日英键盘切换

命令行->regedit->HKEY_LOCAL_MACHINE->SYSTEM->CurrentControlSet->Services->i8042prt->parameters
修改下面几项：
1，"LayerDriver JPN"              KBD106.DLL -> KBD101.DLL
2，"OverrideKeyboardIdentifier"   PCAT_106KEY -> PCAT_101KEY
3，"OverrideKeyboardSubtype"      2 -> 0