"The disk is offline because it has a signature collision with - Microsoft Community

How to Fix the Disk Signature Collision Problem in Windows

Windows 7 comes with a command line utility called diskpart that can let you view and change the disk signature.

1. Open a command prompt as administrator. To do this in Windows, click the Windows start menu (the round Windows icon on the left bottom corner), type "cmd" (without the quotes), right click the "cmd.exe" item that appears at the top of your menu, and click the line "Run as administrator". Do this even if you are already logged in as administrator, since on Windows 7, administrators run with reduced rights by default.
2. A black command prompt window will open. In Windows, the title bar of the window will tell you that you are running it as Administrator. If it does not, it means you did not do what I just said above. Return and follow the first step, or you will not be able to successfully carry out the rest of this tutorial.
3. Type "diskpart" (without the quotes) into the window. (Note: for this and the other commands described here, you'll have to hit the ENTER key after you finish typing your commands for them to take effect.)
4. Microsoft DiskPart will start. When it is ready, it will issue a "DISKPART>" prompt, allowing you to enter your commands.
5. Type "list disk" (without the quotes). This will list all the disks that are currently mounted (connected to the system). The disk will not have the usual names and labels that you're accustomed to from the Windows Explorer interface, so you will have to recognize them by their sizes.
   Note that "list disk" actually lists the physical disks, and not the partitions that you may have assigned drive letters. This means that if you have 2 physical disks, with 3 partitions on each, so that you have drives C:, D:, E:, F:, G: and H:, "list disk" will only show "Disk 0" and "Disk 1".
6. To view the signature of a disk, you must first select it. To select a disk, type "select disk x" (without the quotes) where x is the number of the disk from your "list disk" display. When you type (say) "select disk 1", DiskPart will respond by telling you "Disk 1 is now the selected disk".
   Now type "uniqueid disk" (again, without the quotes). DiskPart will respond with the disk's signature, a series of hexadecimal digits (or at least I think it's hexadecimal).
7. To change the signature to some other number, type "uniqueid disk ID=[NEW SIGNATURE]" (without the quotes) where "[NEW SIGNATURE]" stands for the new identifier you want for the disk (without the square brackets and without the quotes). However, before you do that, you may want to type "help uniqueid disk", which will give you more information on how the command works. You may also want to find out the disk signatures of your other disks on your system before you modify your current one so that you don't cause a new signature collision in trying to solve your current problem. In addition, if you're really not sure how many digits you should give your disk, perhaps try changing only one digit of the current signature (eg, increasing or decreasing it by 1). Remember my disclaimer above: I really don't know what I'm talking about here: do it at your own risk.
8. To quit DiskPart, type "exit". Incidentally, in case you get lost while running DiskPart, when you are at the "DISKPART>" prompt, you can type "help" to get a list of commands. Typing "help" followed by the command typically gives you more info about that command.
   Once you've quit DiskPart, type "exit" again to quit the Administrator 
   
   
   9. Disconnect the hard drive and plug back in

On Hacking MicroSD Cards « bunnie's blog

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Solved: Windows 10 unable to type anything anywhere issue.

Recently, Windows 10 stopped letting me type anything in Search, in Start Menu, Cortana. Even calc.exe would not let me type!

Here is my story and the (so called) fix.

After much work and not wanting to do a clean reinstall, I was able to narrow it down to ctfmon.exe not running... (ctfmon is also known as CTF Loader, btw.)

I know from other fresh and clean Windows 10 installs that ctfmon does not appear to be running, so I am still confused on the why it allows this computer system to type.

If I kill the ctfmon.exe task, via Task Manager, then immediately again I am unable to type in anything metro-related. The old control panel search still works. Explorer still works. Everything works, except for new these new fangled Windows 10 apps.

If I run ctfmon.exe (Hint: you can press Win+R to run ctfmon.exe, or navigate in explorer to c:\Windows\System32), then typing immediately starts working again.

I still don't know why it stopped working or even why this fix works, but it does work [on my machine]! (Windows 10 Pro version 1607, if that helps anyone)

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