PDA

View Full Version : Proximity Sensor Light Off


ansonr
23rd July 2008, 10:32 PM
I have searched this forum for hours looking for a post which refers to turning off the proximity sensor lights on the hard buttons with no joy. I'm sure someone has asked about it but i cannot find any reference to it. Does anyone know how to do it? I'm sure it is a registry item but cannot find it. I would appreciate any help.

liamhere
23rd July 2008, 10:35 PM
i do hope someone is trying to fix this issue

ansonr
31st July 2008, 08:29 PM
I have experimented with changes to the Registry. There seem to be at least two Registry keys which affect the Key Lights. One is at

HKLM\Services\Keypad; it includes:

ActionDebounceTimeout
DisableGhostKeyDetect
DisableKeyLight
Dll

DisableKeyLight default is "0". When changed to "1" or "2", there is no effect on the KeyLight, but these changes interfere with the on/off switch operation.

If both DisableKeyLight and DisableGhostKeyDetect are set to "1" there is no effect on the KeyLight but interference with on/off switch.

ActionDebounceTimeout default is "100" any changes have no effect on the KeyLight but confuse the on/off switch.

If the Dll entry is changed to e.g. .xdll ALL buttons on the machine are disabled.

The second registry entry is at:

HKLM\Drivers\Builtin\KeyLight which includes:

Dll
Flags
IClass
Index
Order

Changes to Order have no effect on the KeyLight

Changing the Dll entry to .xdll TURNS OFF the KeyLights but ALL Brightness control is lost. Brightness is at Maximum and not changeable. Reset to .dll

Changing Index from "1" (default) to "0" TURNS OFF the KeyLights but ALL Brightness control is lost as above.

A Final try with HKLM\Drivers\Builtin\FrontLight yielded the following:

Changing the Dll entry to .xdll TURNS OFF the KeyLights but ALL Brightness control is again lost.

No other changes to \Frontlight\ appeared to have any effect.

I think there may be some entry or combination I have missed. Perhaps some other experimenter can find it. Since the KeyLights CAN be turned off, it may be that Brightness control can be restored in some way. Any help would be appreciated.

anson

ansonr
6th March 2009, 11:18 PM
Has anyone found a solution to this question?