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Remote Wakeup via USB Device Doesn't Wake Monitor Options

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Neo

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May 23, 2008, 6:11:21 AM5/23/08
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Hi,

Can any one redirect me to any Knowledge Base for the same.

http://groups.google.co.in/group/microsoft.public.development.device.drivers/browse_thread/thread/33a19660fa2ff339/412401802f45f23d?hl=en&lnk=gst&q=monitor+wake+up#412401802f45f23d

My usb driver supports remote wake up. When I go into stand by mode,
and fore the remote wake up, the device come back up, but the monitor
stays in a suspended state. The only way to "wake up" the monitor is
to push a key on the keyboard?


It seems like windows (XP) is treating suspend like this:


1) Issue Suspend to Driver
2) Power off Monitor


---WAIT 4 REMOTE WAKEUP---


3) Remote wake up issued from microcontroller firmware
4) Driver receives event, and set's power back to D0.
5) Device in on, but monitor is in suspend state.


---PRESS KEY ON KEYBOARD---


6) Monitor wakes back up and displays desktop.

Thanks and Regards,
Neo

Doron Holan [MSFT]

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May 27, 2008, 6:50:53 PM5/27/08
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by design. the monitor only comes on if there is a user present.

d

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