Setting the “Power” to be the Only Key that can Turn on the MC90xx Running CE NET 4.2

Symptom

The MC90xx turns on upon any button or trigger press.

Facts

MC90xx running CE .NET 4.2

Root Cause

By default, any button or trigger press will cause the MC90xx to turn on.

Resolution

Create a registry entry and place it in the Application folder to make the settings persistent.

1. Copy the following into Notepad:

   • [HKEY_CURRENT_USER\ControlPanel\Devices\rcm1:]
     "APIWakeupFlag"=dword:00000000
     "TimeoutWakeupFlag"=dword:00000000
     "PowerKeyWakeupFlag"=dword:00000000
     [HKEY_CURRENT_USER\ControlPanel\Devices\kbd1:]
     "TimeoutWakeupFlag"=dword:00000000
     "APIWakeupFlag"=dword:00000000
     "PowerKeyWakeupFlag"=dword:00000000

2. Save this file as powerwake.reg.
3. Place “powerwake.reg” in the Application folder of the device.
4. Cold boot the MC90xx.