Windows turns off displays but cant turn them back on

T400/410/420 and T500/510/520 series specific matters only
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kingweb
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Windows turns off displays but cant turn them back on

#1 Post by kingweb » Mon May 23, 2011 9:56 am

I have had this problem since day 1 with my T410 and docking station.
I use 2 external monitors thru the dock.
In the power settings, if I set the displays to be turned off after X amount of time, it works, however, when I come back to the computer to use it again, the displays don't come back on.
I have to put the computer in sleep and then awake in order to get the displays back on. Sometimes I have to do it a few times until the displays come back on.
However, when I wake the computer in this process, then login screen comes on, but once I log in the displays turn off again.

This problem has happened to me with both the Lenovo OEM windows 7 and my clean full version of windows 7.

Happens only when in the docking station with external monitors.

Any ideas?
George
---------------------------------
Z61t Core Duo 2.0 Ghz 2GB RAM, 80GB HDD, Vista Bus 32.
T61 14.1 T7700, 4GB RAM, 160GB HDD, Vista Bus 64
T400 T9600, 4GB RAM, 160GB HDD, Vista Bus 64

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