[HKEY_LOCAL_MACHINE\Comm\AsyncMac1\Parms] Default value type and value are “DisablePowerManagement”=dword:1 Change to “DisablePowerManagement”=dword:0 [HKEY_LOCAL_MACHINE\Comm\Irsir1\Parms] Default value type and value are “DisablePowerManagement”=dword:1 Change to “DisablePowerManagement”=dword:0 [HKEY_LOCAL_MACHINE\Comm\PPTP1\Parms] Default value type and value are “DisablePowerManagement”=dword:1 Change to “DisablePowerManagement”=dword:0 [HKEY_LOCAL_MACHINE\Comm\L2TP1\Parms] Default value type and value are “DisablePowerManagement”=dword:1 Change to “DisablePowerManagement”=dword:0 After editing and changing the registry value, exit the registry editor. Wait for about 20 seconds and then switch off the PPC, and then switch on again. This step is important so that any registry modification will make permanent into the registry. Wait for a while again, and then soft reset (reboot) the PDA. Check if the registry settings have been changed correctly, and start using your Windows Mobile portable device to feel the significant power save which enhance the battery life longer.