Disable mouse:
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\mouclass]
"Start"=dword:00000004
" Type"=dword:00000010
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\mouhid]
"Start"=dword:00000004
" Type"=dword:00000010
Disable keyboard:
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\kbdclass]
"Start"=dword:00000004
"Type"=dword:00000010
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\kbdhid]
"Start"=dword:00000004
" Type"=dword:00000010
Enable mouse:
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\mouclass]
"Start"=dword:00000003
" Type"=dword:0000001
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\mouhid]
"Start"=dword:00000003
" Type"=dword:0000001
Enable keyboard:
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\kbdclass]
"Start"=dword:00000003
"Type"=dword:0000001
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\kbdhid]
"Start"=dword:00000003
" Type"=dword:0000001
Note: If you keyboard and mouse are disabled you can re-enable them using the following technique: http://betterteamblog.com/readwrite-offline-registry/
.