3. Jayro

    OP Jayro MediCat USB and Malwarebytes Bootable Developer
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    I encourage people to customize MediCat to their liking, so I'm happy you made it look how you wanted. :)

    — Posts automatically merged - Please don't double post! —

    I didn't know this. I think I'll try MediCat Second Opinion on a FAT32 USB, and see if that solves the problematic CDs not booting up.
     
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  4. Bourricot

    Bourricot Newbie
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    Merci beaucoup pour la mise à jour.
    Je prendrai le temps de la regarder

    Question, j'ai tenté de la mettre à jour en faisant un vulgaire copié-collé des fichiers dans l'espoir de ne pas modifier ma configuration existante sur la clé.
    Bn je n'ai pas cherché plus mais ça n'a pas l'air de fonctionner.

    Vous confirmez qu'il faut tout réinstaller sur la clé, n'est-ce pas?

    Encore merci beaucoup d'exister ;-)
     
  5. Jayro

    OP Jayro MediCat USB and Malwarebytes Bootable Developer
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    Disable your antivirus and try again.
    -------------------------------------------------------------------------------------
    Désactivez votre antivirus et réessayez.
     
  6. neofita

    neofita Advanced Member
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    I added KRD of Medicat Second Opinion (v.18.0.11.0) to Medicat USB and it works well
     
    Last edited by neofita, Dec 3, 2020
  7. Jayro

    OP Jayro MediCat USB and Malwarebytes Bootable Developer
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    Was this via NTFS? My systems would both hang with a kernel panic in the same place. I am going to test it again via FAT32 and see if that works better.
     
  8. neofita

    neofita Advanced Member
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    Medicat USB is superbly made on NTFS, so yes, it was
     
  9. Jayro

    OP Jayro MediCat USB and Malwarebytes Bootable Developer
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    Okay.

    I tried all the problematic ISOs again with FAT32, with and without Memdisk to help, and nothing changed for me, so the Panda CDs, Trinity, and F-Secure discs will not be going onto it. They all hang and crash mid-boot, no matter the settings I use.
     
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  10. ernie2

    ernie2 Newbie
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    Hello! I am from Germany.I hope, You can understand my bad "English" I have 2 PCs with Win10 Pro 64 running. The first PC(No UEFI) has a 64 GB Stick with the new version of Medicat. Everything is ok! Now i made a second Medicat stick on the 2. PC(No UEFI) with ventoy2disk on a 125GB Stick. Everything ok but: Here I have only a " Ventoy2disk menue" and not the "Medicat menue" Thank You! Happy X-mas and stay healthy!
     
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  11. Jayro

    OP Jayro MediCat USB and Malwarebytes Bootable Developer
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    Your English is fine. Sounds like the 2nd stick didn't get everything transferred to it. You can always copy the files from the first stick to the second stick, and have them exactly the same. That should fix it.
     
  12. Abutestone

    Abutestone Newbie
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    Hello

    I created an external m2 nvme enclosure box following the directions but it does not boot can help thanks.

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    Hello.
    I created an external m2 nvme enclosure drive box following the directions but it does not boot.
    Any ideas ? Thanks.
     
  13. Jayro

    OP Jayro MediCat USB and Malwarebytes Bootable Developer
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    In the first picture of the instructions, you see where it says MBR? Well try GPT instead, and see if that works for you. Some UEFI only accept a GUID Partition Table, like many newer Macs do.
     
  14. ernie2

    ernie2 Newbie
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    I did it! Thanks!!
     
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  15. Jayro

    OP Jayro MediCat USB and Malwarebytes Bootable Developer
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    Glad it worked for you! Have a safe holiday. :grog:
     
  16. manjarillo

    manjarillo Newbie
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    karspersky rescue disk 18 iso downloaded from official website to antivirus folder in medicat USB 20.11 (in NTFS and FAT32), not boot...
    any solution please?

    EDIT: this KRD iso boot fine itself in my UEFI laptop, but not boot inside medicat.
     
    Last edited by manjarillo, Dec 6, 2020
  17. Jayro

    OP Jayro MediCat USB and Malwarebytes Bootable Developer
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    I would remake the USB with FAT32 and see if that helps. Also, make sure you boot this in BIOS mode (red menu) with Secure Boot off. Most of these discs haven't been updated by their makers in YEARS, and fail to support new hardware or even UEFI, which is sad.
     
    Last edited by Jayro, Dec 6, 2020
  18. Porkycheun

    Porkycheun Newbie
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    .
     
    Last edited by Porkycheun, Dec 7, 2020
  19. Porkycheun

    Porkycheun Newbie
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    .
     
    Last edited by Porkycheun, Dec 7, 2020
  20. Porkycheun

    Porkycheun Newbie
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    Sorry for the multiple posts... :blush:
     
    Last edited by Porkycheun, Dec 7, 2020
  21. Porkycheun

    Porkycheun Newbie
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    Hello, I tried to install Medicat on a USB device 32GB but when I used Ventoy, after the two "Yes" answers, there is an error message telling me the install failed and the USB device "disapeared" (I am conscious it was to erase the data but the only thing I can think of that created the error can be because I didn't desactivate the "real time scan" before doing the install, I didn't find where to go), now I am worried the USB device may be unusable... Any idea how to repair the damages? I must precise that the USB device is still detected but it doen't appear in the computer storage.
     
  22. asif_82

    asif_82 Newbie
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    Hi I am expereincing the same issue - access denied - when I try to boot, what do you mean use the key on the image? Would appreciate your help.

    — Posts automatically merged - Please don't double post! —

    Hi I am expereincing the same issue - access denied - when I try to boot, what do you mean use the key on the image? Would appreciate your help.
     
  23. ManufacturerSame1875

    ManufacturerSame1875 Newbie
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    Hello everybody,

    I wanted to ask whether it is possible to convert Medicat from a USB stick to an ICO so that it can be used on an IODD. The advantages of this would be that the IODD can be used as a DVD. The second would be that my colleagues are already used to the IODD devices.
     
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