Is the laptop dedicated to smartos as last purpose before death?
In that case open it and try to put a physical switch in the power line, if you 
have that kind of skills.
Best case: you can turn off the display at will
Worst case: you solder back the wires and it's back to the original state.

Olaf



Il 27 marzo 2018 07:50:22 CEST, Horse with no name <[email protected]> ha 
scritto:
>I understand, thank you for your quick response. I wish I had the
>skills or
>the $$ to support the project. Someday in the future for sure.
>
>Best regards
>lOhit
>
>On Mon, Mar 26, 2018 at 8:42 PM, Garrett D'Amore <[email protected]>
>wrote:
>
>> most laptops have special circuitry to control the display -
>sometimes
>> available via acpi. sometimes via other more esoteric means.
>unfortunately
>> illumos has very little support here - very often the details are
>> proprietary and only available under NDA. (I recall this was true for
>> Toshibas we added this support for nearly a decade ago.) You are
>probably
>> out of luck here. :/ If Linux can do it then there is at least a
>chance
>> someone could add it - but to be honest it’s probably not a priority.
>>
>> There are folks you can probably pay to develop this if information
>is
>> available - my own company for one - but I doubt its worth to you
>what
>> anyone qualified would charge you. :/
>>
>> On Mon, Mar 26, 2018 at 8:06 PM Horse with no name
><[email protected]>
>> wrote:
>>
>>> Greetings,
>>>
>>> I am running smartos [ joyent_20180315T080815Z ] on Lenovo T420,  I
>have
>>> a bunch of VMs running as well. Since head node and all the VMs are
>>> accessed over network, I have no need to keep the lid open.
>>>
>>> So I have been trying to figure out how to turn the LCD off when I
>close
>>> the lid. I read the man page for /etc/power.conf and pmconfig but to
>no
>>> avail. What am I missing?
>>>
>>> Apologies if this has been answered before, I am a noob.
>>>
>>> Thanks in advance.
>>> lOhit
>>>
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