Windows Serial Mouse Disable Procedure

[Fred]

If you plug FreeEMS into a windows box without doing this, it will be detected as a serial mouse, and click/move wildly ad infinitum or until unplugged.

A youtube video of similar behaviour: http://www.youtube.com/watch?v=7IP4_yKdvLg

I believe this is the technique I used once to do the same thing:

Open registry, and find this:

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Location: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\sermouse
Key: Start
Value: 3

Then do this:

Change Value to 4, which is Disabled and it will stop this problem occurring.

Or use regedit:

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REG ADD "HKLM\SYSTEM\CurrentControlSet\Services\sermouse" /V Start /T REG_DWORD /F /D 4

Source: http://stackoverflow.com/questions/9226 ... rial-mouse

Fred.