There is a physical power switch, which is a hardware device, usually in the
back of the computer, and mounted on the power supply assembly. Your fingers
set this to on or off. If this is set to off, there is absolutely no power
supplied to the computer. The front power-on button will not be functional.
There is a logical powerswitch, which is activated by a direct command, or via
a front panel button (which offers a few seconds of delay). It is a toggle.
Press and hold for about 5 seconds, and your computer will shutdown, but power
is not fully off. Power is supplied to the network card, and some other chips
(time chip). This "soft power off" is available under program control.
The time chip or network card ability to restart power is programmable. If you
want your system to be off until you try to reach your system, then the network
card interface can allow that access to turn your computer on. If you want
your computer off until a preset time, you can set the timer to do so (some
systems it is done via a bios setting).
If the main power is on and the front button is inoperable, then there is a
defect: Check start/stop button, check the cable connection from button to the
mother board, check the connection of the chip on the mother board to the
power-supply, or if the powersupply itself is defective,
Regards
Leslie
Mr. Leslie Satenstein
SENT FROM MY OPEN SOURCE LINUX SYSTEM.
>________________________________
> From: Maciej Piechotka <[email protected]>
>To: Florian Müllner <[email protected]>
>Cc: Charles T. Smith <[email protected]>; desktop-devel-list
><[email protected]>
>Sent: Thursday, April 10, 2014 7:50 AM
>Subject: Re: Power switch to actually turn off my computer
>
>
>On Thu, 2014-04-10 at 14:46 +0200, Florian Müllner wrote:
>> On Thu, Apr 10, 2014 at 2:34 PM, Charles T. Smith
>> <[email protected]> wrote:
>> > Do you suppose that kde also manages the power switch internally?
>>
>> If by "manage the power switch internally" you mean "call out to
>> logind via DBus", then yes, I would KDE expect to do the same
>> eventually (provided that they do offer an option for handling the
>> power key).
>> If you are not using GNOME (or more specifically:
>> gnome-settings-daemon), you should be able to set the desired action
>> in /etc/systemd/logind.conf(5), via the HandlePowerKey action.
>> _______________________________________________
>> desktop-devel-list mailing list
>> [email protected]
>> https://mail.gnome.org/mailman/listinfo/desktop-devel-list
>
>
>Given the thread on SUSE forum[1] it's in the "KDE menu / Personnel
>Settings / Hardware Group / Power Management / Power Profiles". So does
>the XFCE[2] (I'm not sure if on OpenSUSE, but as general principle).
>
>[1]
>http://forums.opensuse.org/showthread.php/460238-openSUSE-11-4-wakeup-power-button-not-enabled
>
>[2] http://forum.xfce.org/viewtopic.php?id=6158
>
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