Philips monitor sleep mode not working




I have a 17ins Philips LCD monitor model 170B4.
I use 'Display Properties' / 'Screen Saver' / 'Power' / to set the time
period to Turn Off Monitor to 10 Mins (or whatever). After 10 mins of
inactivity, the screen goes blank. The inset light in the On/Off button
changes from green to orange and the message box 'ATTENTION / ENTERING SLEEP
MODE' is displayed on the screen. So far so good. But after about 1 sec the
inset light changes back to green, and the message box 'ATTENTION / NO VIDEO
INPUT' is displayed on the screen, and the screen stays powered up.

What should happen is that the inset light should stay orange and the screen
should be powered off.

Not sure if this is a monitor / video card / BIOS problem. I have another
identical monitor which exhibits the same problem.

Running XP, SP2
Latest versions of drivers from Philips (
ATI Connect 3D Radeon 9600 128M with latest driver (

Any help appreciated.

TIA, Bob

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